City Water Quality Rankings in Colorado
186 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#169
Indian Hills
County, CO
44 F
#170 Estes Park
County, CO
42 F
#171 Central City
County, CO
40 F
#172 Salida
County, CO
40 F
#173 Fowler
County, CO
36 F
#174 Steamboat Springs
County, CO
36 F
#175 Pueblo West
County, CO
29 F
#176 Leadville
County, CO
25 F
#177 Ridgway
County, CO
12 F
#178 Ouray
County, CO
9 F
#179 Paonia
County, CO
9 F
#180 El Jebel
County, CO
7 F
#181 Walsenburg
County, CO
3 F
#182 Colorado City
County, CO
0 F
#183 Hotchkiss
County, CO
0 F
#184 Redvale
County, CO
0 F
#185 Telluride
County, CO
0 F
#186 Wiley
County, CO
0 F
Frequently Asked Questions
How are city water quality rankings calculated in Colorado?
WaterQ city rankings are based on EPA SDWIS data across local public water systems, including contaminant detections, compliance violations, and recency-weighted score signals.
Can I compare two cities in Colorado?
Yes. Use the city comparison links on this page or open the Compare tool to evaluate two cities side by side on score, grade, and water system coverage.
How often does WaterQ refresh city data?
City-level metrics refresh when new EPA data is processed. Check city pages for latest score and violation context.