LINCOLN, CITY OF - LINCOLN WASTEWATER TREATMENT PLANT

Address

1309 MITCHELL STREET
LINCOLN, AR 72744
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County

WASHINGTON County

Industry

Utilities

NAICS (North American Industry Classification)

221320

Inspections

2 · last Jul 13, 2022

Total Penalties

$0

Registry ID

110006656546

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	Schedule Event achieved late but reported	May 1, 2012	—	Open
cwa	Schedule Event unachieved and not reported	May 1, 2011	Jul 8, 2011	Resolved
cwa	Schedule Event reported late	May 1, 2011	—	Open
cwa	Schedule Event achieved late but reported	May 1, 2011	—	Open
cwa	Schedule Event unachieved but reported	May 1, 2011	Jun 27, 2011	Resolved
cwa	Schedule Event reported late	May 1, 2010	—	Open
cwa	Schedule Event unachieved and not reported	May 1, 2010	Aug 11, 2010	Resolved
cwa	Schedule Event unachieved but reported	May 1, 2010	Aug 11, 2010	Resolved
cwa	Schedule Event achieved late but reported	May 1, 2010	—	Open
cwa	Schedule Event unachieved but reported	May 1, 2009	Jun 3, 2009	Resolved
cwa	Schedule Event unachieved and not reported	May 1, 2009	Jun 30, 2009	Resolved
cwa	Schedule Event achieved late but reported	May 1, 2009	—	Open
cwa	Schedule Event reported late	May 1, 2009	—	Open
cwa	Schedule Event achieved late but reported	May 1, 2007	—	Open
cwa	Schedule Event unachieved and not reported	May 1, 2007	Mar 21, 2008	Resolved
cwa	Schedule Event achieved late but reported	Jan 19, 1998	—	Open
cwa	Schedule Event achieved late but reported	Dec 19, 1997	—	Open
cwa	Schedule Event achieved late but reported	Oct 10, 1997	—	Open
cwa	Schedule Event achieved late but reported	Jul 17, 1996	—	Open
cwa	Schedule Event achieved late but reported	Mar 31, 1996	—	Open
cwa	Schedule Event achieved late but reported	Mar 26, 1996	—	Open
cwa	Schedule Event achieved late but reported	Jan 7, 1996	—	Open
cwa	Schedule Event unachieved and not reported	Jan 7, 1996	Mar 12, 2002	Resolved
cwa	Schedule Event achieved late but reported	Jun 28, 1995	—	Open
cwa	Schedule Event achieved late but reported	Dec 27, 1994	—	Open
cwa	Schedule Event achieved late but reported	Apr 11, 1993	—	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	5.30 mg/L	3.90	+36%	Sep 2025	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	4.50 mg/L	3.90	+15%	Sep 2025	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	4.00 mg/L	3.90	+3%	Aug 2025	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	5.80 mg/L	3.90	+49%	Aug 2025	Open
Phosphorus, total [as P]	DMR, Limited - Numeric Violation	1.60 mg/L	1.50	+7%	May 2025	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	501.00 MPN/100mL	200.00	+151%	May 2025	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	1,410.00 MPN/100mL	400.00	+253%	May 2025	Open
Nitrite + Nitrate total [as N]	DMR, Limited - Numeric Violation	21.66 kg/d	18.93	+14%	May 2024	Open
BOD, carbonaceous [5 day, 20 C]	DMR, Limited - Numeric Violation	19.98 kg/d	18.93	+6%	Feb 2024	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	7.49 kg/d	7.40	+1%	May 2023	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	9.40 mg/L	3.90	+141%	May 2023	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	6.40 mg/L	3.90	+64%	May 2023	Open
Nitrite + Nitrate total [as N]	DMR, Limited - Numeric Violation	19.89 kg/d	18.93	+5%	Mar 2023	Open
Nitrite + Nitrate total [as N]	DMR, Limited - Numeric Violation	10.20 mg/L	10.00	+2%	Jul 2022	Open
Nitrite + Nitrate total [as N]	DMR, Limited - Numeric Violation	19.79 kg/d	18.93	+5%	Feb 2020	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	6.50 mg/L	3.90	+67%	Jul 2017	Open
Nitrite + Nitrate total [as N]	DMR, Limited - Numeric Violation	10.20 mg/L	10.00	+2%	Dec 2016	Open

Enforcement Actions

Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.

State CWA Non Penalty AO

Clean Water Act · Case AR-N00005038 · Nov 13, 1997

State CWA Non Penalty AO

Clean Water Act · Case AR-N00003416 · Jun 10, 1996

State CWA Non Penalty AO

Clean Water Act · Case AR-N00003415 · May 10, 1996

State CWA Non Penalty AO

Clean Water Act · Case AR-N00004194 · Jun 19, 1995

State CWA Non Penalty AO

Clean Water Act · Case AR-N00004540 · Dec 28, 1994

State CWA Non Penalty AO

Clean Water Act · Case AR-N00002913 · Mar 12, 1993

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