B75/100
GW OCOTILLO WATER - CATALINA — Water Quality Report 2026
Serving 1,168 people · Arizona
Water Source
Groundwater
County
—
System ID
AZ0410171
Violations
25
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2008.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About GW OCOTILLO WATER - CATALINA
Is GW OCOTILLO WATER - CATALINA water safe to drink?
GW OCOTILLO WATER - CATALINA water receives a grade of B (75/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has GW OCOTILLO WATER - CATALINA detected?
1 contaminants were tested in GW OCOTILLO WATER - CATALINA's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does GW OCOTILLO WATER - CATALINA have any EPA violations?
Yes, GW OCOTILLO WATER - CATALINA has 25 EPA violation(s) on record, with the most recent in 2008. Violation types include Other, MR.
How many people does GW OCOTILLO WATER - CATALINA serve?
GW OCOTILLO WATER - CATALINA serves approximately 1,168 people, Arizona. The system provides water to 1 community: Catalina.
What type of water does GW OCOTILLO WATER - CATALINA provide?
GW OCOTILLO WATER - CATALINA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0410171.
How does GW OCOTILLO WATER - CATALINA compare to other utilities in Arizona?
GW OCOTILLO WATER - CATALINA scores 75/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Arizona state page for a full comparison of water systems.