PARMA, CITY OF - PARMA WWTP

NPDES ID: ID0021776

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: 4 effluent violations.

Violations

June 30, 2026

Solids, suspended percent removal

33% over limit

Discharged 80 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

93% over limit

Discharged 58 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

29% over limit

Discharged 58 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

April 30, 2026

E. coli, MTEC-MF

317% over limit

Discharged 2400 MPN/100mL against a permitted limit of 576 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

March 31, 2026

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (INST MIN)

DMR, Limited - Numeric Violation

January 31, 2026

Chlorine, total residual

0% over limit

Discharged 0 kg/d against a permitted limit of 0.4767 kg/d (DAILY MX)

DMR, Limited - Overdue

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.186 mg/L (DAILY MX)

DMR, Limited - Overdue

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.074 mg/L (MO AVG)

DMR, Limited - Overdue

Chlorine, total residual

0% over limit

Discharged 0 kg/d against a permitted limit of 0.19068 kg/d (MO AVG)

DMR, Limited - Overdue

October 31, 2025

BOD, 5-day, percent removal

53% over limit

Discharged 77 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

20% over limit

Discharged 36 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2025

BOD, 5-day, percent removal

93% over limit

Discharged 71 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

33% over limit

Discharged 40 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

August 31, 2025

Solids, total suspended

63% over limit

Discharged 28.5 mg/L against a permitted limit of 17.5 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

17% over limit

Discharged 35 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

28% over limit

Discharged 3.74549997 kg/d against a permitted limit of 2.93283998 kg/d (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2025

Chlorine, total residual

35% over limit

Discharged 0.1 mg/L against a permitted limit of 0.074 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

104% over limit

Discharged 35.75 mg/L against a permitted limit of 17.5 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

June 30, 2025

Chlorine, total residual

22% over limit

Discharged 0.09 mg/L against a permitted limit of 0.074 mg/L (MO AVG)

DMR, Limited - Numeric Violation

E. coli, MTEC-MF

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 126 MPN/100mL (MO AVG)

DMR, Limited - Overdue

E. coli, MTEC-MF

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 576 MPN/100mL (INST MAX)

DMR, Limited - Overdue

Solids, total suspended

99% over limit

Discharged 34.8 mg/L against a permitted limit of 17.5 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

May 31, 2025

Solids, total suspended

157% over limit

Discharged 77 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

51% over limit

Discharged 68 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

71% over limit

Discharged 77 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

127% over limit

Discharged 68 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

87% over limit

Discharged 32.75 mg/L against a permitted limit of 17.5 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

April 30, 2025

Solids, total suspended

30% over limit

Discharged 39 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

37% over limit

Discharged 41 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

8% over limit

Discharged 0.08 mg/L against a permitted limit of 0.074 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2025

Phosphorus, total [as P]

1% over limit

Discharged 2.97369998 kg/d against a permitted limit of 2.93283998 kg/d (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2025

Phosphorus, total [as P]

5% over limit

Discharged 3.07811997 kg/d against a permitted limit of 2.93283998 kg/d (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2025

E. coli, MTEC-MF

317% over limit

Discharged 2400 MPN/100mL against a permitted limit of 576 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

December 31, 2024

E. coli, MTEC-MF

178% over limit

Discharged 1600 MPN/100mL against a permitted limit of 576 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

November 30, 2024

Solids, total suspended

4% over limit

Discharged 18.25 mg/L against a permitted limit of 17.5 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

October 31, 2024

Solids, total suspended

40% over limit

Discharged 24.5 mg/L against a permitted limit of 17.5 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

20% over limit

Discharged 36 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

10% over limit

Discharged 3.23247997 kg/d against a permitted limit of 2.93283998 kg/d (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2024

BOD, 5-day, 20 deg. C

30% over limit

Discharged 39 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

80% over limit

Discharged 31.5 mg/L against a permitted limit of 17.5 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

44% over limit

Discharged 4.23581996 kg/d against a permitted limit of 2.93283998 kg/d (MO AVG)

DMR, Limited - Numeric Violation

August 31, 2024

BOD, 5-day, percent removal

27% over limit

Discharged 81 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

73% over limit

Discharged 52 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

28% over limit

Discharged 3.74549997 kg/d against a permitted limit of 2.93283998 kg/d (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

16% over limit

Discharged 52 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

139% over limit

Discharged 41.75 mg/L against a permitted limit of 17.5 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (8 hours ago)