Apr 15, 2026 · 7 min read
PFAS "Forever Chemicals" in US Drinking Water: 2026 Update
PFAS contamination affects an estimated 200 million Americans. Here's what the latest EPA enforcement means for your tap water.
ZIP Code 57402 Water Quality
North Dakota · 23,884 people served · 25 water systems
D
PoorZIP code 57402 is in North Dakota and is a small city from a drinking-water-service perspective, with 23,884 people served by 25 EPA-registered public water systems. It overlaps with 16 communities including ABERDEEN, IROQUOIS, WHITE, CARPENTER, FRANKFORT, and others.
Within ZIP code 57402, the EPA Safe Drinking Water Information System (SDWIS) records 8 health-based violations during the past five years across 25 water systems serving this postal area. The grade of D reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
Loading map...
Cities in ZIP 57402
Water Systems Serving 57402
THE BLUFFS HOA
PWSID: ND5301779
30 served
COLLINS COLONY
PWSID: SD4602358
95 served
RED WILLOW COLONY
PWSID: SD4602352
93 served
SHAMROCK COLONY
PWSID: SD4602267
75 served
CAMROSE COLONY
PWSID: SD4602345
80 served
PRAIRIEWOOD PROPERTY OWNERS
PWSID: SD4602125
300 served
LAKESIDE ESTATES
PWSID: SD4600022
460 served
LONG LAKE COLONY
PWSID: SD4602051
100 served
DEERFIELD COLONY
PWSID: SD4602056
150 served
BLUMENGARD COLONY
PWSID: SD4602057
133 served
SPINK COLONY
PWSID: SD4602059
108 served
GLENDALE COLONY
PWSID: SD4602060
95 served
PEARL CREEK COLONY
PWSID: SD4602073
94 served
UPLAND COLONY
PWSID: SD4602077
198 served
PLEASANT VALLEY COLONY
PWSID: SD4602086
107 served
LAKEVIEW COLONY
PWSID: SD4602017
118 served
CLEARFIELD COLONY
PWSID: SD4602020
120 served
GREENWOOD COLONY
PWSID: SD4602022
85 served
MAXWELL COLONY
PWSID: SD4602023
150 served
SUNSET COLONY
PWSID: SD4602025
140 served
WHITE ROCK COLONY
PWSID: SD4602027
108 served
RIVERSIDE COLONY
PWSID: SD4602040
80 served
HURON COLONY
PWSID: SD4602042
95 served
EVERGREEN COLONY
PWSID: SD4602050
120 served
WEB WATER DEVELOPMENT ASSOCIATION
PWSID: SD4601089
20,750 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.
From the Blog
Photo by Bluewater Sweden on Unsplash
Mar 22, 2026 · 6 min read
How to Read Your Annual Water Quality Report (CCR)
Your water utility is legally required to send you a Consumer Confidence Report every year. Here's how to actually understand it.
Photo by Louis Hansel on Unsplash
Mar 5, 2026 · 9 min read
Lead in Tap Water: The Complete 2026 Guide
Lead enters drinking water through old pipes and fixtures. Here's how to identify your risk and what to do about it.
Photo by Eduardo Casajús Gorostiaga on Unsplash
Feb 18, 2026 · 5 min read
What Is an EPA Maximum Contaminant Level (MCL)?
MCLs are the foundation of US drinking water safety. Here's how they're set and what they mean for your tap.
Photo by Naja Bertolt Jensen on Unsplash
