STAR CITY, CITY OF - WASTEWATER TREATMENT FACILITY
NPDES ID: AR0046477
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: 5 effluent violations.
Violations
May 31, 2026
Solids, total suspended
40% over limit
Discharged 31.5 mg/L against a permitted limit of 22.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
10% over limit
Discharged 16.5 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
135% over limit
Discharged 49.98085958 kg/d against a permitted limit of 21.29259982 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, carbonaceous [5 day, 20 C]
188% over limit
Discharged 40.85999966 kg/d against a permitted limit of 14.21019988 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
44% over limit
Discharged 16.39847986 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
6% over limit
Discharged 1055 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
11% over limit
Discharged 11.1 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
67% over limit
Discharged 35.5027997 kg/d against a permitted limit of 21.29259982 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
35% over limit
Discharged 20.2 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
29% over limit
Discharged 27.51239977 kg/d against a permitted limit of 21.29259982 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
22% over limit
Discharged 25.87799978 kg/d against a permitted limit of 21.29259982 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
December 31, 2025
BOD, carbonaceous [5 day, 20 C]
15% over limit
Discharged 11.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
8% over limit
Discharged 5.51 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Numeric Violation
November 30, 2025
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total suspended
143% over limit
Discharged 51.81955956 kg/d against a permitted limit of 21.29259982 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Solids, total suspended
113% over limit
Discharged 32 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
193% over limit
Discharged 41.67719965 kg/d against a permitted limit of 14.21019988 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
186% over limit
Discharged 42.9 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
16% over limit
Discharged 4.19 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
78% over limit
Discharged 40 mg/L against a permitted limit of 22.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
226% over limit
Discharged 19.9 mg/L against a permitted limit of 6.1 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
252% over limit
Discharged 17.6 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
290% over limit
Discharged 27.64859977 kg/d against a permitted limit of 7.08239994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
207% over limit
Discharged 30.7 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
24% over limit
Discharged 28 mg/L against a permitted limit of 22.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
142% over limit
Discharged 2420 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
647% over limit
Discharged 112 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
293% over limit
Discharged 24 mg/L against a permitted limit of 6.1 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
528% over limit
Discharged 62.8 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
34% over limit
Discharged 3.31 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
85% over limit
Discharged 26.33199978 kg/d against a permitted limit of 14.21019988 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
21% over limit
Discharged 2420 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
210% over limit
Discharged 15.51 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
50% over limit
Discharged 22.5 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
BOD, carbonaceous [5 day, 20 C]
25% over limit
Discharged 12.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
25% over limit
Discharged 6.24 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
177% over limit
Discharged 39.31639967 kg/d against a permitted limit of 14.21019988 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
105% over limit
Discharged 43.74289963 kg/d against a permitted limit of 21.29259982 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
7% over limit
Discharged 1066 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
217% over limit
Discharged 22.47299981 kg/d against a permitted limit of 7.08239994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
4% over limit
Discharged 23.4 mg/L against a permitted limit of 22.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
27% over limit
Discharged 7.74 mg/L against a permitted limit of 6.1 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
32% over limit
Discharged 19.8 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
0% over limit
Discharged 1.05327999 kg/d against a permitted limit of 21.29259982 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.41314 kg/d against a permitted limit of 7.08239994 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 1.5 mg/L against a permitted limit of 22.5 mg/L (7 DA AVG)
DMR, Limited - Overdue
Overflow volume [SS0 volume, CSO volume]
0% over limit
Discharged 0 gal against a permitted limit of 0 gal (MO TOTAL)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2 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 1.64347999 kg/d against a permitted limit of 14.21019988 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.5 mg/L against a permitted limit of 6.1 mg/L (7 DA AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.66 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.5 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.86 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 1.25 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 9 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 7.22 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 16 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.32 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.9 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO TOTAL)
DMR, Monitor Only - Overdue
April 30, 2025
Coliform, fecal general
0% over limit
Discharged 3 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 2 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 8.69 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.2497 kg/d against a permitted limit of 8.67139993 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 1.00333999 kg/d against a permitted limit of 14.21019988 kg/d (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 3.01 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 2.40619998 kg/d against a permitted limit of 21.29259982 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 4.5 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.97 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Overflow volume [SS0 volume, CSO volume]
0% over limit
Discharged 0 gal against a permitted limit of 0 gal (MO TOTAL)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.34 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.5 mg/L against a permitted limit of 6.1 mg/L (MO AVG)
DMR, Limited - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO TOTAL)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 5.5 mg/L against a permitted limit of 22.5 mg/L (7 DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.5 mg/L against a permitted limit of 6.1 mg/L (7 DA AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.33 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Overdue
February 28, 2025
Coliform, fecal general
0% over limit
Discharged 110 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.35 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.5 mg/L against a permitted limit of 8 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 10.25 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 2.63 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 8.87 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.81 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO TOTAL)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
13% over limit
Discharged 16.04889987 kg/d against a permitted limit of 14.21019988 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
13% over limit
Discharged 16.04889987 kg/d against a permitted limit of 14.21019988 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
0% over limit
Discharged 50 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 2.72399998 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
251% over limit
Discharged 74.72839937 kg/d against a permitted limit of 21.29259982 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
251% over limit
Discharged 74.72839937 kg/d against a permitted limit of 21.29259982 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Overflow volume [SS0 volume, CSO volume]
0% over limit
Discharged 0 gal against a permitted limit of 0 gal (MO TOTAL)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.5 mg/L against a permitted limit of 12 mg/L (7 DA AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.19 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 14.5 mg/L against a permitted limit of 22.5 mg/L (7 DA AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2.74 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 3.02 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Overdue
October 31, 2024
Nitrogen, ammonia total [as N]
7% over limit
Discharged 6.55 mg/L against a permitted limit of 6.1 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, ammonia total [as N]
332% over limit
Discharged 21.6 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
369% over limit
Discharged 28.6 mg/L against a permitted limit of 6.1 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
15% over limit
Discharged 1154 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
114% over limit
Discharged 15.16359987 kg/d against a permitted limit of 7.08239994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
August 31, 2024
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
158% over limit
Discharged 12.9 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
26% over limit
Discharged 8.95287992 kg/d against a permitted limit of 7.08239994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
280% over limit
Discharged 23.2 mg/L against a permitted limit of 6.1 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (12 hours ago)