Air Quality
Good
Water Violations
39
Active Contamination
1
Active Permits
12
Air quality in Archuleta County is rated good with a median AQI of 32 (303 days measured in 2025). 13 community water systems serve the area, with 39 recent violations in the last 5 years. 1 contamination site are tracked, all with completed or ongoing remediation.
Air Quality — Archuleta County (2025)i
AQSThe Air Quality Index measures how clean or polluted the air is on a given day. AQI is reported at the county level. A score of 0-50 is considered good; 51-100 is moderate; above 100 may be unhealthy for sensitive groups.
Median AQI
PM2.5 Daysi
58Ozone Daysi
237Drinking Wateri
SDWISPublic water systems registered to serve this area. Community systems (CWS) provide water to residents year-round. Violations indicate a system failed to meet federal drinking water standards.
Community Systemsi
13Active Systemsi
17Recent Violationsi
39Recent Violations (Last 5 Years)
Historical Violations (Over 5 Years Ago)
Industrial Monitoringi
Contamination Sitesi
Contaminated sites tracked by the EPA and state agencies. Superfund sites are the most seriously contaminated locations. Brownfields are former industrial properties being cleaned up for reuse. LUST sites have confirmed leaks from underground storage tanks.