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ZIP Code 59602 Water Quality
Montana · 34,989 people served · 18 water systems
F
FailingZIP code 59602 is in Montana and is a small city from a drinking-water-service perspective, with 34,989 people served by 18 EPA-registered public water systems. It corresponds to HELENA.
Within ZIP code 59602, the EPA Safe Drinking Water Information System (SDWIS) records 12 health-based violations during the past five years across 18 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 59602
Water Systems Serving 59602
TOWN VIEW ESTATES WUA INC
PWSID: MT0002172
175 served
ROSEMARYS ADDITION
PWSID: MT0002743
30 served
PRAIRIE MOBILE VILLAGE
PWSID: MT0000600
163 served
MOUNTAIN HERITAGE WATER SYSTEM
PWSID: MT0002873
175 served
BARNETT WATER USERS SYSTEM
PWSID: MT0003183
70 served
TRAILS END TR PARK HELENA
PWSID: MT0000605
35 served
NORTH FORESTVALE HOMEOWNERS
PWSID: MT0001793
98 served
BRYANT NO 3 SUBDIVISION
PWSID: MT0004489
100 served
MOONLIGHT ESTATES HOA
PWSID: MT0004872
44 served
HELENA LEISURE LLC
PWSID: MT0000590
1,200 served
SOUTH FORESTVALE HOA
PWSID: MT0003881
82 served
CAMELOT HOA
PWSID: MT0000615
96 served
HELENA WATER SYSTEM
PWSID: MT0000241
32,091 served
BLUE CLOUD SUBDIVISION
PWSID: MT0004288
60 served
APPLEGATE VILLAGE
PWSID: MT0004144
85 served
GRAND VALLEY ESTATES SUBDIVISION
PWSID: MT0004474
50 served
HOLMBERG VILLAGE ESTATES
PWSID: MT0004190
225 served
GLACIER POINT HO AND WUA
PWSID: MT0004559
210 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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