Neighborhood Report Grade C

Fort Collins, CO Neighborhood Water Quality — Grade C

9 ZIP codes · 90 EPA violations

Data source: EPA SDWIS Last verified: 2026-06-04

Water quality varies significantly across Fort Collins, CO. We analyzed 9 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.

City Overview: Grade C (61/100)

Grade	Neighborhoods	%
A	0	0%
B	0	0%
C	9	100%
D	0	0%
F	0	0%

Neighborhood Rankings

Every ZIP code in Fort Collins ranked by Home Safety Score:

Rank	ZIP Code	Score	Grade	Violations	Lead Risk
1	80522	65	C	10	0.0028 mg/L
2	80528	65	C	10	0.0028 mg/L
3	80523	61	C	10	0.0028 mg/L
4	80527	61	C	10	0.0028 mg/L
5	80553	61	C	10	0.0028 mg/L
6	80521	60	C	10	0.0028 mg/L
7	80524	60	C	10	0.0028 mg/L
8	80525	60	C	10	0.0028 mg/L
9	80526	60	C	10	0.0028 mg/L

How Neighborhoods Compare

Each ZIP code compared to county and state averages:

9 neighborhoods score better than county average
0 neighborhoods score worse than county average

EPA Violations

90 total violations across Fort Collins
0 health-based violations
9 of 9 ZIP codes have violations
0 ZIP codes exceed EPA lead action level

Top Contaminants

Contaminant	Violations	ZIPs
Lead and Copper Rule	36	9
Total Trihalomethanes (TTHM)	18	9
Stage 1 DBP Rule	9	9
Surface Water Treatment Rule	9	9
E. coli	9	9

Frequently Asked Questions

What is the safest neighborhood in Fort Collins?

ZIP code 80522 has the highest safety score in Fort Collins at 65/100 (grade C). Check the full report for details.

Is Fort Collins water safe to drink?

Fort Collins has an average water safety score of 61/100 (C). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.

Data Sources

EPA SDWIS
U.S. Census Bureau

Updated daily.