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Montana · 7,983 people served · 16 water systems
ZIP code 59911 is in Montana and is a small town from a drinking-water-service perspective, with 7,983 people served by 16 EPA-registered public water systems. It corresponds to BIGFORK.
Within ZIP code 59911, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 16 water systems serving this postal area.
Last updated: 2026-05-18 · Source: EPA SDWIS
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WOOD RIDGE HOA
PWSID: MT0004220
70 served
KOOTENAI WOODS SUBDIVISION
PWSID: MT0004400
53 served
HILLSIDE HOMES
PWSID: MT0000074
35 served
GREEN TREE MEADOWS COUNTY W AND S DIST
PWSID: MT0003194
237 served
ALPINE MOBILE MANOR
PWSID: MT0000100
45 served
MOUNTAIN VIEW TIMBERS HOA
PWSID: MT0004874
36 served
BUFFALO MOUNTAIN SUBDIVISION
PWSID: MT0005038
90 served
BEAR CREEK VILLAGE BIGFORK
PWSID: MT0000126
100 served
WOODS BAY WATER AND SEWER DISTRICT
PWSID: MT0004698
685 served
LEDGEWOOD ESTATES
PWSID: MT0004209
35 served
RIVER BLUFF HOA WHITEFISH
PWSID: MT0003652
32 served
MORNING STAR
PWSID: MT0001672
85 served
RIDGEWOOD ESTATES
PWSID: MT0003175
250 served
BIGFORK COUNTY WATER AND SEWER
PWSID: MT0000262
6,100 served
TIMBERS AT WHITEFISH THE
PWSID: MT0004657
40 served
RANCH CO WATER & SEWER DIST THE
PWSID: MT0003076
90 served
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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