VALLEY MHP
NPDES ID: OH0128953
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: 4 effluent violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
10% over limit
Discharged 2.48 mg/L against a permitted limit of 2.25 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
1805% over limit
Discharged 2400 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
65% over limit
Discharged 2.48 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
745% over limit
Discharged 2400 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
83% over limit
Discharged 8.23 mg/L against a permitted limit of 4.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
22% over limit
Discharged 8.23 mg/L against a permitted limit of 6.75 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
September 30, 2025
E. coli, MTEC-MF
31% over limit
Discharged 165 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (4 hours ago)