KENNETT SQUARE BORO WWTP
NPDES ID: PA0024058
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 8 effluent violations, 4 reporting violations.
Violations
April 30, 2026
Coliform, fecal general
30% over limit
Discharged 1299.7 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
99% over limit
Discharged 83.1455593 kg/d against a permitted limit of 41.67719965 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
66% over limit
Discharged 41.33215965 kg/d against a permitted limit of 24.96999979 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
66% over limit
Discharged 9.03005992 kg/d against a permitted limit of 5.44799995 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
63% over limit
Discharged 32.57 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
172% over limit
Discharged 3.54 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
170% over limit
Discharged 16.19 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
226% over limit
Discharged 32.57 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Static 7Day Chronic Pimephales Promelas
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
51% over limit
Discharged 15.08 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
2% over limit
Discharged 42.62151964 kg/d against a permitted limit of 41.67719965 kg/d (MO AVG)
DMR, Limited - Numeric Violation
TU Static 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
February 28, 2026
Nitrogen, total [as N]
23% over limit
Discharged 12.27 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Ultraviolet light intensity
0% over limit
Discharged 0 uW/cm2 against a permitted limit of 0 uW/cm2 (MO AVG)
DMR, Monitor Only - Overdue
January 31, 2026
Phosphorus, total [as P]
41% over limit
Discharged 2.82 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
130% over limit
Discharged 0.055 mg/L against a permitted limit of 0.0239 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
29% over limit
Discharged 0.128936 kg/d against a permitted limit of 0.09988 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
103% over limit
Discharged 0.128936 kg/d against a permitted limit of 0.06356 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
61% over limit
Discharged 16.14 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
259% over limit
Discharged 0.055 mg/L against a permitted limit of 0.0153 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
35% over limit
Discharged 8.07 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
38% over limit
Discharged 0.74909999 kg/d against a permitted limit of 0.5448 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
144% over limit
Discharged 0.319 mg/L against a permitted limit of 0.131 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
56% over limit
Discharged 0.319 mg/L against a permitted limit of 0.204 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Copper, total [as Cu]
112% over limit
Discharged 0.0325 mg/L against a permitted limit of 0.0153 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
48% over limit
Discharged 14.85 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
21% over limit
Discharged 0.07718 kg/d against a permitted limit of 0.06356 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Iron, dissolved [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
36% over limit
Discharged 0.0325 mg/L against a permitted limit of 0.0239 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Zinc, total [as Zn]
27% over limit
Discharged 1.08051999 kg/d against a permitted limit of 0.84897999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
111% over limit
Discharged 0.277 mg/L against a permitted limit of 0.131 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
8% over limit
Discharged 0.5902 kg/d against a permitted limit of 0.5448 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Ultraviolet light intensity
0% over limit
Discharged 0 uW/cm2 against a permitted limit of 0 uW/cm2 (MO AVG)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
145% over limit
Discharged 0.5 mg/L against a permitted limit of 0.204 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, total [as N]
76% over limit
Discharged 73.38909938 kg/d against a permitted limit of 41.67719965 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
4612% over limit
Discharged 1413.56 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
86% over limit
Discharged 37.16 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
370% over limit
Discharged 940.8 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Solids, total suspended
1393% over limit
Discharged 2792.14991654 kg/d against a permitted limit of 187.04799843 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Ultraviolet light intensity
0% over limit
Discharged 0 uW/cm2 against a permitted limit of 0 uW/cm2 (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
2136% over limit
Discharged 2792.14991654 kg/d against a permitted limit of 124.84999895 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
6767% over limit
Discharged 68670 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
272% over limit
Discharged 37.16 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
3041% over limit
Discharged 1413.56 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Ultraviolet light intensity
0% over limit
Discharged 0 uW/cm2 against a permitted limit of 0 uW/cm2 (MO AVG)
DMR, Monitor Only - Overdue
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
TU Static 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
152% over limit
Discharged 25.25 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
26% over limit
Discharged 25.25 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Static 7Day Chronic Pimephales Promelas
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
23% over limit
Discharged 51.09315957 kg/d against a permitted limit of 41.67719965 kg/d (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Ultraviolet light intensity
0% over limit
Discharged 0 uW/cm2 against a permitted limit of 0 uW/cm2 (MO AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
199% over limit
Discharged 2991 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
15% over limit
Discharged 1.5 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Ultraviolet light intensity
0% over limit
Discharged 0 uW/cm2 against a permitted limit of 0 uW/cm2 (MO AVG)
DMR, Monitor Only - Overdue
June 30, 2025
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MO AVG)
DMR, Monitor Only - Overdue
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Oxygen, dissolved [DO]
10% over limit
Discharged 5.4 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Ultraviolet light intensity
0% over limit
Discharged 0 uW/cm2 against a permitted limit of 0 uW/cm2 (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
135% over limit
Discharged 3.06 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
30% over limit
Discharged 7.06423994 kg/d against a permitted limit of 5.44799995 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
TU Static 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Static 7Day Chronic Pimephales Promelas
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
May 31, 2025
E. coli
0% over limit
Discharged 2419.6 MPN/100mL against a permitted limit of 0 MPN/100mL (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 500.3079958 kg/d against a permitted limit of 0 kg/d (WKLY AVG)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.039 mg/L against a permitted limit of 0.204 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.03178 kg/d against a permitted limit of 0.09988 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 5.68 mg/L against a permitted limit of 25 mg/L (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 12.88451989 kg/d against a permitted limit of 187.04799843 kg/d (WKLY AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
31% over limit
Discharged 4.12 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
31% over limit
Discharged 4.12 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
0% over limit
Discharged 0.0145 mg/L against a permitted limit of 0.0153 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 6.72 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 178 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.89 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 823.55599308 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 12.3760399 kg/d against a permitted limit of 103.51199913 kg/d (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 892.5639925 kg/d against a permitted limit of 0 kg/d (WKLY AVG)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.03178 kg/d against a permitted limit of 0.06356 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 434 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 294 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.14 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 6.72 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 434 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.46762 kg/d against a permitted limit of 8.17199993 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 294 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.08626 kg/d against a permitted limit of 0.5448 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 12.3760399 kg/d against a permitted limit of 69.00799942 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 892.5639925 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
75% over limit
Discharged 2.28 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
75% over limit
Discharged 2.28 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Ultraviolet light intensity
0% over limit
Discharged 0 uW/cm2 against a permitted limit of 0 uW/cm2 (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 14.64603988 kg/d against a permitted limit of 41.67719965 kg/d (MO AVG)
DMR, Limited - Overdue
Phenolics, total recoverable
0% over limit
Discharged 0.002 mg/L against a permitted limit of 0.023 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.82137 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.22 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 5.68 mg/L against a permitted limit of 17 mg/L (MO AVG)
DMR, Limited - Overdue
Phenolics, total recoverable
0% over limit
Discharged 0.00454 kg/d against a permitted limit of 0.09534 kg/d (MO AVG)
DMR, Limited - Overdue
Phenolics, total recoverable
0% over limit
Discharged 0.002 mg/L against a permitted limit of 0.046 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 500.3079958 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 12.88451989 kg/d against a permitted limit of 124.84999895 kg/d (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 4.97129996 kg/d against a permitted limit of 5.44799995 kg/d (MO AVG)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.0145 mg/L against a permitted limit of 0.0239 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.039 mg/L against a permitted limit of 0.131 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 5.91 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.57567 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 5.91 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 648.8 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 83.69 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 823.55599308 kg/d against a permitted limit of 0 kg/d (WKLY AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 178 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0.0002 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Phenolics, total recoverable
0% over limit
Discharged 0.00454 kg/d against a permitted limit of 0.19068 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.08626 kg/d against a permitted limit of 0.84897999 kg/d (DAILY MX)
DMR, Limited - Overdue
April 30, 2025
Ultraviolet light intensity
0% over limit
Discharged 0 uW/cm2 against a permitted limit of 0 uW/cm2 (MO AVG)
DMR, Monitor Only - Overdue
March 31, 2025
Nitrogen, total [as N]
31% over limit
Discharged 26.18 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
65% over limit
Discharged 9.88 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
18% over limit
Discharged 49.15003959 kg/d against a permitted limit of 41.67719965 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
162% over limit
Discharged 26.18 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
TU Static 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Coliform, fecal general
2320% over limit
Discharged 24196 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Ultraviolet light intensity
0% over limit
Discharged 0 uW/cm2 against a permitted limit of 0 uW/cm2 (MO AVG)
DMR, Monitor Only - Overdue
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
18% over limit
Discharged 0.018 mg/L against a permitted limit of 0.0153 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Static 7Day Chronic Pimephales Promelas
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
February 28, 2025
Ultraviolet light intensity
0% over limit
Discharged 0 uW/cm2 against a permitted limit of 0 uW/cm2 (MO AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
1466% over limit
Discharged 3132 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
413% over limit
Discharged 30.75 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
81% over limit
Discharged 75.46387937 kg/d against a permitted limit of 41.67719965 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
93% over limit
Discharged 38.6 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
141% over limit
Discharged 60.11867949 kg/d against a permitted limit of 24.96999979 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
14036% over limit
Discharged 141360 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
44% over limit
Discharged 0.022 mg/L against a permitted limit of 0.0153 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
286% over limit
Discharged 38.6 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, total [as N]
110% over limit
Discharged 41.9 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
41% over limit
Discharged 1413.6 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
33% over limit
Discharged 8 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
84% over limit
Discharged 367 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
122% over limit
Discharged 22.2 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
12% over limit
Discharged 1119.9 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
TU Static 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (ANNL AVG)
DMR, Monitor Only - Overdue
Iron, dissolved [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
November 30, 2024
Coliform, fecal general
549% over limit
Discharged 6488 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
October 31, 2024
Coliform, fecal general
99% over limit
Discharged 1986.3 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
September 30, 2024
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
62% over limit
Discharged 2.1 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Static 7Day Chronic Pimephales Promelas
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Coliform, fecal general
73% over limit
Discharged 1732.9 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
TU Static 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
August 31, 2024
Phosphorus, total [as P]
0% over limit
Discharged 0.7 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.623 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 316 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 14 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Phenolics, total recoverable
0% over limit
Discharged 0.00908 kg/d against a permitted limit of 0.09534 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 765.44399357 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 535.7199955 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.041 mg/L against a permitted limit of 0.204 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.227 kg/d against a permitted limit of 8.17199993 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 1207.18598986 kg/d against a permitted limit of 0 kg/d (WKLY AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 237 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.03632 kg/d against a permitted limit of 0.09988 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 374 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 4 mg/L against a permitted limit of 17 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 32 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.54 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0.0002 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Ultraviolet light intensity
0% over limit
Discharged 0.19420001 uW/cm2 against a permitted limit of 0 uW/cm2 (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 1 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 9.53399992 kg/d against a permitted limit of 69.00799942 kg/d (MO AVG)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.0239 mg/L (DAILY MX)
DMR, Limited - Overdue
Phenolics, total recoverable
0% over limit
Discharged 0.004 mg/L against a permitted limit of 0.023 mg/L (MO AVG)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.008 mg/L against a permitted limit of 0.0153 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 339 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 219 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.0227 kg/d against a permitted limit of 0.06356 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 820.8319931 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.04 mg/L against a permitted limit of 0.131 mg/L (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
392% over limit
Discharged 985 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Overdue
Coliform, fecal general
392% over limit
Discharged 985 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
0% over limit
Discharged 8.08 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 1291.17598915 kg/d against a permitted limit of 0 kg/d (WKLY AVG)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 1.40739999 kg/d against a permitted limit of 41.67719965 kg/d (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
2513% over limit
Discharged 26130 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Overdue
Coliform, fecal general
2513% over limit
Discharged 26130 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 1.459 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 1467 MPN/100mL against a permitted limit of 0 MPN/100mL (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 336 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Phenolics, total recoverable
0% over limit
Discharged 0.00908 kg/d against a permitted limit of 0.19068 kg/d (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 30.87199974 kg/d against a permitted limit of 124.84999895 kg/d (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.23 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0.5 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Overdue
Phenolics, total recoverable
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.046 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 69.00799942 kg/d against a permitted limit of 187.04799843 kg/d (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.1 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 861.69199276 kg/d against a permitted limit of 0 kg/d (WKLY AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 4 mg/L against a permitted limit of 25 mg/L (WKLY AVG)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.1362 kg/d against a permitted limit of 0.84897999 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.1362 kg/d against a permitted limit of 0.5448 kg/d (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 1.36199999 kg/d against a permitted limit of 5.44799995 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 15.88999987 kg/d against a permitted limit of 103.51199913 kg/d (WKLY AVG)
DMR, Limited - Overdue
July 31, 2024
pH
0% over limit
Discharged 9.04 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
69% over limit
Discharged 2.2 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)