Clean Water Act discharge permit · NPDES ARG550517

ARKANSAS DEPARTMENT OF PARKS, HERITAGE AND TOURISM-PLUM BAYOU MOUNDS ARCHEOLOGIC, Scott, AR: NPDES ARG550517 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
1Pollutants with an effluent exceedance

ARKANSAS DEPARTMENT OF PARKS, HERITAGE AND TOURISM-PLUM BAYOU MOUNDS ARCHEOLOGIC, held by Arkansas Department of Parks and Tourism, holds NPDES permit ARG550517, which discharges to Ditch,Trib,North Bayou,Plum Bayou,Arkansas R. EPA’s file records it issued October 3, 2018 and expiring June 30, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	ARKANSAS DEPARTMENT OF PARKS, HERITAGE AND TOURISM-PLUM BAYOU MOUNDS ARCHEOLOGIC
Permittee as filed	Arkansas Department of Parks and Tourism
NPDES ID	ARG550517
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	October 3, 2018
Expiration date	June 30, 2024
Address	Scott, AR 72142
Receiving water	Ditch,Trib,North Bayou,Plum Bayou,Arkansas R
Subwatershed	North Bayou-Plum Bayou (HUC 111102070501)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

6Pollutants on file
6Under a numeric limit
6With a violation of any kind
1With 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	2	3	1	June 30, 2018	27% over the limit
BOD, 5-day, 20 deg. C	2	4	0
pH	2	4	0
Flow, in conduit or thru treatment plant	2	4	0
Coliform, fecal general	2	4	0
Oxygen, dissolved [DO]	1	2	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 ARG550517.

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.

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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 ARG550517 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers Clean Water Act NPDES permit ARG550517, held by the Arkansas Department of Parks and Tourism for the Plum Bayou Mounds Archeologic facility in Scott, AR, with the permit listed as administratively continued and a minor discharger class. The page shows 6 for discharger class, 1 pollutant under a numeric limit, and 1 pollutant with an effluent exceedance.