OAK TERRACE SUBDIVISION WWTP

Address

0.11 MI W OF OAK TERRACE LN AND
LAKE OZARK, MO 65049
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County

MILLER County

Industry

Utilities

NAICS (North American Industry Classification)

221320

Inspections

1 · last Nov 4, 2025

Total Penalties

$0

Registry ID

110064346284

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

7

Water (CWA)
Qtrs Non-Compliant

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program	Type	Violation Date	Return to Compliance	Status
cwa	Effluent Violations - Narrative Effluent Violation	Dec 3, 2025	—	Open
cwa	Effluent Violations - Numeric effluent violation	Dec 3, 2025	—	Open
cwa	Schedule Event unachieved and not reported	Oct 1, 2018	Jan 3, 2020	Resolved
cwa	Schedule Event reported late	Oct 1, 2018	—	Open
cwa	Schedule Event achieved late but reported	Oct 1, 2018	—	Open
cwa	Schedule Event unachieved but reported	Oct 1, 2018	Jan 3, 2020	Resolved

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant	Violation	Reported	Limit	Exceedance	Period	Status
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	5.29 mg/L	1.30	+307%	Sep 2025	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	2.31 mg/L	1.60	+44%	Jun 2025	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	3.51 mg/L	2.50	+40%	Dec 2024	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	2.74 mg/L	1.30	+111%	Sep 2024	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	6.39 mg/L	4.60	+39%	Dec 2023	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	14.10 mg/L	12.10	+17%	Jun 2023	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	14.10 mg/L	4.60	+207%	Jun 2023	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	13.50 mg/L	4.60	+193%	Mar 2023	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	13.50 mg/L	12.10	+12%	Mar 2023	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.07 mg/L	0.01	+678%	Jun 2019	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.07 mg/L	0.02	+268%	Jun 2019	Open
E. coli, colony forming units [CFU]	DMR, Limited - Numeric Violation	164.00 MPN/100mL	126.00	+30%	Jun 2018	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.13 mg/L	0.01	+1,484%	Sep 2016	Resolved
Chlorine, total residual	DMR, Limited - Numeric Violation	0.13 mg/L	0.02	+664%	Sep 2016	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.13 mg/L	0.01	+1,484%	Jun 2016	Resolved
Chlorine, total residual	DMR, Limited - Numeric Violation	0.13 mg/L	0.02	+664%	Jun 2016	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.13 mg/L	0.01	+1,484%	Sep 2015	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.13 mg/L	0.02	+664%	Sep 2015	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	12.90 mg/L	0.01	+157,217%	Jun 2015	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	12.90 mg/L	0.02	+75,782%	Jun 2015	Open

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