PlainWater
States → Arizona

Community Water System · PWS AZ0415021

Salome Water Company

Tucson, Arizona 85754 - drinking water served from groundwater sources to 317 people, tracked in EPA SDWIS and UCMR5.

317
People served
160
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 160 drinking-water violations at Salome Water Company, 4% of them health-based - above the Arizona per-system average.

160
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
317
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Salome Water Company

Salome Water Company is a private-owned community water system that delivers drinking water to 317 residents in Tucson, Arizona (La Paz County) through 141 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 160 total violations for this system , of which 6 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 129 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 17 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%).

Salome Water Company's 160 violations sit above 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
317
Total Violations
160
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
141
County
La Paz
School/Daycare
No
MCL Violations
5
Monitoring Violations
129
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 17 2022
Nitrate MR 15 2003
Coliform (TCR) MR 12 2012
Lead and Copper Rule MR 10 2017
Chlorine MR 6 2025
Di(2-ethylhexyl) phthalate MR 5 2022
Revised Total Coliform Rule MCL 4 2023
TTHM MR 3 2007
Total Haloacetic Acids (HAA5) MR 3 2007
Gross Alpha, Excl. Radon and U MR 3 1989
cis-1,2-Dichloroethylene MR 2 1998
DICHLOROMETHANE MR 2 1998
o-Dichlorobenzene MR 2 1998
1,1-Dichloroethylene MR 2 1998
trans-1,2-Dichloroethylene MR 2 1998
1,2-Dichloroethane MR 2 1998
Trichloroethylene MR 2 1998
1,1,2-Trichloroethane MR 2 1998
CHLOROBENZENE MR 2 1998
Toluene MR 2 1998
Styrene MR 2 1998
Carbon tetrachloride MR 2 1998
Benzene MR 2 1998
1,2-Dichloropropane MR 2 1998
Ethylbenzene MR 2 1998
1,1,1-Trichloroethane MR 2 1998
Tetrachloroethylene MR 2 1998
p-Dichlorobenzene MR 2 1998
1,2,4-Trichlorobenzene MR 1 1998
Xylenes, Total MR 1 1998

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 Salome 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 AZ0415021 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 Salome 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
2025 Chlorine MR 6 SDWIS / AZ0415021 / 0999
2023 Revised Total Coliform Rule MCL 4 SDWIS / AZ0415021 / 8000
2023 Groundwater Rule TT 1 SDWIS / AZ0415021 / 0700
2022 Consumer Confidence Rule Other 17 SDWIS / AZ0415021 / 7000
2022 Di(2-ethylhexyl) phthalate MR 5 SDWIS / AZ0415021 / 2039
2017 Lead and Copper Rule MR 10 SDWIS / AZ0415021 / 5000
2012 Coliform (TCR) MR 12 SDWIS / AZ0415021 / 3100
2007 TTHM MR 3 SDWIS / AZ0415021 / 2950
2007 Total Haloacetic Acids (HAA5) MR 3 SDWIS / AZ0415021 / 2456
2003 Nitrate MR 15 SDWIS / AZ0415021 / 1040
1998 cis-1,2-Dichloroethylene MR 2 SDWIS / AZ0415021 / 2380
1998 DICHLOROMETHANE MR 2 SDWIS / AZ0415021 / 2964
1998 o-Dichlorobenzene MR 2 SDWIS / AZ0415021 / 2968
1998 1,1-Dichloroethylene MR 2 SDWIS / AZ0415021 / 2977
1998 trans-1,2-Dichloroethylene MR 2 SDWIS / AZ0415021 / 2979

How Salome Water Company Compares

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

Metric Salome Water Company Arizona avg Federal benchmark
Total violations 160 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 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 317 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 Salome Water Company water safe to drink? ▼
Salome Water Company (PWS ID: AZ0415021) has 160 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 317 people using Groundwater sources.
How many people does Salome Water Company serve? ▼
Salome Water Company serves 317 people in Tucson, Arizona. It is a Private-owned system using Groundwater water sources with 141 service connections.
What type of violations does Salome Water Company have? ▼
Salome Water Company has 160 total violations: 6 health-based violations (MCL exceedances or treatment failures), 129 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Salome Water Company water? ▼
No PFAS testing data is available for Salome Water Company under the EPA's UCMR5 monitoring program.
What water source does Salome Water Company use? ▼
Salome 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.