ROCHESTER WWTF

NPDES ID: NH0100668

E — SNC: Effluent violation (monthly average limit)

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

Violations

March 31, 2026

E. coli

327% over limit

Discharged 1732.9 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

July 31, 2025

Phosphorus, total [as P]

55% over limit

Discharged 4.76 mg/L against a permitted limit of 3.07 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2024

Phosphorus, total [as P]

87% over limit

Discharged 5.73 mg/L against a permitted limit of 3.07 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)