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VALLE VERDE DEL NORTE

PWS ID: AZ0410152 · TUCSON, Arizona 85743

VALLE VERDE DEL NORTE serves 300 people in TUCSON, Arizona using Groundwater water sources. It has 202 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: VALLE VERDE DEL NORTE

VALLE VERDE DEL NORTE is a public/private-owned community water system that delivers drinking water to 300 residents in TUCSON, Arizona (Pima County) through 105 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 202 total violations for this system , of which 1 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 172 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 27 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. VALLE VERDE DEL NORTE's 202 violations sit above 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
300
Total Violations
202
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Public/Private
Connections
105
County
Pima
School/Daycare
No
MCL Violations
1
Monitoring Violations
172
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 27 2024
Coliform (TCR) MR 17 2010
Arsenic MR 10 2023
Nitrate MR 8 2004
Consumer Confidence Rule Other 7 2013
Total Haloacetic Acids (HAA5) MR 5 2023
TTHM MR 5 2023
Lead and Copper Rule MR 4 2012
cis-1,2-Dichloroethylene MR 3 2002
DICHLOROMETHANE MR 3 2002
o-Dichlorobenzene MR 3 2002
trans-1,2-Dichloroethylene MR 3 2002
1,2-Dichloroethane MR 3 2002
1,1,1-Trichloroethane MR 3 2002
Carbon tetrachloride MR 3 2002
Benzene MR 3 2002
Ethylbenzene MR 3 2002
Styrene MR 3 2002
1,1,2-Trichloroethane MR 3 2002
Toluene MR 3 2002
1,1-Dichloroethylene MR 3 2002
Fluoride MR 2 1998
Xylenes, Total MR 2 2002
p-Dichlorobenzene MR 2 1998
1,2-Dichloropropane MR 2 1998
Trichloroethylene MR 2 1998
CHLOROBENZENE MR 2 1998
1,2,4-Trichlorobenzene MR 2 2002
Tetrachloroethylene MR 2 1998
Beryllium, 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 VALLE VERDE DEL NORTE.

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 AZ0410152 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 DEL NORTE 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 Chlorine MR 27 SDWIS / AZ0410152 / 0999
2023 Arsenic MR 10 SDWIS / AZ0410152 / 1005
2023 Total Haloacetic Acids (HAA5) MR 5 SDWIS / AZ0410152 / 2456
2023 TTHM MR 5 SDWIS / AZ0410152 / 2950
2013 Consumer Confidence Rule Other 7 SDWIS / AZ0410152 / 7000
2012 Lead and Copper Rule MR 4 SDWIS / AZ0410152 / 5000
2010 Coliform (TCR) MR 17 SDWIS / AZ0410152 / 3100
2004 Nitrate MR 8 SDWIS / AZ0410152 / 1040
2002 cis-1,2-Dichloroethylene MR 3 SDWIS / AZ0410152 / 2380
2002 DICHLOROMETHANE MR 3 SDWIS / AZ0410152 / 2964
2002 o-Dichlorobenzene MR 3 SDWIS / AZ0410152 / 2968
2002 trans-1,2-Dichloroethylene MR 3 SDWIS / AZ0410152 / 2979
2002 1,2-Dichloroethane MR 3 SDWIS / AZ0410152 / 2980
2002 1,1,1-Trichloroethane MR 3 SDWIS / AZ0410152 / 2981
2002 Carbon tetrachloride MR 3 SDWIS / AZ0410152 / 2982

How VALLE VERDE DEL NORTE Compares

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

Metric VALLE VERDE DEL NORTE Arizona avg Federal benchmark
Total violations 202 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 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 300 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 VALLE VERDE DEL NORTE water safe to drink? ▼
VALLE VERDE DEL NORTE (PWS ID: AZ0410152) has 202 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does VALLE VERDE DEL NORTE serve? ▼
VALLE VERDE DEL NORTE serves 300 people in TUCSON, Arizona. It is a Public/Private-owned system using Groundwater water sources with 105 service connections.
What type of violations does VALLE VERDE DEL NORTE have? ▼
VALLE VERDE DEL NORTE has 202 total violations: 1 health-based violations (MCL exceedances or treatment failures), 172 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 DEL NORTE water? ▼
No PFAS testing data is available for VALLE VERDE DEL NORTE under the EPA's UCMR5 monitoring program.
What water source does VALLE VERDE DEL NORTE use? ▼
VALLE VERDE DEL NORTE 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.

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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.

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