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ZIP Code 59635 Water Quality
Montana · 6,847 people served · 19 water systems
F
FailingZIP code 59635 is in Montana and is a small town from a drinking-water-service perspective, with 6,847 people served by 19 EPA-registered public water systems. It overlaps with 2 communities including EAST HELENA, E HELENA.
Within ZIP code 59635, the EPA Safe Drinking Water Information System (SDWIS) records 27 health-based violations during the past five years across 19 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 59635
Water Systems Serving 59635
BROADWATER ESTATES HOA
PWSID: MT0004697
40 served
SKYVIEW WATER AND SEWER UTILITY
PWSID: MT0004039
400 served
PEBBLE GARDENS MOBILE HOME CT
PWSID: MT0000603
125 served
GOLDEN ESTATES HOMEOWNERS ASSOCIATION
PWSID: MT0004187
400 served
BUZZ INN
PWSID: MT0000592
95 served
MASONIC HOME OF MONTANA
PWSID: MT0000245
90 served
DAVIS MEADOW VILLAGE
PWSID: MT0003990
180 served
BAHNY BRAE SUBDIVISION
PWSID: MT0003196
35 served
BRIDGE CREEK ESTATES SUBDIVISION
PWSID: MT0004555
205 served
GRASS LAND ESTATES
PWSID: MT0004448
228 served
PHOENIX PARK
PWSID: MT0000594
36 served
EASTGATE VILLAGE SEWER AND WATER
PWSID: MT0001784
2,000 served
MCDONALD TRAILER CT
PWSID: MT0000402
75 served
HOMESTEAD VALLEY WUA HVHA
PWSID: MT0003251
105 served
RUGER WATER DISTRICT
PWSID: MT0004143
79 served
LA CASA GRANDE WATER AND SEWER DISTRICT
PWSID: MT0001924
404 served
SUNNYBROOK ACRES HOA
PWSID: MT0002482
50 served
PELE PARK
PWSID: MT0000593
186 served
EAST HELENA CITY OF
PWSID: MT0000196
2,114 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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