PERRYVILLE, CITY OF
NPDES ID: AR0020125
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: 13 effluent violations, 1 compliance schedule violation.
Violations
June 30, 2026
Solids, total suspended
7% over limit
Discharged 9.12539992 kg/d against a permitted limit of 8.53519993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Oxygen, dissolved [DO]
29% over limit
Discharged 3.54 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Coliform, fecal general
459% over limit
Discharged 1117.1 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
10% over limit
Discharged 3.13259997 kg/d against a permitted limit of 2.86019998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
48% over limit
Discharged 7.4 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
43% over limit
Discharged 21.5 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
87% over limit
Discharged 14 mg/L against a permitted limit of 7.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
56% over limit
Discharged 35 mg/L against a permitted limit of 22.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2400 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
12% over limit
Discharged 9.62479992 kg/d against a permitted limit of 8.62599993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
87% over limit
Discharged 43 mg/L against a permitted limit of 23 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 9.17079992 kg/d against a permitted limit of 8.53519993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
51% over limit
Discharged 22.7 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Oxygen, dissolved [DO]
16% over limit
Discharged 4.22 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
90% over limit
Discharged 32.41559973 kg/d against a permitted limit of 17.02499986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Coliform, fecal general
Limit violation
Discharged 2419.6 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
73% over limit
Discharged 26 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
33% over limit
Discharged 3.33 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
23% over limit
Discharged 27.6 mg/L against a permitted limit of 22.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Coliform, fecal general
333% over limit
Discharged 1732.9 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
130% over limit
Discharged 460.4 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
June 30, 2025
Solids, total suspended
15% over limit
Discharged 17.2 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
230% over limit
Discharged 28.18885976 kg/d against a permitted limit of 8.53519993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2419.6 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
355% over limit
Discharged 38.86239967 kg/d against a permitted limit of 8.53519993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
104% over limit
Discharged 816.4 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
118% over limit
Discharged 6.24204595 kg/d against a permitted limit of 2.86019998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
14% over limit
Discharged 9.80639992 kg/d against a permitted limit of 8.62599993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
206% over limit
Discharged 612.5 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Solids, total suspended
13% over limit
Discharged 16.9 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1% over limit
Discharged 22.8 mg/L against a permitted limit of 22.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total suspended
29% over limit
Discharged 21.95997982 kg/d against a permitted limit of 17.02499986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
13% over limit
Discharged 50.7 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
10% over limit
Discharged 33 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
213% over limit
Discharged 53.34499955 kg/d against a permitted limit of 17.02499986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
145% over limit
Discharged 42.26739964 kg/d against a permitted limit of 17.25199986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
13% over limit
Discharged 34 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
493% over limit
Discharged 101.01499915 kg/d against a permitted limit of 17.02499986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
279% over limit
Discharged 65.33059945 kg/d against a permitted limit of 17.25199986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 24196 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 7651.4 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, ammonia total [as N]
92% over limit
Discharged 14.4 mg/L against a permitted limit of 7.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2419.6 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
44% over limit
Discharged 7.2 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2419.6 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, ammonia total [as N]
67% over limit
Discharged 12.5 mg/L against a permitted limit of 7.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
5% over limit
Discharged 2.99639997 kg/d against a permitted limit of 2.86019998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2419.6 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
26% over limit
Discharged 6.3 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (22 minutes ago)