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ZIP Code 71730 Water Quality
Arkansas · 28,608 people served · 14 water systems
F
FailingZIP code 71730 is in Arkansas and is a small city from a drinking-water-service perspective, with 28,608 people served by 14 EPA-registered public water systems. It overlaps with 2 communities including EL DORADO, ELDORADO.
Within ZIP code 71730, the EPA Safe Drinking Water Information System (SDWIS) records 35 health-based violations during the past five years across 14 water systems serving this postal area. The grade of F reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 71730
Water Systems Serving 71730
LISBON WATER ASSOCIATION
PWSID: AR0000716
439 served
OAK MANOR WATER ASSOCIATION
PWSID: AR0000558
338 served
WESSON-NEWELL WATER ASSOC
PWSID: AR0000103
658 served
WILDWOOD WATER ASSOCIATION
PWSID: AR0000562
1,350 served
LAWSON-URBANA WATER ASSOC
PWSID: AR0000548
1,108 served
PARKERS CHAPEL PUBLIC WATER
PWSID: AR0000560
2,391 served
FAIRCREST WATER ASSOCIATION
PWSID: AR0000544
1,329 served
EL DORADO WATERWORKS
PWSID: AR0000550
17,932 served
HARMONY WATER ASSOCIATION
PWSID: AR0000546
336 served
BANKS WATERWORKS
PWSID: AR0000068
244 served
OLD UNION PUBLIC WATER AUTHORITY
PWSID: AR0000559
1,200 served
MOUNT HOLLY WATERWORKS
PWSID: AR0000002
384 served
QUINN WATER ASSOCIATION
PWSID: AR0000561
729 served
LOUANN WATERWORKS
PWSID: AR0000406
170 served
About ZIP-code water data
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
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