P.J. HOLTON WATER TREATMENT PLANT
NPDES ID: RI0021601
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.
Violations
May 31, 2026
Iron, total [as Fe]
5% over limit
Discharged 0.83800004 mg/L against a permitted limit of 0.80000004 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Iron, total [as Fe]
149% over limit
Discharged 1.99000009 mg/L against a permitted limit of 0.80000004 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Iron, total [as Fe]
6% over limit
Discharged 0.84500004 mg/L against a permitted limit of 0.80000004 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Iron, total [as Fe]
301% over limit
Discharged 3.20800015 mg/L against a permitted limit of 0.80000004 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
10% over limit
Discharged 5.5 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Iron, total [as Fe]
12% over limit
Discharged 0.89800004 mg/L against a permitted limit of 0.80000004 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)