Tapcensus

Water quality for ZIP code 80646

Weld County, Colorado, one of 35 ZIP codes in the county. 79 active public water systems serve the county; 39 had an EPA violation in the past three years.

Most likely your provider

Greeley City of CO0162321 · Community water system · Surface water
Serves 132,310 people Rules violated, past 3 years 2 Last sanitary survey Sep 30, 2025
View system details EPA facility report

Other community water systems in Weld County

57 systems, largest first
SystemServesStatusRules violated, 3 yr
Firestone Town of
 27,798 0
Johnstown Town of
 27,295 1
Windsor Town of
 23,500 0
Evans City of
 19,369 2
Frederick Town of
 17,173 2
North Weld County WD
 15,890 0
FT Lupton City of
 12,099 3
Severance Town of
 11,733 2
Milliken Town of
 9,200 2
Central Weld Cnty WD
 7,662 0
Eaton Town of
 7,328 3
Dacono City of
 6,900 1
Lochbuie Town of
 6,518 0
Keenesburg Town of
 4,650 0
Ault Town of
 4,220 2
Hudson Town of
 3,350 2
Platteville Town of
 2,900 0
Kersey WD
 2,101 1
LA Salle Town of
 2,010 4
Aristocrat Ranchette Water Project
 1,715 3
Gilcrest Town of
 1,150 0
Pierce Town of
 1,094 0
Stoneybrook MHP
 1,073 0
Cave Creek
Evans		 1,025 0
Longview MHP
 1,000 3
All 58 community water systems in Weld County
Non-community systems in Weld County (21: schools, campgrounds, workplaces, restaurants)

These systems serve places you visit rather than homes.

SystemServesStatusRules violated, 3 yrUnresolved
Prairie Elem at New Raymer
 275 2 0
Tagawa Greenhouses INC
 250 1 0
Briggsdale School
 194 1 0
Salt & Acres
 158 3 0
Peak Oilfield Services LLC
 150 3 1
Greeley RV Park South
 126 0 0
Cardinal Community Academy
 120 0 0
Mountain States Jatc Training Facility
 100 0 0
Wild Animal Sanctuary the
 97 0 0
Crow Valley Campground
 57 2 1
RM INC
 52 0 0
Stoneham Village
 51 2 0
Opal Foods LLC Hudson Farm
 49 2 2
Redtail Gas Plant
 48 0 0
Fourway Baptist Church
 45 0 0
Rocky Mountain Energy Center
 39 0 0
Great Guns Sporting
 33 2 1
Ceesi
 30 1 1
Shortgrass Steppe Campus
 30 1 0
Opal Foods LLC Roggen Farm
 27 0 0
Roggen Motel
 27 0 0
About this data

Water systems are matched to Weld County, the county this ZIP code lies in, largest first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility.

ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.

Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Colorado records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.