ADRIAN STP
NPDES ID: PA0253227
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 19 reporting violations.
Violations
March 31, 2026
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.055875 kg/d (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 2000 MPN/100mL (GEO MEAN)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 50 mg/L (INST MAX)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 1.6 mg/L (INST MAX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 60 mg/L (INST MAX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (INST MAX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 4 mg/L (DAILY MN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 2.04299998 kg/d (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
April 30, 2025
Oxygen, dissolved [DO]
91% over limit
Discharged 10.51 mg/L against a permitted limit of 5.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Oxygen, dissolved [DO]
95% over limit
Discharged 10.72 mg/L against a permitted limit of 5.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Oxygen, dissolved [DO]
105% over limit
Discharged 11.25 mg/L against a permitted limit of 5.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Oxygen, dissolved [DO]
119% over limit
Discharged 12.02 mg/L against a permitted limit of 5.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Oxygen, dissolved [DO]
93% over limit
Discharged 10.61 mg/L against a permitted limit of 5.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Oxygen, dissolved [DO]
87% over limit
Discharged 10.31 mg/L against a permitted limit of 5.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Oxygen, dissolved [DO]
72% over limit
Discharged 9.48 mg/L against a permitted limit of 5.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Oxygen, dissolved [DO]
70% over limit
Discharged 9.36 mg/L against a permitted limit of 5.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Oxygen, dissolved [DO]
49% over limit
Discharged 8.19 mg/L against a permitted limit of 5.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (8 hours ago)