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ZIP Code 50156 Water Quality
Iowa · 4,834 people served · 8 water systems
C
FairZIP code 50156 is in Iowa and is a small town from a drinking-water-service perspective, with 4,834 people served by 8 EPA-registered public water systems. It corresponds to MADRID.
Within ZIP code 50156, the EPA Safe Drinking Water Information System (SDWIS) records 3 health-based violations during the past five years across 8 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 50156
Water Systems Serving 50156
WILSHIRE HILLS MHC
PWSID: IA9164601
216 served
SUNRISE MHC
PWSID: IA0819602
95 served
MADRID WATER DEPARTMENT
PWSID: IA0848015
3,090 served
MAPLE GROVE MHC
PWSID: IA0800601
160 served
PALACE PARK MHC
PWSID: IA9433601
426 served
KELLEY WATER SUPPLY
PWSID: IA8548016
304 served
STOVER HEIGHTS MHC
PWSID: IA7727605
393 served
HAMMOND ESTATES
PWSID: IA8580601
150 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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