STOCKBRIDGE-MUNSEE INDIAN TR
NPDES ID: WI0036188
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: 1 effluent violation, 6 single-event violations, 17 permit schedule violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
29% over limit
Discharged 5.5 mg/L against a permitted limit of 4.28 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
E. coli
40% over limit
Discharged 330 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
E. coli
6% over limit
Discharged 250 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)