Fort Collins, Colorado Tap Water Quality

Free EPA data for 30 community water systems serving 319,942+ residents. Click any system to see violations, lead test results, and a safety grade.

FT COLLINS CITY OF A

FORT COLLINS, CO · 179,901 people · Surface Water ✓ No recent health violations

FT COLLINS LOVELAND WD A

FORT COLLINS, CO · 63,532 people · Surface Water Purchased ✓ No recent health violations

EAST LARIMER COUNTY WD A

FORT COLLINS, CO · 27,944 people · Surface Water Purchased ✓ No recent health violations

CSU MAIN AND WEST HOUSING CAMPUS A

FORT COLLINS, CO · 27,375 people · Surface Water Purchased ✓ No recent health violations

CSU SOUTH CAMPUS A

FORT COLLINS, CO · 5,164 people · Surface Water Purchased ✓ No recent health violations

CSU FOOTHILLS CAMPUS A

FORT COLLINS, CO · 4,483 people · Surface Water Purchased ✓ No recent health violations

SPRING CANYON WSD A

FORT COLLINS, CO · 2,320 people · Surface Water Purchased ✓ No recent health violations

TIMBER RIDGE MHP A

FORT COLLINS, CO · 1,736 people · Surface Water Purchased ✓ No recent health violations

STILLWATER CG A

FORT COLLINS, CO · 990 people · Groundwater ✓ No recent health violations

ARAPAHO BAY CG A

FORT COLLINS, CO · 720 people · Groundwater ✓ No recent health violations

GREEN RIDGE CG A

FORT COLLINS, CO · 624 people · Groundwater ✓ No recent health violations

CHAMBERS LAKE CG A

FORT COLLINS, CO · 408 people · Groundwater ✓ No recent health violations

FORT COLLINS, CO · 402 people · Surface Water Purchased ✓ No recent health violations

FORT COLLINS, CO · 392 people · Groundwater ✓ No recent health violations

FORT COLLINS, CO · 376 people · Groundwater ✓ No recent health violations

KELLY DAHL CG A

FORT COLLINS, CO · 368 people · Groundwater ✓ No recent health violations

FORT COLLINS, CO · 328 people · Groundwater ⚠ 1 active health violation

COLD SPRINGS CG A

FORT COLLINS, CO · 304 people · Groundwater ✓ No recent health violations

DOWDY LAKE EAST CG B

FORT COLLINS, CO · 272 people · Groundwater 1 health violation in past 5 yrs

NUEVA VIDA MOBILE HOME PARK F

FORT COLLINS, CO · 266 people · Surface Water Purchased ⚠ 1 active health violation

BELLAIRE LAKE CG A

FORT COLLINS, CO · 256 people · Groundwater ✓ No recent health violations

PICKLE GULCH CG A

FORT COLLINS, CO · 250 people · Groundwater ✓ No recent health violations

DOWDY LAKE WEST SHORE CP ARAP B

FORT COLLINS, CO · 240 people · Groundwater 1 health violation in past 5 yrs

KELLY FLATS CG A

FORT COLLINS, CO · 240 people · Groundwater ✓ No recent health violations

SKY RANCH LUTHERAN CAMP A

FORT COLLINS, CO · 226 people · Groundwater ✓ No recent health violations

CSU MOUNTAIN CAMPUS B

FORT COLLINS, CO · 206 people · Groundwater 1 health violation in past 5 yrs

SUNSET POINT CG A

FORT COLLINS, CO · 200 people · Groundwater ✓ No recent health violations

CUTTHROAT BAY GROUP AREA A

FORT COLLINS, CO · 150 people · Groundwater ✓ No recent health violations

FORT COLLINS, CO · 144 people · Groundwater ✓ No recent health violations

DUTCH GEORGE CG B

FORT COLLINS, CO · 125 people · Groundwater 1 health violation in past 5 yrs

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Fort Collins Drinking Water: Frequently Asked Questions

Is Fort Collins, Colorado tap water safe to drink?

Fort Collins has 30 community water systems regulated by the EPA. Each system is required to test regularly for hundreds of contaminants and publicly report any violations. Click any water system listed above to see its specific violation history, lead test results, and a plain-English safety grade.

How many water utilities serve Fort Collins, Colorado?

30 community water systems serve Fort Collins, Colorado, providing water to approximately 319,942 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.

Does Fort Collins tap water have lead?

Lead in drinking water typically enters from old pipes and fixtures inside homes and buildings, not from the treatment plant. The EPA requires water systems to monitor for lead under the Lead and Copper Rule. Click any water system above to see its most recent 90th-percentile lead test results. Homes built before 1986 are most likely to have lead plumbing components.

What contaminants have been found in Fort Collins drinking water?

EPA violation records for Fort Collins water systems are listed on each utility's report page. Common regulated contaminants include disinfection byproducts (TTHMs, HAA5), coliform bacteria, nitrates, and lead. Click any utility above to see its full violation history going back 10 years.

How do I find out which water company serves my address in Fort Collins?

Enter your Fort Collins ZIP code in the search box at the top of this page. ClearWater will identify the specific water system serving your area and show you its EPA violation history, lead test results, and an overall safety grade. You can also check your water bill or your utility's annual Consumer Confidence Report (CCR).