COWANS GAP STATE PARK
NPDES ID: PA0032964
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 1 effluent violation, 12 reporting violations.
Violations
April 30, 2026
Oxygen, dissolved [DO]
29% over limit
Discharged 3.57 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
March 31, 2026
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
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
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
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 mg/L against a permitted limit of 7.5 mg/L (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
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
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
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
January 31, 2026
Oxygen, dissolved [DO]
6% over limit
Discharged 4.68 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
December 31, 2025
BOD, carbonaceous [5 day, 20 C]
75% over limit
Discharged 43.87 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
9% over limit
Discharged 2.72 mg/L against a permitted limit of 2.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
15% over limit
Discharged 4.25 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
September 30, 2025
Oxygen, dissolved [DO]
31% over limit
Discharged 3.44 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
July 31, 2025
Oxygen, dissolved [DO]
11% over limit
Discharged 4.46 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
June 30, 2025
Oxygen, dissolved [DO]
4% over limit
Discharged 4.78 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
May 31, 2025
Oxygen, dissolved [DO]
35% over limit
Discharged 3.25 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
March 31, 2025
pH
0% over limit
Discharged 9.46 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Numeric Violation
January 31, 2025
Chlorine, total residual
9% over limit
Discharged 1.74 mg/L against a permitted limit of 1.6 mg/L (INST MAX)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
16% over limit
Discharged 2.9 mg/L against a permitted limit of 2.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (40 minutes ago)