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ZIP Code 59860 Water Quality
Montana · 6,390 people served · 10 water systems
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ExcellentZIP code 59860 is in Montana and is a small town from a drinking-water-service perspective, with 6,390 people served by 10 EPA-registered public water systems. It corresponds to POLSON.
Within ZIP code 59860, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 10 water systems serving this postal area.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 59860
Water Systems Serving 59860
JETTE MEADOWS LAKE CO W AND S DIST
PWSID: MT0003100
375 served
POLSON CITY OF
PWSID: MT0000308
5,300 served
PINEWOOD SHORES WUA
PWSID: MT0003224
46 served
CLEARVIEW HEIGHTS WATER ASSN
PWSID: MT0003233
90 served
JETTE LAKE LANDOWNERS ASSOCIATION
PWSID: MT0003102
295 served
SOUTH HILLS WATER USERS ASSOCIATION
PWSID: MT0003104
60 served
PARADISE PINES
PWSID: MT0001018
95 served
PONDERILLA HILLS LAKE COUNTY WATER SEWER
PWSID: MT0003103
35 served
PLEASANT VIEW WATER AND SEWER DISTRICT
PWSID: MT0004671
45 served
OVERLOOK SUBDIVISION
PWSID: MT0003792
49 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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