ACCIDENT WWTP
NPDES ID: MD0051721
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: 5 effluent violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
60% over limit
Discharged 1.08959999 kg/d against a permitted limit of 0.68099999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
288% over limit
Discharged 13.21139989 kg/d against a permitted limit of 3.40499997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
240% over limit
Discharged 7.71799994 kg/d against a permitted limit of 2.26999998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
4% over limit
Discharged 8.94379992 kg/d against a permitted limit of 8.626 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
115% over limit
Discharged 3.99519997 kg/d against a permitted limit of 1.86139998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, percent removal
0% over limit
Discharged 96.78 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
19% over limit
Discharged 10.26039991 kg/d against a permitted limit of 8.62599993 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
81% over limit
Discharged 15.57219987 kg/d against a permitted limit of 8.626 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
0% over limit
Discharged 93.94 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Overdue
January 31, 2026
Solids, total suspended
705% over limit
Discharged 69.41659942 kg/d against a permitted limit of 8.626 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
422% over limit
Discharged 30.82659974 kg/d against a permitted limit of 5.902 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
357% over limit
Discharged 39.40719967 kg/d against a permitted limit of 8.62599993 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
352% over limit
Discharged 32.14 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Overdue
Solids, suspended percent removal
352% over limit
Discharged 32.14 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
393% over limit
Discharged 222 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
180% over limit
Discharged 126 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
125% over limit
Discharged 13.30219989 kg/d against a permitted limit of 5.90199995 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
43% over limit
Discharged 78.61 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Overdue
BOD, 5-day, percent removal
43% over limit
Discharged 78.61 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
190% over limit
Discharged 87 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
33% over limit
Discharged 40 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
172% over limit
Discharged 23.4263998 kg/d against a permitted limit of 8.626 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
0% over limit
Discharged 96.18 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
78% over limit
Discharged 10.53279991 kg/d against a permitted limit of 5.902 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
26% over limit
Discharged 81.13 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Overdue
Solids, suspended percent removal
26% over limit
Discharged 81.13 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
September 30, 2025
BOD, 5-day, 20 deg. C
233% over limit
Discharged 60 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
74% over limit
Discharged 3.94979997 kg/d against a permitted limit of 2.26999998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
58% over limit
Discharged 19 mg/L against a permitted limit of 12 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
297% over limit
Discharged 13.52919989 kg/d against a permitted limit of 3.40499997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
July 31, 2025
BOD, 5-day, 20 deg. C
16% over limit
Discharged 2.63319998 kg/d against a permitted limit of 2.26999998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
May 31, 2025
BOD, 5-day, 20 deg. C
24% over limit
Discharged 2.81479998 kg/d against a permitted limit of 2.26999998 kg/d (MX MO AV)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
24% over limit
Discharged 2.81479998 kg/d against a permitted limit of 2.26999998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
160% over limit
Discharged 8.85299993 kg/d against a permitted limit of 3.40499997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.5902 kg/d against a permitted limit of 0.68099999 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
1% over limit
Discharged 8.67139993 kg/d against a permitted limit of 8.626 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 3 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.76939998 kg/d against a permitted limit of 5.902 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.51460001 kg/d against a permitted limit of 16.61600017 kg/d (CUM TOTL)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.80119997 kg/d against a permitted limit of 0 kg/d (MO TOTAL)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (4 hours ago)