WATERTOWN (T) SD#1 WWTF
NPDES ID: NY0099091
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
Violations
March 31, 2026
Flow, in conduit or thru treatment plant
32% over limit
Discharged 0.0737 MGD against a permitted limit of 0.056 MGD (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Coliform, fecal general
10% over limit
Discharged 220.5 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2419.6 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
September 30, 2025
Coliform, fecal general
Limit violation
Discharged 1540.2 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2419.6 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
August 31, 2025
Coliform, fecal general
502% over limit
Discharged 1203 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
201% over limit
Discharged 1203 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
March 31, 2025
Flow, in conduit or thru treatment plant
6% over limit
Discharged 0.0591 MGD against a permitted limit of 0.056 MGD (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Flow, in conduit or thru treatment plant
24% over limit
Discharged 0.0695 MGD against a permitted limit of 0.056 MGD (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)