ZIP Code 23146 Water Quality

Virginia · 72,328 people served · 165 water systems

Failing

ZIP code 23146 is in Virginia and is a mid-sized community from a drinking-water-service perspective, with 72,328 people served by 165 EPA-registered public water systems. It corresponds to ROCKVILLE.

Within ZIP code 23146, the EPA Safe Drinking Water Information System (SDWIS) records 14 health-based violations during the past five years across 165 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 23146

ROCKVILLE

Water Systems Serving 23146

EARLYSVILLE FOREST

PWSID: VA2003255

488 served

OVERLOOK HEIGHTS COMBINED

PWSID: VA6047391

160 served

CAPTAINS COVE

PWSID: VA3001100

2,380 served

WOLFTRAP WOODS

PWSID: VA6137900

38 served

CHURCHILL SUBDIVISION

PWSID: VA6047041

130 served

STAGECOACH HILLS

PWSID: VA2065781

70 served

PALMYRA

PWSID: VA2065540

90 served

MERRIMAC SOUTH

PWSID: VA6047330

118 served

WILDWOOD FOREST

PWSID: VA6047955

188 served

DUTCH HOLLOW SUBDIVISION

PWSID: VA6047065

200 served

ACHSAH ACRES

PWSID: VA6113100

75 served

LAKE WILDERNESS

PWSID: VA6177251

2,513 served

HAZEL RIVER

PWSID: VA6047260

28 served

FOREST VIEW SUBDIVISION

PWSID: VA6047230

43 served

WHITE OAK ESTATES

PWSID: VA2023740

930 served

COLUMBIA

PWSID: VA2065120

110 served

LAKE MONTICELLO

PWSID: VA2065480

12,933 served

CATALPA SUBDIVISION

PWSID: VA6047025

48 served

CEDARBROOKE SUBDIVISION

PWSID: VA6047038

163 served

GIBSON MILLS SUBDIVISION

PWSID: VA6047250

25 served

HERITAGE ESTATES

PWSID: VA6047300

80 served

MOUNTAIN VIEW TRAILER PARK

PWSID: VA6047340

80 served

NORMAN ACRES SUBDIVISION

PWSID: VA6047355

50 served

NORTHTOWN VILLAGE

PWSID: VA6047360

53 served

STONEY CREEK VILLAGE

PWSID: VA2125950

895 served

EDINBURG EXTENDED

PWSID: VA2171315

68 served

HOLLER SUBDIVISION

PWSID: VA2171350

145 served

MASSANUTTEN VIEW SUBDIVISION

PWSID: VA2171475

145 served

RYAN SUBDIVISION

PWSID: VA2171683

90 served

MOUNTAIN VIEW

PWSID: VA2023020

2,773 served

BLUE RIDGE HEIGHTS

PWSID: VA2023060

338 served

OAK PARK SUBDIVISION

PWSID: VA6113170

60 served

HEATHERSTONE/BOTETOURT FOREST

PWSID: VA2023410

356 served

OAKWOOD/PARKVIEW

PWSID: VA2023470

630 served

RAINBOW FOREST

PWSID: VA2023480

1,665 served

BRITISH WOODS

PWSID: VA2023140

135 served

SPRINGWOOD SUBDIVISION

PWSID: VA6047475

28 served

WESTOVER ESTATES

PWSID: VA6047865

35 served

DRYSDALE SUBDIVISION

PWSID: VA6061125

63 served

VALLEY VIEW

PWSID: VA6113500

33 served

PELHAM MANOR

PWSID: VA6047400

183 served

LEWISETTA

PWSID: VA4133480

138 served

HEATHSVILLE

PWSID: VA4133360

306 served

FOREST HILLS SUBD

PWSID: VA4103338

85 served

GLEBE POINT

PWSID: VA4133320

111 served

CALLAO

PWSID: VA4133160

393 served

WHITE SAND HARBOUR

PWSID: VA4133890

200 served

WICOMICO RIDGE

PWSID: VA4133920

25 served

WICOMICO CHURCH

PWSID: VA4133900

75 served

REEDVILLE, TOWN OF

PWSID: VA4133720

480 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.