Air Quality
Moderate
Water Violations
410
Air quality in Pinal County is rated moderate with a median AQI of 66 (268 days measured in 2025). 41 community water systems serve the area, with 410 recent violations in the last 5 years.
Air Quality — Pinal 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
14Ozone Daysi
161Drinking 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
41Active Systemsi
37Recent Violationsi
410Recent Violations (Last 5 Years)
Ak-Chin Village
SEVEN RANCH DWID
GW- BWC, INC- DIXIE
GW -BWC, INC- EAGLETAIL
GW -BWC, INC- SUNSHINE
GW -BWC, INC.- NSWC
GW -BWC, INC- BUCKEYE RANCH
GW -BWC, INC.- WPE #6
GW SAGUARO DIST WATER CO - LYN LEE
GW FARMERS WATER CO - CONTINENTAL
GW SAGUARO DIST WATER CO - LAS QUINTAS
GW SAGUARO DIST WATER CO - TORTOLITA
GW SAGUARO DIST WATER CO - MIRABELL
GW SAGUARO DIST WATER CO - TALA WAY
GW SAGUARO DIST WATER CO - AMBER ANN
MARICOPA CONSOLIDATED DWID
MARICOPA MOUNTAIN DWID 1
PAPAGO BUTTE DWID
GW SANTA CRUZ WATER CO
Historical Violations (Over 5 Years Ago)
GW OCOTILLO WATER - VALLEY VIEW ACRES
GW- BWC, INC- GARDEN CITY
GW- BWC, INC- ROSEVIEW
GW FARMERS WATER CO - SAHUARITA
GW OCOTILLO WATER - DIAMOND BELL
GW OCOTILLO WATER - SILVERBELL WEST
GW OCOTILLO WATER - CATALINA
GW OCOTILLO WATER - RANCHO DEL SOL LINDO
GW OCOTILLO WATER - THUNDERHEAD
GW OCOTILLO WATER - SIERRITA FOOTHILLS
THUNDERBIRD FARMS DWID
HIDDEN VLY FARMETTES DWID