COMMUNITY WATER SYSTEM

NPDES ID: ARG640102

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: 3 effluent violations.

Violations

May 31, 2026

Solids, total suspended

340% over limit

Discharged 88 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

987% over limit

Discharged 326 mg/L against a permitted limit of 30 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chlorine, total residual

2991% over limit

Discharged 0.34 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2026

Solids, total suspended

267% over limit

Discharged 110 mg/L against a permitted limit of 30 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

26% over limit

Discharged 25.2 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

718% over limit

Discharged 0.09 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2026

Solids, total suspended

35% over limit

Discharged 27 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

627% over limit

Discharged 0.08 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2026

Chlorine, total residual

2082% over limit

Discharged 0.24 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

10% over limit

Discharged 22 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

47% over limit

Discharged 44 mg/L against a permitted limit of 30 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

8329% over limit

Discharged 2528.6 mg/L against a permitted limit of 30 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chlorine, total residual

5355% over limit

Discharged 0.6 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

3077% over limit

Discharged 635.4 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2025

Chlorine, total residual

445% over limit

Discharged 0.06 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

October 31, 2025

Chlorine, total residual

1173% over limit

Discharged 0.14 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 5.73 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

September 30, 2025

Chlorine, total residual

1264% over limit

Discharged 0.15 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

August 31, 2025

Chlorine, total residual

355% over limit

Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

July 31, 2025

pH

0% over limit

Discharged 5.6 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

Chlorine, total residual

809% over limit

Discharged 0.1 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

June 30, 2025

Chlorine, total residual

445% over limit

Discharged 0.06 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

May 31, 2025

pH

0% over limit

Discharged 4.94 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

Chlorine, total residual

445% over limit

Discharged 0.06 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

April 30, 2025

Solids, total suspended

7% over limit

Discharged 32 mg/L against a permitted limit of 30 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2025

Solids, total suspended

27% over limit

Discharged 38 mg/L against a permitted limit of 30 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

22% over limit

Discharged 24.4 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

355% over limit

Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2025

Chlorine, total residual

355% over limit

Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2025

Chlorine, total residual

355% over limit

Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2024

Chlorine, total residual

1264% over limit

Discharged 0.15 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

November 30, 2024

Chlorine, total residual

355% over limit

Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

October 31, 2024

Chlorine, total residual

991% over limit

Discharged 0.12 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2024

Chlorine, total residual

3718% over limit

Discharged 0.42 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

August 31, 2024

Chlorine, total residual

355% over limit

Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

July 31, 2024

Chlorine, total residual

2082% over limit

Discharged 0.24 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)