HIGGINSON, TOWN OF

NPDES ID: AR0044822

X — SNC: Effluent violation (non-monthly average limit)

The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.

This quarter: 4 effluent violations.

Violations

June 30, 2026

Chlorine, total residual

355% over limit

Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (INST MAX)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 5.49 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

May 31, 2026

pH

0% over limit

Discharged 5.69 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

April 30, 2026

pH

0% over limit

Discharged 4.84 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

February 28, 2026

Chlorine, total residual

1173% over limit

Discharged 0.14 mg/L against a permitted limit of 0.011 mg/L (INST MAX)

DMR, Limited - Numeric Violation

January 31, 2026

Chlorine, total residual

355% over limit

Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (INST MAX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (5 months ago)

Last confirmed

September 15, 2026 (5 days ago)