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JBS TOLLESON

PWS ID: AZ0407438 · TOLLESON, Arizona 85353

JBS TOLLESON serves 1,700 people in TOLLESON, Arizona using Groundwater water sources. It has 175 recorded EPA violations, including 9 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: JBS TOLLESON

JBS TOLLESON is a private-owned non-transient non-community water system that delivers drinking water to 1,700 residents in TOLLESON, Arizona (Maricopa County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 175 total violations for this system , of which 9 (5%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 136 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 48 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. JBS TOLLESON's 175 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
1,700
Total Violations
175
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Maricopa
School/Daycare
No
MCL Violations
9
Monitoring Violations
136
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 48 2025
Nitrate MR 26 2018
Coliform (TCR) MR 24 2015
Lead and Copper Rule MR 6 2017
Revised Total Coliform Rule RPT 6 2021
Total Polychlorinated Biphenyls (PCB) MR 5 1999
Nitrate MCL 5 2004
Revised Total Coliform Rule MON 4 2024
Coliform (TCR) MCL 4 2012
TTHM MR 3 2005
Total Haloacetic Acids (HAA5) MR 3 2005
Chromium MR 2 1993
Benzo(a)pyrene MR 2 2002
Fluoride MR 2 2002
Dinoseb MR 2 2002
Di(2-ethylhexyl) phthalate MR 2 2002
Di(2-ethylhexyl) adipate MR 2 2002
Cadmium MR 1 1993
Mercury MR 1 1993
Selenium MR 1 1993
Arsenic MR 1 1993
Barium MR 1 1993

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 JBS TOLLESON.

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 AZ0407438 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 JBS TOLLESON 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 48 SDWIS / AZ0407438 / 0999
2024 Revised Total Coliform Rule MON 4 SDWIS / AZ0407438 / 8000
2021 Revised Total Coliform Rule RPT 6 SDWIS / AZ0407438 / 8000
2018 Nitrate MR 26 SDWIS / AZ0407438 / 1040
2017 Lead and Copper Rule MR 6 SDWIS / AZ0407438 / 5000
2015 Coliform (TCR) MR 24 SDWIS / AZ0407438 / 3100
2012 Coliform (TCR) MCL 4 SDWIS / AZ0407438 / 3100
2005 TTHM MR 3 SDWIS / AZ0407438 / 2950
2005 Total Haloacetic Acids (HAA5) MR 3 SDWIS / AZ0407438 / 2456
2004 Nitrate MCL 5 SDWIS / AZ0407438 / 1040
2002 Benzo(a)pyrene MR 2 SDWIS / AZ0407438 / 2306
2002 Fluoride MR 2 SDWIS / AZ0407438 / 1025
2002 Dinoseb MR 2 SDWIS / AZ0407438 / 2041
2002 Di(2-ethylhexyl) phthalate MR 2 SDWIS / AZ0407438 / 2039
2002 Di(2-ethylhexyl) adipate MR 2 SDWIS / AZ0407438 / 2035

How JBS TOLLESON Compares

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

Metric JBS TOLLESON Arizona avg Federal benchmark
Total violations 175 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 9 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 1,700 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 JBS TOLLESON water safe to drink? ▼
JBS TOLLESON (PWS ID: AZ0407438) has 175 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,700 people using Groundwater sources.
How many people does JBS TOLLESON serve? ▼
JBS TOLLESON serves 1,700 people in TOLLESON, Arizona. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does JBS TOLLESON have? ▼
JBS TOLLESON has 175 total violations: 9 health-based violations (MCL exceedances or treatment failures), 136 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in JBS TOLLESON water? ▼
No PFAS testing data is available for JBS TOLLESON under the EPA's UCMR5 monitoring program.
What water source does JBS TOLLESON use? ▼
JBS TOLLESON 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.

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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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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial