F0/100
GW SAGUARO DIST WATER CO - LAS QUINTAS — Water Quality Report 2026
Serving 3,720 people · Arizona
Water Source
Groundwater
County
—
System ID
AZ0410064
Violations
156
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2023 – November 1, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2022 – December 31, 2022Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2021 – September 30, 2021Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
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 SAGUARO DIST WATER CO - LAS QUINTAS
Is GW SAGUARO DIST WATER CO - LAS QUINTAS water safe to drink?
GW SAGUARO DIST WATER CO - LAS QUINTAS water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 156 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has GW SAGUARO DIST WATER CO - LAS QUINTAS detected?
31 contaminants were tested in GW SAGUARO DIST WATER CO - LAS QUINTAS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GW SAGUARO DIST WATER CO - LAS QUINTAS have any EPA violations?
Yes, GW SAGUARO DIST WATER CO - LAS QUINTAS has 156 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, RPT, MON.
How many people does GW SAGUARO DIST WATER CO - LAS QUINTAS serve?
GW SAGUARO DIST WATER CO - LAS QUINTAS serves approximately 3,720 people, Arizona. The system provides water to 1 community: Green Valley.
What type of water does GW SAGUARO DIST WATER CO - LAS QUINTAS provide?
GW SAGUARO DIST WATER CO - LAS QUINTAS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0410064.
How does GW SAGUARO DIST WATER CO - LAS QUINTAS compare to other utilities in Arizona?
GW SAGUARO DIST WATER CO - LAS QUINTAS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Arizona state page for a full comparison of water systems.