Community Water System · PWS AZ0411334

Sunland Water Company

Glendale, Arizona 85307 - drinking water served from groundwater sources to 227 people, tracked in EPA SDWIS and UCMR5.

Compiled by PlainWater Editorial, Drinking Water Quality Editorial Team · May 15, 2026

227
People served: 149
EPA violations: 15
Health-based: Untested
UCMR5 result

The verdict

EPA records 149 drinking-water violations at Sunland Water Company, 10% of them health-based - below the Arizona per-system average.

149
Total EPA violations on record: 10%
Health-based (MCL / treatment failure): 227
People served by this system: N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sunland Water Company

Sunland Water Company is a private-owned community water system that delivers drinking water to 227 residents in Glendale, Arizona (Pinal County) through 91 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 149 total violations for this system , of which 15 (10%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 100 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 Chlorine, recorded in 39 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. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%).

Sunland Water Company's 149 violations sit below the Arizona average.

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

227

Total Violations

149

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Community
Owner Type: Private
Connections: 91
County: Pinal
School/Daycare: No
MCL Violations: 15
Monitoring Violations: 100
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Chlorine	MR	39	2022
Coliform (TCR)	MR	21	2016
Revised Total Coliform Rule	RPT	12	2020
Arsenic	MR	11	2022
Nitrate	MR	8	2022
Consumer Confidence Rule	Other	6	2021
Arsenic	MCL	6	2021
Public Notice	Other	4	2020
Nitrate	MCL	4	2023
Revised Total Coliform Rule	MON	4	2022
Revised Total Coliform Rule	MCL	4	2024
TTHM	MR	3	2011
Total Haloacetic Acids (HAA5)	MR	3	2011
Dinoseb	MR	3	2002
Lead and Copper Rule	MR	2	2004
Gross Alpha, Excl. Radon and U	MR	1	2004
Combined Uranium	MR	1	2004
Combined Radium (-226 and -228)	MR	1	2004
Radium-228	MR	1	2004
Coliform (TCR)	MCL	1	2001
Radium-226	MR	1	2004
Simazine	MR	1	2002

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 Sunland Water Company.

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 AZ0411334 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 Sunland Water Company 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	MCL	4	SDWIS / AZ0411334 / 8000
2023	Nitrate	MCL	4	SDWIS / AZ0411334 / 1040
2022	Chlorine	MR	39	SDWIS / AZ0411334 / 0999
2022	Arsenic	MR	11	SDWIS / AZ0411334 / 1005
2022	Nitrate	MR	8	SDWIS / AZ0411334 / 1040
2022	Revised Total Coliform Rule	MON	4	SDWIS / AZ0411334 / 8000
2021	Consumer Confidence Rule	Other	6	SDWIS / AZ0411334 / 7000
2021	Arsenic	MCL	6	SDWIS / AZ0411334 / 1005
2020	Revised Total Coliform Rule	RPT	12	SDWIS / AZ0411334 / 8000
2020	Public Notice	Other	4	SDWIS / AZ0411334 / 7500
2016	Coliform (TCR)	MR	21	SDWIS / AZ0411334 / 3100
2011	TTHM	MR	3	SDWIS / AZ0411334 / 2950
2011	Total Haloacetic Acids (HAA5)	MR	3	SDWIS / AZ0411334 / 2456
2004	Lead and Copper Rule	MR	2	SDWIS / AZ0411334 / 5000
2004	Gross Alpha, Excl. Radon and U	MR	1	SDWIS / AZ0411334 / 4000

How Sunland Water Company Compares

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

Metric	Sunland Water Company	Arizona avg	Federal benchmark
Total violations	149	153.3	SDWA compliance, any non-zero count is a recorded breach
Health-based violations	15	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	227	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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N)	10 mg/L	Acute health risk for infants

Frequently Asked Questions

Is Sunland Water Company water safe to drink? ▼

Sunland Water Company (PWS ID: AZ0411334) has 149 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 227 people using Groundwater sources.

How many people does Sunland Water Company serve? ▼

Sunland Water Company serves 227 people in Glendale, Arizona. It is a Private-owned system using Groundwater water sources with 91 service connections.

What type of violations does Sunland Water Company have? ▼

Sunland Water Company has 149 total violations: 15 health-based violations (MCL exceedances or treatment failures), 100 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in Sunland Water Company water? ▼

No PFAS testing data is available for Sunland Water Company under the EPA's UCMR5 monitoring program.

What water source does Sunland Water Company use? ▼

Sunland Water Company 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.

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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.