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Community Water System · PWS AZ0409000

Navajo Water - Laguna Estates

Payson, Arizona 85541 - drinking water served from groundwater sources to 89 people, tracked in EPA SDWIS and UCMR5.

89
People served
59
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 59 drinking-water violations at Navajo Water - Laguna Estates, 12% of them health-based - below the Arizona per-system average.

59
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
89
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Navajo Water - Laguna Estates

Navajo Water - Laguna Estates is a public/private-owned community water system that delivers drinking water to 89 residents in Payson, Arizona (Navajo County) through 38 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 59 total violations for this system , of which 7 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 38 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 11 violations (Other). 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%).

Navajo Water - Laguna Estates's 59 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
89
Total Violations
59
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Public/Private
Connections
38
County
Navajo
School/Daycare
No
MCL Violations
7
Monitoring Violations
38
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 11 2025
Coliform (TCR) MR 10 2015
Coliform (TCR) MCL 7 2015
Lead and Copper Rule MR 3 2005
Nitrate MR 2 2000
1,2,4-Trichlorobenzene MR 1 2001
cis-1,2-Dichloroethylene MR 1 2001
p-Dichlorobenzene MR 1 2001
1,1-Dichloroethylene MR 1 2001
trans-1,2-Dichloroethylene MR 1 2001
1,2-Dichloroethane MR 1 2001
1,2-Dichloropropane MR 1 2001
1,1,2-Trichloroethane MR 1 2001
Tetrachloroethylene MR 1 2001
Ethylbenzene MR 1 2001
Di(2-ethylhexyl) phthalate MR 1 2003
Benzo(a)pyrene MR 1 2003
Di(2-ethylhexyl) adipate MR 1 2003
Styrene MR 1 2001
Carbon tetrachloride MR 1 2001
Trichloroethylene MR 1 2001
CHLOROBENZENE MR 1 2001
Xylenes, Total MR 1 2001
Benzene MR 1 2001
DICHLOROMETHANE MR 1 2001
1,1,1-Trichloroethane MR 1 2001
o-Dichlorobenzene MR 1 2001
Toluene MR 1 2001

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 Navajo Water - Laguna Estates.

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 AZ0409000 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 Navajo Water - Laguna Estates 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
2025 Consumer Confidence Rule Other 11 SDWIS / AZ0409000 / 7000
2015 Coliform (TCR) MR 10 SDWIS / AZ0409000 / 3100
2015 Coliform (TCR) MCL 7 SDWIS / AZ0409000 / 3100
2005 Lead and Copper Rule MR 3 SDWIS / AZ0409000 / 5000
2003 Di(2-ethylhexyl) phthalate MR 1 SDWIS / AZ0409000 / 2039
2003 Benzo(a)pyrene MR 1 SDWIS / AZ0409000 / 2306
2003 Di(2-ethylhexyl) adipate MR 1 SDWIS / AZ0409000 / 2035
2001 1,2,4-Trichlorobenzene MR 1 SDWIS / AZ0409000 / 2378
2001 cis-1,2-Dichloroethylene MR 1 SDWIS / AZ0409000 / 2380
2001 p-Dichlorobenzene MR 1 SDWIS / AZ0409000 / 2969
2001 1,1-Dichloroethylene MR 1 SDWIS / AZ0409000 / 2977
2001 trans-1,2-Dichloroethylene MR 1 SDWIS / AZ0409000 / 2979
2001 1,2-Dichloroethane MR 1 SDWIS / AZ0409000 / 2980
2001 1,2-Dichloropropane MR 1 SDWIS / AZ0409000 / 2983
2001 1,1,2-Trichloroethane MR 1 SDWIS / AZ0409000 / 2985

How Navajo Water - Laguna Estates Compares

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

Metric Navajo Water - Laguna Estates Arizona avg Federal benchmark
Total violations 59 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 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 89 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 Navajo Water - Laguna Estates water safe to drink? ▼
Navajo Water - Laguna Estates (PWS ID: AZ0409000) has 59 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 89 people using Groundwater sources.
How many people does Navajo Water - Laguna Estates serve? ▼
Navajo Water - Laguna Estates serves 89 people in Payson, Arizona. It is a Public/Private-owned system using Groundwater water sources with 38 service connections.
What type of violations does Navajo Water - Laguna Estates have? ▼
Navajo Water - Laguna Estates has 59 total violations: 7 health-based violations (MCL exceedances or treatment failures), 38 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Navajo Water - Laguna Estates water? ▼
No PFAS testing data is available for Navajo Water - Laguna Estates under the EPA's UCMR5 monitoring program.
What water source does Navajo Water - Laguna Estates use? ▼
Navajo Water - Laguna Estates 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.