CHARLTON W W T P
NPDES ID: MAG580039
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: 16 effluent violations, 23 reporting violations.
Violations
May 31, 2026
E. coli
492% over limit
Discharged 2420 MPN/100mL against a permitted limit of 409 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 11.4 SU against a permitted limit of 8.3 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
136% over limit
Discharged 0.26 mg/L against a permitted limit of 0.11 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
44% over limit
Discharged 26 mg/L against a permitted limit of 18 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
749% over limit
Discharged 1070 MPN/100mL against a permitted limit of 126 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, 5-day, 20 deg. C
21% over limit
Discharged 21.8 mg/L against a permitted limit of 18 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
179% over limit
Discharged 39 mg/L against a permitted limit of 14 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 624 MPN/100mL against a permitted limit of 126 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
1009% over limit
Discharged 1.22 mg/L against a permitted limit of 0.11 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
14% over limit
Discharged 0.022 mg/L against a permitted limit of 0.0193 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.4 SU against a permitted limit of 8.3 SU (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 409 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.1 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
308% over limit
Discharged 73.4 mg/L against a permitted limit of 18 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
159% over limit
Discharged 78.81439934 kg/d against a permitted limit of 30.41799974 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
75% over limit
Discharged 41.99499965 kg/d against a permitted limit of 24.0619998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Hardness, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 0 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Hardness, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
LC50 Static 48Hr Acute Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 100 % (MO AV MN)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Carbon, dissolved organic [as C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (MAXIMUM)
DMR, Monitor Only - Overdue
Carbon, tot organic [TOC]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Carbon, tot organic [TOC]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
NOEC Static Renewal 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 93 % (MO AV MN)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
February 28, 2026
Copper, total [as Cu]
40% over limit
Discharged 0.027 mg/L against a permitted limit of 0.0193 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
17% over limit
Discharged 0.032 mg/L against a permitted limit of 0.0274 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
174% over limit
Discharged 57.6 mg/L against a permitted limit of 21 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
38% over limit
Discharged 50.16699958 kg/d against a permitted limit of 36.31999969 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
170% over limit
Discharged 147.09599876 kg/d against a permitted limit of 54.47999954 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
434% over limit
Discharged 171 mg/L against a permitted limit of 32 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
77% over limit
Discharged 73.4 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, suspended percent removal
19% over limit
Discharged 82.2 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
123% over limit
Discharged 0.043 mg/L against a permitted limit of 0.0193 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
108% over limit
Discharged 0.057 mg/L against a permitted limit of 0.0274 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Carbon, tot organic [TOC]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Hardness, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Carbon, tot organic [TOC]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Carbon, dissolved organic [as C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
NOEC Static Renewal 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 93 % (MO AV MN)
DMR, Limited - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (MAXIMUM)
DMR, Monitor Only - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
LC50 Static 48Hr Acute Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 100 % (MO AV MN)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Hardness, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 0 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanesulfonic acid (PFOS)
0% over limit
Discharged 0.000004 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorodecanoic acid (PFDA)
0% over limit
Discharged 0.000004 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 0.000004 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorohexanesulfonic acid (PFHxS)
0% over limit
Discharged 0.000004 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorodecanoic acid (PFDA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorodecanoic acid (PFDA)
0% over limit
Discharged 0.00000185 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorohexanesulfonic acid (PFHxS)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluoroheptanoic acid (PFHpA)
0% over limit
Discharged 0.00000348 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 0.0000049 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
16% over limit
Discharged 62.92439947 kg/d against a permitted limit of 54.47999954 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
4% over limit
Discharged 0.02 mg/L against a permitted limit of 0.0193 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Perfluorohexanesulfonic acid (PFHxS)
0% over limit
Discharged 0.00000185 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
68% over limit
Discharged 53.8 mg/L against a permitted limit of 32 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Perfluorononanoic acid (PFNA)
0% over limit
Discharged 0.00000185 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
24% over limit
Discharged 26 mg/L against a permitted limit of 21 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Perfluorononanoic acid (PFNA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluoroheptanoic acid (PFHpA)
0% over limit
Discharged 0.000004 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanesulfonic acid (PFOS)
0% over limit
Discharged 0.00000286 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanesulfonic acid (PFOS)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorononanoic acid (PFNA)
0% over limit
Discharged 0.000004 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluoroheptanoic acid (PFHpA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
November 30, 2025
Solids, total suspended
14% over limit
Discharged 36.5 mg/L against a permitted limit of 32 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
290% over limit
Discharged 5.46 mg/L against a permitted limit of 1.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
492% over limit
Discharged 2420 MPN/100mL against a permitted limit of 409 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
253% over limit
Discharged 445 MPN/100mL against a permitted limit of 126 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Hardness, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Carbon, dissolved organic [as C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorohexanesulfonic acid (PFHxS)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 0 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanesulfonic acid (PFOS)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorodecanoic acid (PFDA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorononanoic acid (PFNA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
LC50 Static 48Hr Acute Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 100 % (MO AV MN)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluoroheptanoic acid (PFHpA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanesulfonic acid (PFOS)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluoroheptanoic acid (PFHpA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
NOEC Static Renewal 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 93 % (MO AV MN)
DMR, Limited - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Carbon, tot organic [TOC]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluoroheptanoic acid (PFHpA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (MAXIMUM)
DMR, Monitor Only - Overdue
Perfluorodecanoic acid (PFDA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorononanoic acid (PFNA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorononanoic acid (PFNA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Carbon, tot organic [TOC]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorohexanesulfonic acid (PFHxS)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Hardness, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanesulfonic acid (PFOS)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorodecanoic acid (PFDA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorohexanesulfonic acid (PFHxS)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
E. coli
194% over limit
Discharged 1203 MPN/100mL against a permitted limit of 409 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
40% over limit
Discharged 25.2 mg/L against a permitted limit of 18 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
334% over limit
Discharged 547 MPN/100mL against a permitted limit of 126 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
759% over limit
Discharged 12.03 mg/L against a permitted limit of 1.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
1104% over limit
Discharged 16.85 mg/L against a permitted limit of 1.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
567% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
567% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
July 31, 2025
E. coli
34% over limit
Discharged 169 MPN/100mL against a permitted limit of 126 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
E. coli
492% over limit
Discharged 2420 MPN/100mL against a permitted limit of 409 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
LC50 Static 48Hr Acute Ceriodaphnia dubia
85% over limit
Discharged 15.31 % against a permitted limit of 100 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
11% over limit
Discharged 15.5 mg/L against a permitted limit of 14 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
39% over limit
Discharged 25 mg/L against a permitted limit of 18 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
NOEC Static Renewal 7Day Chronic Ceriodaphnia dubia
89% over limit
Discharged 10 % against a permitted limit of 93 % (MO AV MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
661% over limit
Discharged 10.65 mg/L against a permitted limit of 1.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
E. coli
492% over limit
Discharged 2420 MPN/100mL against a permitted limit of 409 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
101% over limit
Discharged 61.10839949 kg/d against a permitted limit of 30.41799974 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 10 SU against a permitted limit of 8.3 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
8% over limit
Discharged 19.4 mg/L against a permitted limit of 18 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
21% over limit
Discharged 29.10139976 kg/d against a permitted limit of 24.0619998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
141% over limit
Discharged 3.37 mg/L against a permitted limit of 1.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
17% over limit
Discharged 148 MPN/100mL against a permitted limit of 126 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
5% over limit
Discharged 31.82539973 kg/d against a permitted limit of 30.41799974 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
April 30, 2025
E. coli
324% over limit
Discharged 1733 MPN/100mL against a permitted limit of 409 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 0.00000493 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorohexanesulfonic acid (PFHxS)
0% over limit
Discharged 0.00000178 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorohexanesulfonic acid (PFHxS)
0% over limit
Discharged 0.00000207 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorodecanoic acid (PFDA)
0% over limit
Discharged 0.00000178 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluoroheptanoic acid (PFHpA)
0% over limit
Discharged 0.00000207 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorodecanoic acid (PFDA)
0% over limit
Discharged 0.00000207 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 0.00000382 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluoroheptanoic acid (PFHpA)
0% over limit
Discharged 0.00000187 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
27% over limit
Discharged 5.45 mg/L against a permitted limit of 4.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Perfluorohexanesulfonic acid (PFHxS)
0% over limit
Discharged 2e-8 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorononanoic acid (PFNA)
0% over limit
Discharged 2e-8 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorononanoic acid (PFNA)
0% over limit
Discharged 0.00000207 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorononanoic acid (PFNA)
0% over limit
Discharged 0.00000178 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanesulfonic acid (PFOS)
0% over limit
Discharged 0.00000207 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanesulfonic acid (PFOS)
0% over limit
Discharged 2e-8 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluoroheptanoic acid (PFHpA)
0% over limit
Discharged 2e-8 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorodecanoic acid (PFDA)
0% over limit
Discharged 2e-8 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanesulfonic acid (PFOS)
0% over limit
Discharged 0.00000193 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 2e-8 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
November 30, 2024
Nitrogen, ammonia total [as N]
44% over limit
Discharged 6.18 mg/L against a permitted limit of 4.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0003 mg/L (MO AVG)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0022 mg/L (DAILY MX)
DMR, Limited - Overdue
October 31, 2024
E. coli
39% over limit
Discharged 175 MPN/100mL against a permitted limit of 126 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
704% over limit
Discharged 11.26 mg/L against a permitted limit of 1.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
218% over limit
Discharged 1300 MPN/100mL against a permitted limit of 409 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, ammonia total [as N]
22% over limit
Discharged 1.71 mg/L against a permitted limit of 1.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli
156% over limit
Discharged 1046 MPN/100mL against a permitted limit of 409 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
9% over limit
Discharged 0.12 mg/L against a permitted limit of 0.11 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2024
E. coli
88% over limit
Discharged 770 MPN/100mL against a permitted limit of 409 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
73% over limit
Discharged 0.19 mg/L against a permitted limit of 0.11 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)