Air Quality
Good
Water Violations
286
Active Contamination
4
Active Permits
5
Air quality in La Plata County is rated good with a median AQI of 50 (304 days measured in 2025). 46 community water systems serve the area, with 286 recent violations in the last 5 years. 4 contamination sites are tracked, all with completed or ongoing remediation.
Air Quality — La Plata 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
10Ozone Daysi
294Drinking 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
46Active Systemsi
33Recent Violationsi
286Recent Violations (Last 5 Years)
DURANGO CITY OF
DURANGO WEST MD NO 2
LOS PRADOS HOA
EDGEMONT RANCH MD
EL RANCHO FLORIDA MD
DURANGO FALFA MHC LLC
FALLS CREEK RANCH
ISLAND COVE PARK
DURANGO REGENCY MHP
GOODMAN POA
DURANGO JCMHP, LLC
KNOLLS AT DURANGO HOA
LAKE DURANGO WA
LAPLATA VISTA ESTATES HOA
NARROW GAUGE MHP
TRIANGLE TP
WESTSIDE MHP
SOUTHWEST HORIZON RANCH
PINON HEIGHTS MHP
PURGATORY MD
UTE PASS WA INC
Historical Violations (Over 5 Years Ago)
ANIMAS WC
A WATER WAGON LLC
DURANGO WEST MD NO 1
FALLS CREEK RANCH NO 1
FORREST GROVE ESTATES
HERMOSA VILLAGE
LOS RANCHITOS HOA
MOUNTAIN VISTA MHP
OLD HOMESTEAD MHP
SCENIC SQUARE SUBD
Industrial Monitoringi
Toxic Release Inventory (TRI)i
TRIContamination 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.