Clean Water Act discharge permit · NPDES AR0050831

LONOKE COUNTY PROPERTY OWNERS� MULTIPURPOSE IMPROVEMENT DISTRICT NO. 12, Scott, AR: NPDES AR0050831 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
6Pollutants with an effluent exceedance

LONOKE COUNTY PROPERTY OWNERS� MULTIPURPOSE IMPROVEMENT DISTRICT NO. 12, held by LONOKE COUNTY PROPERTY OWNERS' MULTIPURPOSE IMPROVEMENT DIST #12, holds NPDES permit AR0050831, which discharges to Plum Bu,Arkansas R. EPA’s file records it issued February 13, 2019 and expiring February 29, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	LONOKE COUNTY PROPERTY OWNERS� MULTIPURPOSE IMPROVEMENT DISTRICT NO. 12
Permittee as filed	LONOKE COUNTY PROPERTY OWNERS' MULTIPURPOSE IMPROVEMENT DIST #12
NPDES ID	AR0050831
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	February 13, 2019
Expiration date	February 29, 2024
Address	Scott, AR 72046
Receiving water	PLUM BU,ARKANSAS R
Subwatershed	North Bayou-Plum Bayou (HUC 111102070501)
NAICS	237210 – Land Subdivision
SIC	6552 – Subdividers And Developers

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

11Pollutants on file
11Under a numeric limit
11With a violation of any kind
6With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total suspended	6	104	23	April 30, 2026	513% over the limit
Nitrogen, ammonia total [as N]	15	102	18	May 31, 2026	1,520% over the limit
Coliform, fecal general	4	67	13	July 31, 2025	99,999% over the limit
Oxygen, dissolved [DO]	1	40	13	April 30, 2026	52% over the limit
Chlorine, total residual	2	71	7	January 31, 2026	79,900% over the limit
BOD, carbonaceous [5 day, 20 C]	6	86	2	February 28, 2023	50% over the limit
Phosphorus, total [as P]	3	78	0
Flow, in conduit or thru treatment plant	2	56	0
pH	2	52	0
Overflows	1	3	0
Overflow volume [SS0 volume, CSO volume]	1	3	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES AR0050831.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, AR0050831.

Start the watch

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID AR0050831 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act NPDES permit AR0050831, held by Lonoke County Property Owners' Multipurpose Improvement Dist #12 in Scott, AR, discharging to Plum Bu,Arkansas R within the North Bayou subwatershed. The permit is administratively continued, classed as a Minor discharger, and lists 11 pollutants under a numeric limit, 6 of which have an effluent exceedance, with its issue and expiration dates as recorded in EPA's file.