AMITY STP
NPDES ID: OR0026212
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, 1 single-event violation.
Violations
April 30, 2026
BOD, 5-day, 20 deg. C
34% over limit
Discharged 35.4119997 kg/d against a permitted limit of 26.33199978 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, 20 deg. C
72% over limit
Discharged 60.83599949 kg/d against a permitted limit of 35.4119997 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
13% over limit
Discharged 83 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
54% over limit
Discharged 27.23999977 kg/d against a permitted limit of 17.70599985 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
131% over limit
Discharged 60.83599949 kg/d against a permitted limit of 26.33199978 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, 5-day, 20 deg. C
49% over limit
Discharged 26.33199978 kg/d against a permitted limit of 17.70599985 kg/d (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (4 days ago)