DEERFIELD TREATMENT PLANT
NPDES ID: WVG550886
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: 3 effluent violations.
Violations
June 30, 2026
BOD, 5-day, 20 deg. C
499% over limit
Discharged 59.9 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
1098% over limit
Discharged 59.9 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
379% over limit
Discharged 59.9 mg/L against a permitted limit of 12.5 mg/L (INST MAX)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, 5-day, 20 deg. C
24% over limit
Discharged 24.8 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
148% over limit
Discharged 24.8 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
BOD, 5-day, 20 deg. C
206% over limit
Discharged 30.6 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)