FORT MILLER HYDRO PLANT
NPDES ID: NY0266230
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: 2 effluent violations.
Violations
May 31, 2026
Copper, total [as Cu]
116% over limit
Discharged 0.016 mg/L against a permitted limit of 0.0074 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Copper, total [as Cu]
1522% over limit
Discharged 0.12 mg/L against a permitted limit of 0.0074 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Copper, total [as Cu]
386% over limit
Discharged 0.036 mg/L against a permitted limit of 0.0074 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Di[2-ethylhexyl] phthalate [DEHP]
3% over limit
Discharged 0.0031 mg/L against a permitted limit of 0.003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
549% over limit
Discharged 0.048 mg/L against a permitted limit of 0.0074 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Tetrachloroethene
500% over limit
Discharged 0.03 mg/L against a permitted limit of 0.005 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
22% over limit
Discharged 0.009 mg/L against a permitted limit of 0.0074 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Di[2-ethylhexyl] phthalate [DEHP]
500% over limit
Discharged 0.018 mg/L against a permitted limit of 0.003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
7% over limit
Discharged 16.1 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total [as Cu]
35% over limit
Discharged 0.01 mg/L against a permitted limit of 0.0074 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Copper, total [as Cu]
265% over limit
Discharged 0.027 mg/L against a permitted limit of 0.0074 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Copper, total [as Cu]
238% over limit
Discharged 0.025 mg/L against a permitted limit of 0.0074 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
pH
0% over limit
Discharged 9.92 SU against a permitted limit of 8.5 SU (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
146% over limit
Discharged 36.9 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
5454% over limit
Discharged 0.411 mg/L against a permitted limit of 0.0074 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
490% over limit
Discharged 0.059 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
pH
0% over limit
Discharged 9.55 SU against a permitted limit of 8.5 SU (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
792% over limit
Discharged 0.066 mg/L against a permitted limit of 0.0074 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
58% over limit
Discharged 23.7 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)