Water Quality in Fort Collins, CO (80540)

EPA violation data for public water systems serving ZIP code 80540.

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

4,642

Population

23

Water Systems

124

Violations (5yr)

20

Health-Based

Location

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Water Systems Serving This Area (23)

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)

Boulder City Of

All resolved
Surface water 166,080 people served
2 violations (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Longmont City Of

All resolved
Surface water 102,866 people served
2 violations (5yr) · All resolved
Lead tested: 1.6 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)

Erie Town Of

Surface water 40,061 people served
0 violations
Lead tested: 2.6 ppb (limit: 15 ppb)

Lafayette City Of

All resolved
Surface water 28,700 people served
4 violations (5yr) · All resolved
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

Lyons Town Of

Purchased surface water 2,990 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Pinewood Springs Wd

20 health-based
Surface water 745 people served
37 violations (5yr) · 20 health-based · All resolved
Lead tested: 3 ppb (limit: 15 ppb)

Stone Mountain Lodge And Cabins

Groundwater under influence of surface water 160 people served
54 violations (5yr)

River Church

All resolved
Groundwater 82 people served
2 violations (5yr) · All resolved

Riverbend Mhp

Groundwater 71 people served
0 violations

Fairways Living Wtr & San Dist

Purchased surface water 65 people served
0 violations

Peaceful Vly Lodge & Gst Ranch

Groundwater 50 people served
0 violations

Rocky Mtn Pathways Ranch

All resolved
Groundwater 39 people served
1 violation (5yr) · All resolved

Beech Hills Water Association

Groundwater 35 people served
0 violations

Red Cliff Motel

Groundwater 26 people served
0 violations

Steamboat Wc

Groundwater 25 people served
0 violations

Peaceful Valley Riverside Lodge

Surface water 14 people served
0 violations

Rock N River Resort

Groundwater 0
0 violations

Contaminants Found

Surface Water Treatment RuleHealth-Based
30 violations
All resolved
TTHMHealth-Based
14 violations
All resolved
Total Haloacetic Acids (HAA5)Health-Based
13 violations
All resolved
Groundwater RuleHealth-Based
1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

22 violations
Has active
Interim Enhanced Surface Water Treatment RuleMonitoring
18 violations
All resolved
Public NoticeMonitoring
10 violations
Has active
E. COLIMonitoring
5 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

3 violations
All resolved
Lead and Copper RuleMonitoring

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

3 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
All resolved
2,4-DMonitoring
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 (80540) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 124.

Fewer violations 97th 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.

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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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