CHURCH HILL WWTP/ MES
NPDES ID: MD0050016
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 2 effluent violations.
Violations
April 30, 2026
BOD, 5-day, 20 deg. C
7% over limit
Discharged 14.52799988 kg/d against a permitted limit of 13.61999989 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
4% over limit
Discharged 47 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, 5-day, 20 deg. C
40% over limit
Discharged 19.06799984 kg/d against a permitted limit of 13.61999989 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
73% over limit
Discharged 52 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
65% over limit
Discharged 14.98199987 kg/d against a permitted limit of 9.07999992 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
42% over limit
Discharged 64 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
February 28, 2026
Phosphorus, total [as P]
2% over limit
Discharged 6.1 mg/L against a permitted limit of 6 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
10% over limit
Discharged 9.98799992 kg/d against a permitted limit of 9.07999992 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
47% over limit
Discharged 66 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
57% over limit
Discharged 47 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
June 30, 2025
Coliform, fecal general
1336% over limit
Discharged 201 MPN/100mL against a permitted limit of 14 MPN/100mL (MO MED)
DMR, Limited - Numeric Violation
March 31, 2025
BOD, 5-day, 20 deg. C
23% over limit
Discharged 16.79799986 kg/d against a permitted limit of 13.61999989 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
29% over limit
Discharged 58 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, 5-day, 20 deg. C
25% over limit
Discharged 11.3499999 kg/d against a permitted limit of 9.07999992 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
60% over limit
Discharged 48 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
27% over limit
Discharged 57 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
August 31, 2024
Coliform, fecal general
364% over limit
Discharged 65 MPN/100mL against a permitted limit of 14 MPN/100mL (MO MED)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)