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GW SANTA CRUZ WATER -TWIN HAWKS WATER

PWS ID: AZ0411460 · MARICOPA, Arizona 85138

GW SANTA CRUZ WATER -TWIN HAWKS WATER serves 57 people in MARICOPA, Arizona using Groundwater water sources. It has 4 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GW SANTA CRUZ WATER -TWIN HAWKS WATER

GW SANTA CRUZ WATER -TWIN HAWKS WATER is a private-owned community water system that delivers drinking water to 57 residents in MARICOPA, Arizona (Pinal County) through 19 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 4 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 2 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 2 violations (RPT). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Arizona, EPA tracks 1,493 public water systems serving 7,322,166 people, with 228,944 cumulative violations and 15,663 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 153.3 violations. GW SANTA CRUZ WATER -TWIN HAWKS WATER's 4 violations sit below the Arizona average. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
57
Total Violations
4
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
19
County
Pinal
School/Daycare
No
MCL Violations
0
Monitoring Violations
2
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule RPT 2 2023
Lead and Copper Rule MR 2 2024

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for GW SANTA CRUZ WATER -TWIN HAWKS WATER.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID AZ0411460 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arizona Drinking Water Authority

Arizona DEQ — Drinking Water Program is the primacy agency that licenses and inspects GW SANTA CRUZ WATER -TWIN HAWKS WATER under EPA-delegated authority.

Open AZ regulator portal

Source: Arizona DEQ — Drinking Water Program

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Lead and Copper Rule MR 2 SDWIS / AZ0411460 / 5000
2023 Revised Total Coliform Rule RPT 2 SDWIS / AZ0411460 / 8000

How GW SANTA CRUZ WATER -TWIN HAWKS WATER Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric GW SANTA CRUZ WATER -TWIN HAWKS WATER Arizona avg Federal benchmark
Total violations 4 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 95.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 57 4,904 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,493 regulated public water systems in Arizona.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is GW SANTA CRUZ WATER -TWIN HAWKS WATER water safe to drink?
GW SANTA CRUZ WATER -TWIN HAWKS WATER (PWS ID: AZ0411460) has 4 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 57 people using Groundwater sources.
How many people does GW SANTA CRUZ WATER -TWIN HAWKS WATER serve?
GW SANTA CRUZ WATER -TWIN HAWKS WATER serves 57 people in MARICOPA, Arizona. It is a Private-owned system using Groundwater water sources with 19 service connections.
What type of violations does GW SANTA CRUZ WATER -TWIN HAWKS WATER have?
GW SANTA CRUZ WATER -TWIN HAWKS WATER has 4 total violations: 0 health-based violations (MCL exceedances or treatment failures), 2 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in GW SANTA CRUZ WATER -TWIN HAWKS WATER water?
No PFAS testing data is available for GW SANTA CRUZ WATER -TWIN HAWKS WATER under the EPA's UCMR5 monitoring program.
What water source does GW SANTA CRUZ WATER -TWIN HAWKS WATER use?
GW SANTA CRUZ WATER -TWIN HAWKS WATER uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial