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GW FARMERS WATER CO - SAHUARITA HIGHLAND

PWS ID: AZ0410414 · MARICOPA, Arizona 85138

GW FARMERS WATER CO - SAHUARITA HIGHLAND serves 492 people in MARICOPA, Arizona using Groundwater water sources. It has 36 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GW FARMERS WATER CO - SAHUARITA HIGHLAND

GW FARMERS WATER CO - SAHUARITA HIGHLAND is a private-owned community water system that delivers drinking water to 492 residents in MARICOPA, Arizona (Pima County) through 164 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 36 total violations for this system , of which 3 (8%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 19 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 9 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. GW FARMERS WATER CO - SAHUARITA HIGHLAND's 36 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
492
Total Violations
36
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
164
County
Pima
School/Daycare
No
MCL Violations
0
Monitoring Violations
19
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 9 2014
Consumer Confidence Rule Other 7 2014
Chlorine MR 6 2017
Revised Total Coliform Rule RPT 6 2020
Lead and Copper Rule TT 3 2016
E. COLI MR 2 2015
Lead and Copper Rule MR 2 2007

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 FARMERS WATER CO - SAHUARITA HIGHLAND.

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 AZ0410414 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 FARMERS WATER CO - SAHUARITA HIGHLAND 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
2020 Revised Total Coliform Rule RPT 6 SDWIS / AZ0410414 / 8000
2017 Chlorine MR 6 SDWIS / AZ0410414 / 0999
2016 Lead and Copper Rule TT 3 SDWIS / AZ0410414 / 5000
2015 E. COLI MR 2 SDWIS / AZ0410414 / 3014
2014 Coliform (TCR) MR 9 SDWIS / AZ0410414 / 3100
2014 Consumer Confidence Rule Other 7 SDWIS / AZ0410414 / 7000
2007 Lead and Copper Rule MR 2 SDWIS / AZ0410414 / 5000

How GW FARMERS WATER CO - SAHUARITA HIGHLAND Compares

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

Metric GW FARMERS WATER CO - SAHUARITA HIGHLAND Arizona avg Federal benchmark
Total violations 36 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 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 492 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 FARMERS WATER CO - SAHUARITA HIGHLAND water safe to drink?
GW FARMERS WATER CO - SAHUARITA HIGHLAND (PWS ID: AZ0410414) has 36 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 492 people using Groundwater sources.
How many people does GW FARMERS WATER CO - SAHUARITA HIGHLAND serve?
GW FARMERS WATER CO - SAHUARITA HIGHLAND serves 492 people in MARICOPA, Arizona. It is a Private-owned system using Groundwater water sources with 164 service connections.
What type of violations does GW FARMERS WATER CO - SAHUARITA HIGHLAND have?
GW FARMERS WATER CO - SAHUARITA HIGHLAND has 36 total violations: 3 health-based violations (MCL exceedances or treatment failures), 19 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in GW FARMERS WATER CO - SAHUARITA HIGHLAND water?
No PFAS testing data is available for GW FARMERS WATER CO - SAHUARITA HIGHLAND under the EPA's UCMR5 monitoring program.
What water source does GW FARMERS WATER CO - SAHUARITA HIGHLAND use?
GW FARMERS WATER CO - SAHUARITA HIGHLAND 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.

Explore PlainWater

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 Kiznis Studio Editorial