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ZIP Code 44857 Water Quality
Ohio · 48,669 people served · 6 water systems
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ExcellentZIP code 44857 is in Ohio and is a small city from a drinking-water-service perspective, with 48,669 people served by 6 EPA-registered public water systems. It corresponds to NORWALK.
Within ZIP code 44857, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 6 water systems serving this postal area.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 44857
Water Systems Serving 44857
NORTHERN OHIO RURAL WATER - SE DISTRICT
PWSID: OH3946612
586 served
NORTHERN OHIO RURAL WATER
PWSID: OH3902403
18,224 served
NORTHERN OHIO RURAL WATER - NW DISTRICT
PWSID: OH2201803
6,409 served
NORTHERN OHIO RURAL WATER - CAMP ROAD
PWSID: OH3946916
758 served
NORTHERN OHIO RURAL WATER-SOUTH DISTRICT
PWSID: OH3946712
5,226 served
NORWALK CITY PWS
PWSID: OH3901111
17,466 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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