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SIERRA VERDE RANCH 1

PWS ID: AZ0413259 · GILBERT, Arizona 85296

SIERRA VERDE RANCH 1 serves 25 people in GILBERT, Arizona using Groundwater water sources. It has 101 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SIERRA VERDE RANCH 1

SIERRA VERDE RANCH 1 is a local-owned transient non-community water system that delivers drinking water to 25 residents in GILBERT, Arizona (Yavapai County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 101 total violations for this system , of which 4 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 85 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 Coliform (TCR), recorded in 13 violations (MR). 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. SIERRA VERDE RANCH 1's 101 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
25
Total Violations
101
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Local
Connections
1
County
Yavapai
School/Daycare
No
MCL Violations
4
Monitoring Violations
85
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 13 2014
Nitrate MR 12 2023
Coliform (TCR) MCL 4 2014
Public Notice Other 4 2022
Lead and Copper Rule MR 4 2008
Revised Total Coliform Rule MON 4 2021
Revised Total Coliform Rule RPT 4 2024
Consumer Confidence Rule Other 3 2008
cis-1,2-Dichloroethylene MR 2 2007
Xylenes, Total MR 2 2007
o-Dichlorobenzene MR 2 2007
Vinyl chloride MR 2 2007
Trichloroethylene MR 2 2007
1,1,2-Trichloroethane MR 2 2007
Tetrachloroethylene MR 2 2007
Benzene MR 2 2007
Toluene MR 2 2007
Ethylbenzene MR 2 2007
Styrene MR 2 2007
1,2,4-Trichlorobenzene MR 2 2007
DICHLOROMETHANE MR 2 2007
1,1-Dichloroethylene MR 2 2007
trans-1,2-Dichloroethylene MR 2 2007
1,2-Dichloroethane MR 2 2007
Carbon tetrachloride MR 2 2007
1,2-Dichloropropane MR 2 2007
Combined Uranium MR 2 2004
Combined Radium (-226 and -228) MR 2 2004
Radium-228 MR 2 2004
Radium-226 MR 2 2004

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 SIERRA VERDE RANCH 1.

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 AZ0413259 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 SIERRA VERDE RANCH 1 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 Revised Total Coliform Rule RPT 4 SDWIS / AZ0413259 / 8000
2023 Nitrate MR 12 SDWIS / AZ0413259 / 1040
2022 Public Notice Other 4 SDWIS / AZ0413259 / 7500
2021 Revised Total Coliform Rule MON 4 SDWIS / AZ0413259 / 8000
2014 Coliform (TCR) MR 13 SDWIS / AZ0413259 / 3100
2014 Coliform (TCR) MCL 4 SDWIS / AZ0413259 / 3100
2008 Lead and Copper Rule MR 4 SDWIS / AZ0413259 / 5000
2008 Consumer Confidence Rule Other 3 SDWIS / AZ0413259 / 7000
2007 cis-1,2-Dichloroethylene MR 2 SDWIS / AZ0413259 / 2380
2007 Xylenes, Total MR 2 SDWIS / AZ0413259 / 2955
2007 o-Dichlorobenzene MR 2 SDWIS / AZ0413259 / 2968
2007 Vinyl chloride MR 2 SDWIS / AZ0413259 / 2976
2007 Trichloroethylene MR 2 SDWIS / AZ0413259 / 2984
2007 1,1,2-Trichloroethane MR 2 SDWIS / AZ0413259 / 2985
2007 Tetrachloroethylene MR 2 SDWIS / AZ0413259 / 2987

How SIERRA VERDE RANCH 1 Compares

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

Metric SIERRA VERDE RANCH 1 Arizona avg Federal benchmark
Total violations 101 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 25 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 SIERRA VERDE RANCH 1 water safe to drink? ▼
SIERRA VERDE RANCH 1 (PWS ID: AZ0413259) has 101 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Groundwater sources.
How many people does SIERRA VERDE RANCH 1 serve? ▼
SIERRA VERDE RANCH 1 serves 25 people in GILBERT, Arizona. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does SIERRA VERDE RANCH 1 have? ▼
SIERRA VERDE RANCH 1 has 101 total violations: 4 health-based violations (MCL exceedances or treatment failures), 85 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SIERRA VERDE RANCH 1 water? ▼
No PFAS testing data is available for SIERRA VERDE RANCH 1 under the EPA's UCMR5 monitoring program.
What water source does SIERRA VERDE RANCH 1 use? ▼
SIERRA VERDE RANCH 1 uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.

Read our methodology — how this data is sourced, computed, and verified.

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