COUNTRYSIDE MHP
NPDES ID: OH0121355
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: 16 effluent violations.
Violations
May 31, 2026
E. coli, MTEC-MF
1789% over limit
Discharged 2380 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Solids, total suspended
22% over limit
Discharged 22 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1648% over limit
Discharged 17.48 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
738% over limit
Discharged 2380 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
Solids, total suspended
83% over limit
Discharged 22 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1065% over limit
Discharged 17.48 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
467% over limit
Discharged 0.397 kg/d against a permitted limit of 0.07 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
297% over limit
Discharged 0.397 kg/d against a permitted limit of 0.1 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
336% over limit
Discharged 19.6 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
325% over limit
Discharged 51 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
553% over limit
Discharged 19.6 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
512% over limit
Discharged 61.2 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
183% over limit
Discharged 51 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
2% over limit
Discharged 0.695 kg/d against a permitted limit of 0.68 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
12% over limit
Discharged 0.223 kg/d against a permitted limit of 0.2 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
308% over limit
Discharged 61.2 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
3% over limit
Discharged 3.1 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
174% over limit
Discharged 8.23 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
83% over limit
Discharged 8.23 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
4% over limit
Discharged 0.709 kg/d against a permitted limit of 0.68 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
25% over limit
Discharged 0.249 kg/d against a permitted limit of 0.2 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
134% over limit
Discharged 23.4 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
50% over limit
Discharged 18 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
56% over limit
Discharged 23.4 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
12% over limit
Discharged 5.04 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
15% over limit
Discharged 0.229 kg/d against a permitted limit of 0.2 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
68% over limit
Discharged 5.04 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
26% over limit
Discharged 5.69 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
90% over limit
Discharged 5.69 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
8% over limit
Discharged 0.215 kg/d against a permitted limit of 0.2 kg/d (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Oxygen, dissolved [DO]
2% over limit
Discharged 5.9 mg/L against a permitted limit of 6 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
July 31, 2025
E. coli, MTEC-MF
368% over limit
Discharged 1330 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
65% over limit
Discharged 2.1 mg/L against a permitted limit of 6 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
726% over limit
Discharged 8.26 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
451% over limit
Discharged 8.26 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
956% over limit
Discharged 1330 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
169% over limit
Discharged 0.188 kg/d against a permitted limit of 0.07 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
88% over limit
Discharged 0.188 kg/d against a permitted limit of 0.1 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
58% over limit
Discharged 2.37 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
7% over limit
Discharged 135 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
137% over limit
Discharged 2.37 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia total [as N]
96% over limit
Discharged 0.137 kg/d against a permitted limit of 0.07 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
37% over limit
Discharged 0.137 kg/d against a permitted limit of 0.1 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
21% over limit
Discharged 1.21 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Oxygen, dissolved [DO]
28% over limit
Discharged 4.3 mg/L against a permitted limit of 6 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (22 days ago)