THREE RIVERS SWMA, THREE RIVERS REGIONAL LANDFILL
NPDES ID: MSP090943
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: 6 effluent violations, 1 single-event violation.
Violations
June 30, 2026
Oil & Grease
67% over limit
Discharged 13.25679989 kg/d against a permitted limit of 7.94499993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Arsenic, total recoverable
26% over limit
Discharged 0.478 mg/L against a permitted limit of 0.38 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
31% over limit
Discharged 13.93779988 kg/d against a permitted limit of 10.62359991 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Arsenic, total recoverable
70% over limit
Discharged 0.25572 mg/L against a permitted limit of 0.15 mg/L (SEMI AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Oil & Grease
72% over limit
Discharged 18.29619985 kg/d against a permitted limit of 10.62359991 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
87% over limit
Discharged 14.89119987 kg/d against a permitted limit of 7.94499993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (4 days ago)