EATON HILLS SEWER AUTH., INC.

NPDES ID: PA0062332

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

Violations

January 31, 2026

Coliform, fecal general

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 2000 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

515% over limit

Discharged 184.6 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

60% over limit

Discharged 0.8 mg/L against a permitted limit of 0.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

38% over limit

Discharged 2.2 mg/L against a permitted limit of 1.6 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

16% over limit

Discharged 29 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2025

Chlorine, total residual

25% over limit

Discharged 2 mg/L against a permitted limit of 1.6 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

147% over limit

Discharged 74 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2025

Solids, total suspended

86% over limit

Discharged 55.8 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2025

Solids, total suspended

205% over limit

Discharged 91.4 mg/L against a permitted limit of 30 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 (INST MAX)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 788 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

August 31, 2025

Coliform, fecal general

Limit violation

Discharged 2374 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 4840 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

July 31, 2025

BOD, carbonaceous [5 day, 20 C]

22% over limit

Discharged 30.6 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 24200 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

59% over limit

Discharged 47.8 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 10584 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

45% over limit

Discharged 2.73 mg/L against a permitted limit of 5 mg/L (INST MIN)

DMR, Limited - Numeric Violation

June 30, 2025

Coliform, fecal general

41% over limit

Discharged 1414 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

Coliform, fecal general

31% over limit

Discharged 262 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

Solids, total suspended

148% over limit

Discharged 74.5 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

May 31, 2025

Coliform, fecal general

46% over limit

Discharged 291 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

Coliform, fecal general

142% over limit

Discharged 2420 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

152% over limit

Discharged 75.5 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

April 30, 2025

Oxygen, dissolved [DO]

1% over limit

Discharged 4.97 mg/L against a permitted limit of 5 mg/L (INST MIN)

DMR, Limited - Numeric Violation

September 30, 2024

Coliform, fecal general

441% over limit

Discharged 1082 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

Coliform, fecal general

12% over limit

Discharged 1120 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)