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ZIP Code 46307 Water Quality
Indiana · 35,554 people served · 7 water systems
C
FairZIP code 46307 is in Indiana and is a small city from a drinking-water-service perspective, with 35,554 people served by 7 EPA-registered public water systems. It corresponds to CROWN POINT.
Within ZIP code 46307, the EPA Safe Drinking Water Information System (SDWIS) records 3 health-based violations during the past five years across 7 water systems serving this postal area. The grade of C 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 46307
Water Systems Serving 46307
LAZY OAKS
PWSID: IN5291008
48 served
FOREST OAKS MHC, LLC
PWSID: IN5264003
500 served
INDIAN SPRINGS TOWN HOMES
PWSID: IN5246038
90 served
CROWN POINT WATER WORKS
PWSID: IN5245008
30,000 served
CUII - INDIANA WATER SERVICE
PWSID: IN5245057
4,200 served
CUII - WATER SERVICE CO.
PWSID: IN5237002
654 served
COUNTRY VIEW MANOR CONDOS
PWSID: MI0001657
62 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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