CHADRON POTABLE WTP

NPDES ID: NE0132519

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: 2 effluent violations, 2 reporting violations.

Violations

June 30, 2026

Chlorine, total residual

82% over limit

Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

5% over limit

Discharged 0.02 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2026

Chlorine, total residual

82% over limit

Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

5% over limit

Discharged 0.02 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2026

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)

DMR, Monitor Only - Overdue

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (3 hours ago)