SANDY WWTP
NPDES ID: OR0026573
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
Violations
November 30, 2025
E. coli
283% over limit
Discharged 1553.1 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
261% over limit
Discharged 454.5 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
April 30, 2025
E. coli
20% over limit
Discharged 488.4 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
E. coli
220% over limit
Discharged 1300 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
BOD, 5-day, 20 deg. C
0% over limit
Discharged 257.8 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 17.11125986 kg/d against a permitted limit of 56.74999952 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 17.11125986 kg/d against a permitted limit of 56.74999952 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 5.72039995 kg/d against a permitted limit of 56.74999952 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 5.72039995 kg/d against a permitted limit of 56.74999952 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 3.7 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)