Santa Cruz County Water Quality

Santa Cruz County, Arizona has a water quality grade of F with a score of 34.5/100, based on EPA Safe Drinking Water Information System data. The county has 23 health-based drinking water violations on record.

Santa Cruz County has 23 health-based drinking water violations recorded by the EPA. Health-based violations indicate instances where contaminant levels exceeded EPA Maximum Contaminant Levels (MCLs). Violations may have been resolved — check with your local water utility for current status.

Santa Cruz County's water quality score of 34.5/100 is higher than the Arizona state average of 28.6. The average water quality grade across Arizona is F, based on data from 15 counties with available water quality data.

Based on EPA data, Santa Cruz County has a water quality grade of F (34.5/100). This indicates below-average water quality with significant compliance issues. Residents may want to consider home water filtration. For the most up-to-date information, contact your local water utility or review your Consumer Confidence Report (CCR).

Santa Cruz County has 23 health-based drinking water violations on record from the EPA SDWIS database. A higher violation count can result from aging infrastructure, underfunded water utilities, agricultural runoff contamination, or industrial pollution. Counties with more water systems may also see more violations simply due to scale. Residents concerned about water quality should consider independent water testing and home filtration systems.

Santa Cruz County ranks #4 out of 15 counties in Arizona by water quality score (1 = best). With a score of 34.5/100, it falls in the top third of counties statewide. Rankings are based on EPA Safe Drinking Water Information System (SDWIS) data including health-based violations and compliance records.