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Non-Transient Non-Community Water System · PWS AZ0412025

Valle Verde Water Company - West

Tucson, Arizona 85754 - drinking water served from groundwater sources to 74 people, tracked in EPA SDWIS and UCMR5.

74
People served
128
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 128 drinking-water violations at Valle Verde Water Company - West, 4% of them health-based - below the Arizona per-system average.

128
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
74
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Valle Verde Water Company - West

Valle Verde Water Company - West is a public/private-owned non-transient non-community water system that delivers drinking water to 74 residents in Tucson, Arizona (Santa Cruz County) through 14 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 128 total violations for this system , of which 5 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 104 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 Chlorine, recorded in 34 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%).

Valle Verde Water Company - West's 128 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
74
Total Violations
128
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Public/Private
Connections
14
County
Santa Cruz
School/Daycare
No
MCL Violations
5
Monitoring Violations
104
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 34 2024
Lead and Copper Rule MR 8 2019
Coliform (TCR) MR 7 2014
Revised Total Coliform Rule RPT 7 2019
Revised Total Coliform Rule MON 7 2024
TTHM MR 6 2013
Total Haloacetic Acids (HAA5) MR 6 2013
Public Notice Other 5 2025
Arsenic MR 4 2009
Consumer Confidence Rule Other 4 2013
Arsenic MCL 3 2007
Coliform (TCR) MCL 2 2011
Nickel MR 2 2009
Endrin MR 1 2000
BHC-GAMMA MR 1 2000
Toxaphene MR 1 2000
Diquat MR 1 2000
Endothall MR 1 2000
Glyphosate MR 1 2000
OXAMYL MR 1 2000
Simazine MR 1 2000
Di(2-ethylhexyl) phthalate MR 1 2000
Picloram MR 1 2000
Carbofuran MR 1 2000
Atrazine MR 1 2000
HEXACHLOROBENZENE MR 1 2000
Benzo(a)pyrene MR 1 2000
Chlordane MR 1 2000
Asbestos MR 1 2003
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2000

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 Valle Verde Water Company - West.

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 AZ0412025 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 Valle Verde Water Company - West 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 Public Notice Other 5 SDWIS / AZ0412025 / 7500
2024 Chlorine MR 34 SDWIS / AZ0412025 / 0999
2024 Revised Total Coliform Rule MON 7 SDWIS / AZ0412025 / 8000
2019 Lead and Copper Rule MR 8 SDWIS / AZ0412025 / 5000
2019 Revised Total Coliform Rule RPT 7 SDWIS / AZ0412025 / 8000
2014 Coliform (TCR) MR 7 SDWIS / AZ0412025 / 3100
2013 TTHM MR 6 SDWIS / AZ0412025 / 2950
2013 Total Haloacetic Acids (HAA5) MR 6 SDWIS / AZ0412025 / 2456
2013 Consumer Confidence Rule Other 4 SDWIS / AZ0412025 / 7000
2011 Coliform (TCR) MCL 2 SDWIS / AZ0412025 / 3100
2009 Arsenic MR 4 SDWIS / AZ0412025 / 1005
2009 Nickel MR 2 SDWIS / AZ0412025 / 1036
2007 Arsenic MCL 3 SDWIS / AZ0412025 / 1005
2003 Asbestos MR 1 SDWIS / AZ0412025 / 1094
2000 Endrin MR 1 SDWIS / AZ0412025 / 2005

How Valle Verde Water Company - West Compares

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

Metric Valle Verde Water Company - West Arizona avg Federal benchmark
Total violations 128 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 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 74 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 Valle Verde Water Company - West water safe to drink?
Valle Verde Water Company - West (PWS ID: AZ0412025) has 128 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 74 people using Groundwater sources.
How many people does Valle Verde Water Company - West serve?
Valle Verde Water Company - West serves 74 people in Tucson, Arizona. It is a Public/Private-owned system using Groundwater water sources with 14 service connections.
What type of violations does Valle Verde Water Company - West have?
Valle Verde Water Company - West has 128 total violations: 5 health-based violations (MCL exceedances or treatment failures), 104 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Valle Verde Water Company - West water?
No PFAS testing data is available for Valle Verde Water Company - West under the EPA's UCMR5 monitoring program.
What water source does Valle Verde Water Company - West use?
Valle Verde Water Company - West uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.
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.