World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in United States · Arkansas

369 inventory records · HydroWASTE v1.0 / United States

Data years: 2012. The inventory date does not establish current operation.

369 results

Name	Native size	Year
Hot Springs Southwest WWTPHW:25664	975 population served	2012
Bearden WWTPHW:25695	966 population served	2012
East Camden Shumaker PSCHW:25603	931 population served	2012
Gillham Regional WWD WWTPHW:25774	914 population served	2012
Diaz WWTPHW:25637	891 population served	2012
Stephens WWTPHW:25698	891 population served	2012
Oak Grove Heights WWTPHW:25777	889 population served	2012
Fouke WWTPHW:25677	859 population served	2012
Highland WWTPHW:25453	848 population served	2012
Magazine WWTPHW:25667	847 population served	2012
Norphlet WWTPHW:25748	844 population served	2012
Gould WWTPHW:25659	837 population served	2012
Hermitage WWTPHW:25492	830 population served	2012
Plumerville WWTPHW:25523	826 population served	2012
Clinton West WWTPHW:25751	813 population served	2012
Hackett WWTPHW:25735	812 population served	2012
Swifton WWTPHW:25639	798 population served	2012
Oppelo WWTPHW:25625	781 population served	2012
Weiner WWTPHW:25706	777 population served	2012
Hardy WWTPHW:25743	772 population served	2012
Mountain Pine WWTPHW:25559	770 population served	2012
Madison WWTPHW:25726	769 population served	2012
Quitman WWTPHW:25517	762 population served	2012
Tyronza WWTPHW:25705	762 population served	2012
Bradford WWTPHW:25605	759 population served	2012
Keiser WWTPHW:25683	759 population served	2012
Altus WWTPHW:25555	758 population served	2012
Lockesburg WWTPHW:25740	739 population served	2012
Turrell WWTPHW:25541	734 population served	2012
Gillett WWTPHW:25470	691 population served	2012
McRae WWTPHW:25762	682 population served	2012
Palestine WWTPHW:25727	681 population served	2012
Imboden WWTPHW:25615	677 population served	2012
Oxford WWTPHW:25611	670 population served	2012
Black Rock WWTPHW:25651	662 population served	2012
Cherry Valley WWTPHW:25542	651 population served	2012
Cotton Plant WWTPHW:25766	649 population served	2012
Elaine WWTPHW:25699	636 population served	2012
Caddo Valley WWTPHW:25504	635 population served	2012
Huntington WWTPHW:25736	635 population served	2012
Mountainburg WWTPHW:25532	631 population served	2012
Bradley WWTPHW:25647	628 population served	2012
Higginson WWTPHW:25758	621 population served	2012
De Valls Bluff WWTPHW:25713	619 population served	2012
Plainview Yell Co WWTPHW:25772	608 population served	2012
Holly Grove WWTPHW:25689	602 population served	2012
Pangburn WWTPHW:25763	601 population served	2012
Huttig WWTPHW:25746	597 population served	2012
Western Lawrence Co WWTDHW:25601	590 population served	2012
Highfill WWTPHW:25485	583 population served	2012
Junction City WWTPHW:25747	581 population served	2012
Joiner WWTPHW:25682	576 population served	2012
Subiaco WWTPHW:25669	572 population served	2012
Taylor WWTPHW:25521	566 population served	2012
H A C T WWTPHW:25773	562 population served	2012
Strong WWTPHW:25598	558 population served	2012
Humphrey WWTPHW:25451	557 population served	2012
Wilmot WWTPHW:25478	550 population served	2012
Emmet WWTPHW:25692	518 population served	2012
McNeil WWTPHW:25520	516 population served	2012
Norfork WWTPHW:25480	511 population served	2012
Sulphur Springs WWTPHW:25487	511 population served	2012
Wilmar WWTPHW:25553	511 population served	2012
Leola WWTPHW:25560	501 population served	2012
Horseshoe Bend White Oak WWTPHW:25466	500 population served	2012
Calion WWTPHW:25744	494 population served	2012
Bauxite WWTPHW:25446	487 population served	2012
Crawfordsville WWTPHW:25536	479 population served	2012
Ravenden WWTPHW:25653	470 population served	2012
Jasper WWTPHW:25694	466 population served	2012
Lafe WWTPHW:25563	458 population served	2012
Sulphur Rock WWTPHW:25633	456 population served	2012
Reyno WWTPHW:25723	456 population served	2012
Patterson WWTPHW:25768	452 population served	2012
Salesville WWTPHW:25481	450 population served	2012
Amity WWTPHW:25502	450 population served	2012
Grady WWTPHW:25660	449 population served	2012
Kingsland WWTPHW:25614	447 population served	2012
Tri City WWTPHW:25775	445 population served	2012
Lake View Phillips Co WWTPHW:25776	443 population served	2012
Leslie WWTPHW:25732	441 population served	2012
Portia WWTPHW:25652	437 population served	2012
Lost Bridge WWTPHW:25486	434 population served	2012
Portland WWTPHW:25779	430 population served	2012
Sparkman WWTPHW:25544	427 population served	2012
Maynard WWTPHW:25721	426 population served	2012
Hatfield WWTPHW:25707	413 population served	2012
Dyess WWTPHW:25619	410 population served	2012
Thornton WWTPHW:25608	407 population served	2012
Delight WWTPHW:25620	396 population served	2012
Grubbs WWTPHW:25617	386 population served	2012
Cove WWTPHW:25621	382 population served	2012
Norman WWTPHW:25612	378 population served	2012
Colt WWTPHW:25724	378 population served	2012
Havana WWTPHW:25770	375 population served	2012
Wilton WWTPHW:25663	374 population served	2012
Emerson WWTPHW:25519	368 population served	2012
Arkansas City WWTPHW:25545	366 population served	2012
Tillar WWTPHW:25549	366 population served	2012
Biscoe WWTPHW:25716	363 population served	2012

Regulatory context

General reference. This is not an exhaustive review of applicable law.

United States: Clean Water Act / NPDES

NPDES regulates pollutant discharges from point sources to waters of the United States. The permit sets limits and monitoring conditions. A CWNS code identifies an inventory record, not an NPDES permit.

Permit identifier and permitting authority: EPA or an authorized state.
Outfall and receiving water; sewer connections follow a different control route.
Current permit conditions, limits and dated measurements; these are not included in CWNS.

US EPA · NPDES Permit Basics

References reviewed: 2026-11-06. Individual applicability: undetermined. This profile does not establish authorization or compliance.