ROCK CREEK WWTP
NPDES ID: OH0107204
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 4 reporting violations.
Violations
April 30, 2026
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO AVG)
DMR, Monitor Only - Overdue
March 31, 2026
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO AVG)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Monitor Only - Overdue
February 28, 2026
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO AVG)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Monitor Only - Overdue
January 31, 2026
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO AVG)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Monitor Only - Overdue
December 31, 2025
Biosolids weight indluding admixtures
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO AVG)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO AVG)
DMR, Monitor Only - Overdue
Sludge waste from secondary clarifiers
0% over limit
Discharged 0 gal against a permitted limit of 0 gal (DAILY MX)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Monitor Only - Overdue
Biosolids weight indluding admixtures
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (DAILY MX)
DMR, Monitor Only - Overdue
Sludge waste from secondary clarifiers
0% over limit
Discharged 0 gal against a permitted limit of 0 gal (MO AVG)
DMR, Monitor Only - Overdue
November 30, 2025
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO AVG)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Monitor Only - Overdue
October 31, 2025
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO AVG)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Monitor Only - Overdue
E. coli, MTEC-MF
Limit violation
Discharged 0 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
Limit violation
Discharged 0 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
September 30, 2025
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO AVG)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 21.3 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
134% over limit
Discharged 665 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
August 31, 2025
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO AVG)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Monitor Only - Overdue
July 31, 2025
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total dissolved- 180 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO AVG)
DMR, Monitor Only - Overdue
Solids, total dissolved- 180 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
E. coli, MTEC-MF
Limit violation
Discharged 0 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
Limit violation
Discharged 0 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
June 30, 2025
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO AVG)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Monitor Only - Overdue
May 31, 2025
Chlorine, total residual
189% over limit
Discharged 0.11 mg/L against a permitted limit of 0.038 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
387% over limit
Discharged 2.97 kg/d against a permitted limit of 0.61 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
25% over limit
Discharged 22.5 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
5% over limit
Discharged 5.02 kg/d against a permitted limit of 4.8 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
368% over limit
Discharged 1.87 kg/d against a permitted limit of 0.4 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
61% over limit
Discharged 2.7 mg/L against a permitted limit of 7 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
767% over limit
Discharged 13 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
878% over limit
Discharged 22.5 mg/L against a permitted limit of 2.3 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
604% over limit
Discharged 2000 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
April 30, 2025
Oxygen, dissolved [DO]
72% over limit
Discharged 1.4 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total dissolved- 180 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total dissolved- 180 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
November 30, 2024
pH
0% over limit
Discharged 6.1 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Numeric Violation
October 31, 2024
Chlorine, total residual
10426% over limit
Discharged 4 mg/L against a permitted limit of 0.038 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Chlorine, total residual
12268% over limit
Discharged 4.7 mg/L against a permitted limit of 0.038 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2024
Oxygen, dissolved [DO]
11% over limit
Discharged 6.2 mg/L against a permitted limit of 7 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
Limit violation
Discharged 0 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
Limit violation
Discharged 0 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.72 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)