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ZIP Code 50112 Water Quality
Iowa · 14,224 people served · 7 water systems
F
FailingZIP code 50112 is in Iowa and is a small city from a drinking-water-service perspective, with 14,224 people served by 7 EPA-registered public water systems. It corresponds to GRINNELL.
Within ZIP code 50112, the EPA Safe Drinking Water Information System (SDWIS) records 47 health-based violations during the past five years across 7 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 50112
Water Systems Serving 50112
WESTERN HILLS (MOBILE) ESTATES
PWSID: IA5208600
760 served
SUNRISE VILLAGE MOBILE HOME PK
PWSID: IA5200602
340 served
MODERN MANOR, INC
PWSID: IA5225601
915 served
LAKE RIDGE, INCORPORATED
PWSID: IA5225315
1,300 served
GRINNELL MHP MHC
PWSID: IA7930601
313 served
GRINNELL WATER DEPARTMENT
PWSID: IA7930008
9,564 served
AUTUMN RIDGE ESTATES MHP
PWSID: IA7709601
1,032 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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