PlainWater

PCNR FAIRGROUNDS

PWS ID: AZ0420093 · TUCSON, Arizona 85704

PCNR FAIRGROUNDS serves 87 people in TUCSON, Arizona using Groundwater water sources. It has 44 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: PCNR FAIRGROUNDS

PCNR FAIRGROUNDS is a local-owned transient non-community water system that delivers drinking water to 87 residents in TUCSON, Arizona (Pima County) through 10 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 44 total violations for this system , of which 2 (5%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 41 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 23 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. PCNR FAIRGROUNDS's 44 violations sit below 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
87
Total Violations
44
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Local
Connections
10
County
Pima
School/Daycare
No
MCL Violations
2
Monitoring Violations
41
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 23 2014
Nitrate MR 10 2012
Coliform (TCR) MCL 2 2004
Selenium MR 2 1990
Fluoride MR 1 1987
Chromium MR 1 1987
Cadmium MR 1 1987
Barium MR 1 1987
Arsenic MR 1 1987
Mercury MR 1 1987

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 PCNR FAIRGROUNDS.

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 AZ0420093 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 PCNR FAIRGROUNDS 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
2014 Coliform (TCR) MR 23 SDWIS / AZ0420093 / 3100
2012 Nitrate MR 10 SDWIS / AZ0420093 / 1040
2004 Coliform (TCR) MCL 2 SDWIS / AZ0420093 / 3100
1990 Selenium MR 2 SDWIS / AZ0420093 / 1045
1987 Fluoride MR 1 SDWIS / AZ0420093 / 1025
1987 Chromium MR 1 SDWIS / AZ0420093 / 1020
1987 Cadmium MR 1 SDWIS / AZ0420093 / 1015
1987 Barium MR 1 SDWIS / AZ0420093 / 1010
1987 Arsenic MR 1 SDWIS / AZ0420093 / 1005
1987 Mercury MR 1 SDWIS / AZ0420093 / 1035

How PCNR FAIRGROUNDS Compares

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

Metric PCNR FAIRGROUNDS Arizona avg Federal benchmark
Total violations 44 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 2 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 87 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 PCNR FAIRGROUNDS water safe to drink?
PCNR FAIRGROUNDS (PWS ID: AZ0420093) has 44 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 87 people using Groundwater sources.
How many people does PCNR FAIRGROUNDS serve?
PCNR FAIRGROUNDS serves 87 people in TUCSON, Arizona. It is a Local-owned system using Groundwater water sources with 10 service connections.
What type of violations does PCNR FAIRGROUNDS have?
PCNR FAIRGROUNDS has 44 total violations: 2 health-based violations (MCL exceedances or treatment failures), 41 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in PCNR FAIRGROUNDS water?
No PFAS testing data is available for PCNR FAIRGROUNDS under the EPA's UCMR5 monitoring program.
What water source does PCNR FAIRGROUNDS use?
PCNR FAIRGROUNDS uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.

Related

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