PLAINFIELD SOUTH WWTP, TOWN OF

NPDES ID: IN0062456

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: 1 effluent violation.

Violations

April 30, 2026

Chloride [as Cl]

3% over limit

Discharged 382.5 mg/L against a permitted limit of 370 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2026

Chloride [as Cl]

11% over limit

Discharged 410 mg/L against a permitted limit of 370 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2026

Chloride [as Cl]

9% over limit

Discharged 402.5 mg/L against a permitted limit of 370 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

Chloride [as Cl]

12% over limit

Discharged 415 mg/L against a permitted limit of 370 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)