RIVERVIEW MHC
NPDES ID: OH0119571
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 8 effluent violations.
Violations
May 31, 2026
BOD, carbonaceous [5 day, 20 C]
37% over limit
Discharged 1.3 kg/d against a permitted limit of 0.947 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, carbonaceous [5 day, 20 C]
360% over limit
Discharged 46 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
92% over limit
Discharged 23 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
28% over limit
Discharged 23 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
207% over limit
Discharged 46 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
14% over limit
Discharged 1.3 kg/d against a permitted limit of 1.14 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
76% over limit
Discharged 2.5 kg/d against a permitted limit of 1.42 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
164% over limit
Discharged 2.5 kg/d against a permitted limit of 0.947 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
14% over limit
Discharged 1.3 kg/d against a permitted limit of 1.14 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
33% over limit
Discharged 16 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, carbonaceous [5 day, 20 C]
493% over limit
Discharged 89 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
358% over limit
Discharged 6.5 kg/d against a permitted limit of 1.42 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
1622% over limit
Discharged 310 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
790% over limit
Discharged 89 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
2483% over limit
Discharged 310 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
586% over limit
Discharged 6.5 kg/d against a permitted limit of 0.947 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1245% over limit
Discharged 23 kg/d against a permitted limit of 1.71 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
1918% over limit
Discharged 23 kg/d against a permitted limit of 1.14 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
33% over limit
Discharged 24 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
100% over limit
Discharged 24 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
93% over limit
Discharged 2.2 kg/d against a permitted limit of 1.14 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
29% over limit
Discharged 2.2 kg/d against a permitted limit of 1.71 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
27% over limit
Discharged 1.2 kg/d against a permitted limit of 0.947 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
30% over limit
Discharged 13 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
219% over limit
Discharged 6.37 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
91% over limit
Discharged 0.542 kg/d against a permitted limit of 0.284 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
112% over limit
Discharged 6.37 mg/L against a permitted limit of 3 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
185% over limit
Discharged 0.542 kg/d against a permitted limit of 0.19 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 10 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 15 mg/L (WKLY MAX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 kg/d against a permitted limit of 1.42 kg/d (WKLY MAX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.947 kg/d (MO AVG)
DMR, Limited - Overdue
January 31, 2025
BOD, carbonaceous [5 day, 20 C]
1100% over limit
Discharged 120 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
1801% over limit
Discharged 18 kg/d against a permitted limit of 0.947 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
1168% over limit
Discharged 18 kg/d against a permitted limit of 1.42 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
700% over limit
Discharged 120 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
765% over limit
Discharged 17.3 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
477% over limit
Discharged 17.3 mg/L against a permitted limit of 3 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
460% over limit
Discharged 1.59 kg/d against a permitted limit of 0.284 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
737% over limit
Discharged 1.59 kg/d against a permitted limit of 0.19 kg/d (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)