NEW HOULKA POTW, WEST
NPDES ID: MS0025216
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
Violations
December 31, 2025
Nitrogen, ammonia total [as N]
247% over limit
Discharged 5.2 mg/L against a permitted limit of 1.5 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli
27% over limit
Discharged 160 MPN/100mL against a permitted limit of 126 MPN/100mL (MX MO AV)
DMR, Limited - Numeric Violation
Chlorine, total residual
36% over limit
Discharged 0.015 mg/L against a permitted limit of 0.011 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1529% over limit
Discharged 12.57579989 kg/d against a permitted limit of 0.7718 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
58% over limit
Discharged 2.5 mg/L against a permitted limit of 6 mg/L (MINIMUM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
50% over limit
Discharged 9 mg/L against a permitted limit of 6 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
420% over limit
Discharged 5.2 mg/L against a permitted limit of 1 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
381% over limit
Discharged 21.83739982 kg/d against a permitted limit of 4.54 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
221% over limit
Discharged 21.83739982 kg/d against a permitted limit of 6.81 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
68% over limit
Discharged 0.335 MGD against a permitted limit of 0.2 MGD (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1008% over limit
Discharged 12.57579989 kg/d against a permitted limit of 1.135 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
December 31, 2024
BOD, 5-day, 20 deg. C
283% over limit
Discharged 23 mg/L against a permitted limit of 6 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
818% over limit
Discharged 7.08239994 kg/d against a permitted limit of 0.7718 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
52% over limit
Discharged 2.9 mg/L against a permitted limit of 6 mg/L (MINIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
573% over limit
Discharged 10.1 mg/L against a permitted limit of 1.5 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
156% over limit
Discharged 23 mg/L against a permitted limit of 9 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
27% over limit
Discharged 8.67139993 kg/d against a permitted limit of 6.81 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
910% over limit
Discharged 10.1 mg/L against a permitted limit of 1 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
524% over limit
Discharged 7.08239994 kg/d against a permitted limit of 1.135 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
194% over limit
Discharged 0.587 MGD against a permitted limit of 0.2 MGD (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
91% over limit
Discharged 8.67139993 kg/d against a permitted limit of 4.54 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)