RICE HILL LAGOON EAST, LLC

NPDES ID: OR0029564

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

April 30, 2026

BOD, 5-day, 20 deg. C

97% over limit

Discharged 2.23821998 kg/d against a permitted limit of 1.13499999 kg/d (MO AVG)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 6.3 SU against a permitted limit of 6.5 SU (DAILY MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

30% over limit

Discharged 2.23821998 kg/d against a permitted limit of 1.72519999 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

March 31, 2026

BOD, 5-day, 20 deg. C

51% over limit

Discharged 1.71611999 kg/d against a permitted limit of 1.13499999 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

3% over limit

Discharged 3.93163997 kg/d against a permitted limit of 3.81359997 kg/d (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

7% over limit

Discharged 2.04299998 kg/d against a permitted limit of 1.90679998 kg/d (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (5 months ago)

Last confirmed

September 15, 2026 (5 days ago)