Water Quality in Fort Collins, CO (80521)

EPA violation data for public water systems serving ZIP code 80521.

No Health-Based Violations

None of the 21 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are24 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 81% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

38,776

Population

21

Water Systems

24

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (21)

Ft Collins City Of

All resolved
Surface water 179,901 people served
4 violations (5yr) · All resolved
Lead tested: 2.8 ppb (limit: 15 ppb)

Loveland City Of

All resolved
Surface water 95,471 people served
1 violation (5yr) · All resolved
Lead tested: 3.3 ppb (limit: 15 ppb)

Ft Collins Loveland Wd

Purchased surface water 63,532 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

East Larimer County Wd

All resolved
Purchased surface water 27,944 people served
8 violations (5yr) · All resolved
Lead tested: 3.9 ppb (limit: 15 ppb)

Csu Main And West Housing Campus

Purchased surface water 27,375 people served
9 violations (5yr)
Lead tested: 8 ppb (limit: 15 ppb)

Little Thompson Wd

Purchased surface water 25,654 people served
0 violations

Ft Collins 2-Soldier Canon Plt

Surface water 1,000 people served
0 violations

Skyline

Purchased surface water 402 people served
0 violations

Sky Ranch Lutheran Camp

All resolved
Groundwater 226 people served
1 violation (5yr) · All resolved

Livermore Elem

Groundwater under influence of surface water 106 people served
0 violations

Red Feather Lakes Elm

Groundwater 74 people served
0 violations

Stove Prairie Elm

Groundwater under influence of surface water 62 people served
0 violations

Harris Reliable Wtr Co

Purchased surface water 34 people served
0 violations

Powderhorn Cabins & Cg

Groundwater 33 people served
0 violations

Poudre R 1 School Dist

Groundwater 26 people served
0 violations

Glen Echo Resort

Groundwater 26 people served
0 violations

Powderhorn Cabins & Cpgd

Groundwater 25 people served
0 violations

Fox Acres Utility Corp

Groundwater 25 people served
0 violations

Ft Collins 3-Horsetooth Cnyn

Surface water 1 people served
0 violations

Trail Motel And Tp

Groundwater 0
0 violations

Soldier Canyon Filter Plant

All resolved
Surface water 0
1 violation (5yr) · All resolved

Contaminants Found

TTHMMonitoring
4 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
4 violations
All resolved
Public NoticeMonitoring
4 violations
All resolved
Surface Water Treatment RuleMonitoring
3 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

2 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
Has active
Interim Enhanced Surface Water Treatment RuleMonitoring
1 violation
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

1 violation
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

1 violation
All resolved
CARBON, TOTALMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
2 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Fort Collins (80521) has more violations than 81% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 24, most of which are monitoring/reporting issues.

Fewer violations 81th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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