MAWC, LAWSON LAGOON

Address

RT D HWY
LAWSON, MO 64062
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County

RAY County

Inspections

2 · last Dec 1, 2022

Total Penalties

$0

Registry ID

110018007627

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.

6

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 - Numeric effluent violation	Mar 23, 2026	—	Open
cwa	Effluent Violations - Numeric effluent violation	Sep 23, 2025	—	Open
cwa	Schedule Event unachieved and not reported	Oct 28, 2014	—	Open
cwa	Schedule Event reported late	Oct 28, 2014	—	Open
cwa	Schedule Event achieved late but reported	Oct 28, 2014	—	Open
cwa	Schedule Event unachieved but reported	Oct 28, 2014	—	Open
cwa	Schedule Event reported late	Oct 28, 2012	—	Open
cwa	Schedule Event achieved late but reported	Oct 28, 2012	—	Open
cwa	Schedule Event unachieved but reported	Oct 28, 2012	—	Open
cwa	Schedule Event unachieved and not reported	Oct 28, 2012	—	Open
cwa	Schedule Event achieved late but reported	Oct 28, 2011	—	Open
cwa	Schedule Event unachieved but reported	Oct 28, 2011	—	Open
cwa	Schedule Event reported late	Oct 28, 2011	—	Open
cwa	Schedule Event unachieved and not reported	Oct 28, 2011	—	Open
cwa	Schedule Event reported late	Oct 28, 2010	—	Open
cwa	Schedule Event achieved late but reported	Oct 28, 2010	—	Open
cwa	Schedule Event unachieved but reported	Oct 28, 2010	—	Open
cwa	Schedule Event unachieved and not reported	Oct 28, 2010	—	Open
cwa	Schedule Event achieved late but reported	Oct 28, 2009	—	Open

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	1.35 mg/L	1.20	+13%	Jun 2022	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	4.53 mg/L	2.70	+68%	Mar 2021	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	1.84 mg/L	1.20	+53%	Sep 2020	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	5.32 mg/L	2.70	+97%	Mar 2020	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	4.24 mg/L	2.70	+57%	Dec 2019	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	6.56 mg/L	1.20	+447%	Apr 2019	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	8.31 mg/L	5.90	+41%	Apr 2019	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	7.71 mg/L	7.50	+3%	Mar 2019	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	7.41 mg/L	2.90	+156%	Mar 2019	Resolved
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	48.20 mg/L	45.00	+7%	May 2018	Open
Solids, total suspended	DMR, Limited - Numeric Violation	180.00 mg/L	120.00	+50%	Jun 2017	Open
Solids, total suspended	DMR, Limited - Numeric Violation	104.00 mg/L	80.00	+30%	Jun 2017	Open
Solids, total suspended	DMR, Limited - Numeric Violation	82.50 mg/L	80.00	+3%	Sep 2016	Open

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