CRESTLINE WWTP
NPDES ID: OH0020664
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 11 effluent violations.
Violations
May 31, 2026
Solids, total suspended
273% over limit
Discharged 280 kg/d against a permitted limit of 75 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
8% over limit
Discharged 2.6 kg/d against a permitted limit of 2.4 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Mercury, total low level
44% over limit
Discharged 0.0000101 kg/d against a permitted limit of 0.000007 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
124% over limit
Discharged 140 kg/d against a permitted limit of 62.5 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
17% over limit
Discharged 14 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
40% over limit
Discharged 21 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
139% over limit
Discharged 43 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Mercury, total low level
88% over limit
Discharged 0.00000338 mg/L against a permitted limit of 0.0000018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
51% over limit
Discharged 5.4 kg/d against a permitted limit of 3.57 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
82% over limit
Discharged 91 kg/d against a permitted limit of 50 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Mercury, total low level
23% over limit
Discharged 0.00000221 mg/L against a permitted limit of 0.0000018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Mercury, total low level
26% over limit
Discharged 0.00000227 mg/L against a permitted limit of 0.0000018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Mercury, total low level
46% over limit
Discharged 0.0000102 kg/d against a permitted limit of 0.000007 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
94% over limit
Discharged 6.8 mg/L against a permitted limit of 3.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
30% over limit
Discharged 3.13 kg/d against a permitted limit of 2.4 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
225% over limit
Discharged 47.5 kg/d against a permitted limit of 14.6 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
23% over limit
Discharged 1.06 mg/L against a permitted limit of 0.86 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
58% over limit
Discharged 15.2 kg/d against a permitted limit of 9.6 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2% over limit
Discharged 2.35 mg/L against a permitted limit of 2.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
154% over limit
Discharged 9.06 kg/d against a permitted limit of 3.57 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
17% over limit
Discharged 88 kg/d against a permitted limit of 75 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Mercury, total low level
74% over limit
Discharged 0.0000122 kg/d against a permitted limit of 0.000007 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
18% over limit
Discharged 4.2 kg/d against a permitted limit of 3.57 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
7% over limit
Discharged 4.67 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Mercury, total low level
60% over limit
Discharged 0.00000288 mg/L against a permitted limit of 0.0000018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Oxygen, dissolved [DO]
15% over limit
Discharged 4.27 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
22% over limit
Discharged 4.26 mg/L against a permitted limit of 3.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
November 30, 2025
Oxygen, dissolved [DO]
18% over limit
Discharged 4.11 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
October 31, 2025
Oxygen, dissolved [DO]
16% over limit
Discharged 4.21 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
August 31, 2025
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
Oxygen, dissolved [DO]
0% over limit
Discharged 4.98 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
1% over limit
Discharged 3.32 kg/d against a permitted limit of 3.3 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
58% over limit
Discharged 1.89 mg/L against a permitted limit of 1.2 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
12% over limit
Discharged 5.6 kg/d against a permitted limit of 5 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
48% over limit
Discharged 1.18 mg/L against a permitted limit of 0.8 mg/L (MO AVG)
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
Oxygen, dissolved [DO]
28% over limit
Discharged 3.6 mg/L against a permitted limit of 5 mg/L (DAILY MN)
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
Oxygen, dissolved [DO]
31% over limit
Discharged 3.44 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
664% over limit
Discharged 38.2 kg/d against a permitted limit of 5 kg/d (WKLY MAX)
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
Phosphorus, total [as P]
15% over limit
Discharged 4.1 kg/d against a permitted limit of 3.57 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Mercury, total low level
186% over limit
Discharged 0.00002 kg/d against a permitted limit of 0.000007 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1417% over limit
Discharged 18.2 mg/L against a permitted limit of 1.2 mg/L (WKLY MAX)
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
Nitrogen, ammonia total [as N]
1213% over limit
Discharged 10.5 mg/L against a permitted limit of 0.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
833% over limit
Discharged 30.8 kg/d against a permitted limit of 3.3 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Mercury, total low level
42% over limit
Discharged 0.00000255 mg/L against a permitted limit of 0.0000018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia total [as N]
870% over limit
Discharged 32 kg/d against a permitted limit of 3.3 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
51% over limit
Discharged 5.38 kg/d against a permitted limit of 3.57 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
724% over limit
Discharged 41.2 kg/d against a permitted limit of 5 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
140% over limit
Discharged 2.06 mg/L against a permitted limit of 0.86 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
0% over limit
Discharged 2.41 kg/d against a permitted limit of 2.4 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1238% over limit
Discharged 10.7 mg/L against a permitted limit of 0.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1275% over limit
Discharged 16.5 mg/L against a permitted limit of 1.2 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
17% over limit
Discharged 14 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
60% over limit
Discharged 0.927 mg/L against a permitted limit of 0.58 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
26% over limit
Discharged 3.71 mg/L against a permitted limit of 5 mg/L (DAILY MN)
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
E. coli, MTEC-MF
Limit violation
Discharged 0 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
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
April 30, 2025
Nitrogen, ammonia total [as N]
95% over limit
Discharged 28.5 kg/d against a permitted limit of 14.6 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
133% over limit
Discharged 28 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
50% over limit
Discharged 15 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
1% over limit
Discharged 42 kg/d against a permitted limit of 41.7 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
33% over limit
Discharged 12.8 kg/d against a permitted limit of 9.6 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
237% over limit
Discharged 11.8 mg/L against a permitted limit of 3.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
53% over limit
Discharged 1.32 mg/L against a permitted limit of 0.86 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
156% over limit
Discharged 46 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
100% over limit
Discharged 30 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
70% over limit
Discharged 85 kg/d against a permitted limit of 50 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
107% over limit
Discharged 4.76 mg/L against a permitted limit of 2.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
153% over limit
Discharged 190 kg/d against a permitted limit of 75 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
17% over limit
Discharged 73 kg/d against a permitted limit of 62.5 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
38% over limit
Discharged 0.803 mg/L against a permitted limit of 0.58 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
19% over limit
Discharged 11.4 kg/d against a permitted limit of 9.6 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
4% over limit
Discharged 4.81 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Solids, total suspended
13% over limit
Discharged 85 kg/d against a permitted limit of 75 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
41% over limit
Discharged 3.25 mg/L against a permitted limit of 2.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
107% over limit
Discharged 7.26 mg/L against a permitted limit of 3.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
45% over limit
Discharged 21.2 kg/d against a permitted limit of 14.6 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
113% over limit
Discharged 20.4 kg/d against a permitted limit of 9.6 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
83% over limit
Discharged 26.7 kg/d against a permitted limit of 14.6 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Mercury, total low level
8% over limit
Discharged 0.00000194 mg/L against a permitted limit of 0.0000018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
96% over limit
Discharged 4.5 mg/L against a permitted limit of 2.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
66% over limit
Discharged 5.82 mg/L against a permitted limit of 3.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
14% over limit
Discharged 4.32 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
January 31, 2025
Mercury, total low level
40% over limit
Discharged 0.0000098 kg/d against a permitted limit of 0.000007 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
205% over limit
Discharged 2.62 mg/L against a permitted limit of 0.86 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
374% over limit
Discharged 10.9 mg/L against a permitted limit of 2.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
42% over limit
Discharged 17 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
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
8% over limit
Discharged 54 kg/d against a permitted limit of 50 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
66% over limit
Discharged 0.963 mg/L against a permitted limit of 0.58 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
13% over limit
Discharged 85 kg/d against a permitted limit of 75 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
23% over limit
Discharged 3.84 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
69% over limit
Discharged 6.05 kg/d against a permitted limit of 3.57 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
334% over limit
Discharged 15.2 mg/L against a permitted limit of 3.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
133% over limit
Discharged 34 kg/d against a permitted limit of 14.6 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Mercury, total low level
151% over limit
Discharged 0.00000452 mg/L against a permitted limit of 0.0000018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
196% over limit
Discharged 28.4 kg/d against a permitted limit of 9.6 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Oxygen, dissolved [DO]
23% over limit
Discharged 3.85 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Mercury, total low level
74% over limit
Discharged 0.0000122 kg/d against a permitted limit of 0.000007 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Mercury, total low level
64% over limit
Discharged 0.00000295 mg/L against a permitted limit of 0.0000018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Oxygen, dissolved [DO]
7% over limit
Discharged 4.67 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, ammonia total [as N]
62% over limit
Discharged 1.94 mg/L against a permitted limit of 1.2 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
45% over limit
Discharged 1.16 mg/L against a permitted limit of 0.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
22% over limit
Discharged 3.9 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
August 31, 2024
%Effect Static Renewal 48Hr Acute Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 0 % (DAILY MX)
DMR, Monitor Only - Overdue
%Effect Static Renewal 48Hr Acute Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 0 % (MO AVG)
DMR, Monitor Only - Overdue
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 0 % (DAILY MX)
DMR, Monitor Only - Overdue
Toxicity [acute], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 1 toxic (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
37% over limit
Discharged 1.64 mg/L against a permitted limit of 1.2 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 1.7 toxic (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
16% over limit
Discharged 0.926 mg/L against a permitted limit of 0.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 0 % (MO AVG)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)