GILLHAM REGIONAL WASTEWATER DISTRICT
NPDES ID: AR0047996
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 2 effluent violations.
Violations
May 31, 2026
Chlorine, total residual
2355% over limit
Discharged 0.27 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
April 30, 2026
Chlorine, total residual
2173% over limit
Discharged 0.25 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
March 31, 2026
Chlorine, total residual
900% over limit
Discharged 0.11 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
January 31, 2026
Chlorine, total residual
15082% over limit
Discharged 1.67 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
December 31, 2025
Chlorine, total residual
4264% over limit
Discharged 0.48 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
November 30, 2025
Chlorine, total residual
31264% over limit
Discharged 3.45 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 4.97 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
October 31, 2025
pH
0% over limit
Discharged 3.5 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
July 31, 2025
pH
0% over limit
Discharged 5.7 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
June 30, 2025
Coliform, fecal general
7% over limit
Discharged 1069 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
13% over limit
Discharged 5.9 mg/L against a permitted limit of 5.2 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2000 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
57% over limit
Discharged 35.5754397 kg/d against a permitted limit of 22.69999981 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 2000 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
July 31, 2024
pH
0% over limit
Discharged 4.96 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (25 days ago)