SMITHSBURG WWTP
NPDES ID: MD0024317
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: 14 effluent violations.
Violations
May 31, 2026
Nitrogen, Kjeldahl, total [as N]
141% over limit
Discharged 13.65631989 kg/d against a permitted limit of 5.67499995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
49% over limit
Discharged 5.62959995 kg/d against a permitted limit of 3.76819997 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
182% over limit
Discharged 12.7 mg/L against a permitted limit of 4.5 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
169% over limit
Discharged 19.02259984 kg/d against a permitted limit of 7.08239994 kg/d (MX DA AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
185% over limit
Discharged 3.7 mg/L against a permitted limit of 1.3 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
27% over limit
Discharged 19.1 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
193% over limit
Discharged 16.4 mg/L against a permitted limit of 5.6 mg/L (MX DA AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
131% over limit
Discharged 3.76819997 kg/d against a permitted limit of 1.63439999 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
1% over limit
Discharged 19.30861984 kg/d against a permitted limit of 19.06799984 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
93% over limit
Discharged 5.8 mg/L against a permitted limit of 3 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
524% over limit
Discharged 53.52659955 kg/d against a permitted limit of 8.58059993 kg/d (MX DA AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
151% over limit
Discharged 17.1 mg/L against a permitted limit of 6.8 mg/L (MX DA AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
227% over limit
Discharged 8.5 mg/L against a permitted limit of 2.6 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
264% over limit
Discharged 11.8947999 kg/d against a permitted limit of 3.26879997 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (9 hours ago)