Water Quality in Fort Collins, CO (80549)

EPA violation data for public water systems serving ZIP code 80549.

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

14,325

Population

9

Water Systems

43

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (9)

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)

Greeley City Of

All resolved
Surface water 132,310 people served
5 violations (5yr) · All resolved
Lead tested: 3 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

Wellington Town Of

2 health-based
Surface water 11,500 people served
16 violations (5yr) · 2 health-based · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Northern Colorado Wa

Purchased surface water 4,675 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Contaminants Found

Interim Enhanced Surface Water Treatment RuleHealth-Based
5 violations
All resolved
Surface Water Treatment RuleMonitoring
6 violations
All resolved
TTHMMonitoring
5 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
5 violations
All resolved
ChloriteMonitoring
5 violations
All resolved
Public NoticeMonitoring
5 violations
All resolved
Lead and Copper RuleMonitoring

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

4 violations
All resolved
Chlorine dioxideMonitoring
2 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
Has active
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
1 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Fort Collins (80549) has more violations than 89% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 43.

Fewer violations 89th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Whole House Carbon Filter

A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.

Targets:Chlorine, Sediment, Taste & Odor

Look for:NSF/ANSI 42 certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

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