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.
Idaho · 24,480 people served · 10 water systems
ZIP code 83401 is in Idaho and is a small city from a drinking-water-service perspective, with 24,480 people served by 10 EPA-registered public water systems. It corresponds to IDAHO FALLS.
Within ZIP code 83401, the EPA Safe Drinking Water Information System (SDWIS) records 5 health-based violations during the past five years across 10 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
Loading map...
NORTHSIDE ESTATES WELL
PWSID: ID7100060
30 served
HIGHWAY ESTATES WATER ASSN
PWSID: ID7100035
65 served
RIGBY AIR VILLAGE LLC
PWSID: ID7260091
80 served
MILLER COUNTRY ESTATES
PWSID: ID7100184
83 served
BONNEVILLE ACRES WATER USERS ASSN INC
PWSID: ID7100059
100 served
COTTONWOOD ACRES DIV 4
PWSID: ID7100022
43 served
J AND K WATER CORP
PWSID: ID7100044
370 served
FALLS WATER COMPANY INC
PWSID: ID7100030
22,650 served
MORNING VIEW WATER COMPANY
PWSID: ID7260063
459 served
TAYLOR MOUNTAIN WATER AND SEWER DISTRICT
PWSID: ID7100023
600 served
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.
Apr 15, 2026 · 7 min read
PFAS contamination affects an estimated 200 million Americans. Here's what the latest EPA enforcement means for your tap water.
Photo by Bluewater Sweden on Unsplash
Mar 22, 2026 · 6 min read
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 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
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
Proudly Sponsored By Boatzia
Our sponsor Boatzia helps anglers, boaters, and outdoor enthusiasts find the closest public boat ramps with directions, parking info, and water access details.
Boatzia maps every public boat ramp in the country with directions, photos, lake info, and nearby amenities. Find a ramp wherever you boat, fish, or paddle.
Find a Boat Ramp on Boatzia →