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Community Water System · PWS AZ0413044

Ponderosa Park Dwid

Prescott, Arizona 86303 - drinking water served from groundwater sources to 602 people, tracked in EPA SDWIS and UCMR5.

602
People served
83
EPA violations
7
Health-based
6 PFAS
UCMR5 result

The verdict

EPA records 83 drinking-water violations at Ponderosa Park Dwid, 8% of them health-based - below the Arizona per-system average, and UCMR5 testing detected 6 PFAS compounds.

83
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
602
People served by this system
6
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ponderosa Park Dwid

Ponderosa Park Dwid is a private-owned community water system that delivers drinking water to 602 residents in Prescott, Arizona (Yavapai County) through 305 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 83 total violations for this system , of which 7 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 48 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 21 violations (Other). Under EPA's UCMR5 PFAS monitoring program, 6 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 24 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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%).

Ponderosa Park Dwid's 83 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.

PFAS Detected

6 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
602
Total Violations
83
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
305
County
Yavapai
School/Daycare
No
MCL Violations
7
Monitoring Violations
48
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 21 2019
TTHM MR 8 2024
Total Haloacetic Acids (HAA5) MR 8 2024
Chlorine MR 7 2023
Gross Alpha, Excl. Radon and U MCL 3 1988
CYANIDE MR 2 1998
Selenium MR 2 1998
Nitrate MR 2 2006
E. COLI MR 2 2025
Coliform (TCR) MCL 2 2003
Combined Radium (-226 and -228) MCL 2 2002
Cadmium MR 2 1998
Barium MR 2 1998
Gross Alpha, Excl. Radon and U MR 2 1987
Mercury MR 2 1998
Fluoride MR 2 1998
Chromium MR 2 1998
Arsenic MR 2 1998
Antimony, Total MR 1 1998
Coliform (TCR) MR 1 1991
Lead and Copper Rule MR 1 2006

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 6 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
PFMBA 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 5/6/2025 <2.00 ppt 2.00 ppt Not Detected
ADONA 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 5/6/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 5/6/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 5/6/2025 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 5/6/2025 <5.00 ppt 5.00 ppt Not Detected
PFPeA 5/6/2025 6.20 ppt 3.00 ppt Detected
4:2 FTS 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 5/6/2025 <20.00 ppt 20.00 ppt Not Detected
PFPeS 5/6/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpS 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 5/6/2025 <5.00 ppt 5.00 ppt Not Detected
PFHpA 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 5/6/2025 <8.00 ppt 8.00 ppt Not Detected
NMeFOSAA 5/6/2025 <6.00 ppt 6.00 ppt Not Detected
PFMPA 5/6/2025 <4.00 ppt 4.00 ppt Not Detected
PFUnA 5/6/2025 <2.00 ppt 2.00 ppt Not Detected
PFTrDA 5/6/2025 <7.00 ppt 7.00 ppt Not Detected
PFBS 5/6/2025 24.00 ppt 3.00 ppt Detected
PFHxS 5/6/2025 6.10 ppt 3.00 ppt Detected
PFNA 5/6/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 5/6/2025 4.70 ppt 4.00 ppt Detected
PFOA 5/6/2025 7.00 ppt 4.00 ppt Detected
PFDA 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 5/6/2025 6.50 ppt 3.00 ppt Detected
NEtFOSAA 5/6/2025 <5.00 ppt 5.00 ppt Not Detected
ADONA 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 5/6/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 5/6/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/6/2025 <5.00 ppt 5.00 ppt Not Detected
PFHxA 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 5/6/2025 <2.00 ppt 2.00 ppt Not Detected
6:2 FTS 5/6/2025 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 5/6/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 5/6/2025 <4.00 ppt 4.00 ppt Not Detected
PFDoA 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 5/6/2025 <5.00 ppt 5.00 ppt Not Detected
PFPeA 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 5/6/2025 <8.00 ppt 8.00 ppt Not Detected
4:2 FTS 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 5/6/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 5/6/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 5/6/2025 <6.00 ppt 6.00 ppt Not Detected
PFEESA 5/6/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 5/6/2025 <20.00 ppt 20.00 ppt Not Detected
PFPeS 5/6/2025 <4.00 ppt 4.00 ppt Not Detected

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 Ponderosa Park Dwid.

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 AZ0413044 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 Ponderosa Park Dwid 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 E. COLI MR 2 SDWIS / AZ0413044 / 3014
2024 TTHM MR 8 SDWIS / AZ0413044 / 2950
2024 Total Haloacetic Acids (HAA5) MR 8 SDWIS / AZ0413044 / 2456
2023 Chlorine MR 7 SDWIS / AZ0413044 / 0999
2019 Consumer Confidence Rule Other 21 SDWIS / AZ0413044 / 7000
2006 Nitrate MR 2 SDWIS / AZ0413044 / 1040
2006 Lead and Copper Rule MR 1 SDWIS / AZ0413044 / 5000
2003 Coliform (TCR) MCL 2 SDWIS / AZ0413044 / 3100
2002 Combined Radium (-226 and -228) MCL 2 SDWIS / AZ0413044 / 4010
1998 CYANIDE MR 2 SDWIS / AZ0413044 / 1024
1998 Selenium MR 2 SDWIS / AZ0413044 / 1045
1998 Cadmium MR 2 SDWIS / AZ0413044 / 1015
1998 Barium MR 2 SDWIS / AZ0413044 / 1010
1998 Mercury MR 2 SDWIS / AZ0413044 / 1035
1998 Fluoride MR 2 SDWIS / AZ0413044 / 1025

How Ponderosa Park Dwid Compares

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

Metric Ponderosa Park Dwid Arizona avg Federal benchmark
Total violations 83 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection 6 compounds 95.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 602 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 Ponderosa Park Dwid water safe to drink?
Ponderosa Park Dwid (PWS ID: AZ0413044) has 83 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 6 PFAS compounds found. This system serves 602 people using Groundwater sources.
How many people does Ponderosa Park Dwid serve?
Ponderosa Park Dwid serves 602 people in Prescott, Arizona. It is a Private-owned system using Groundwater water sources with 305 service connections.
What type of violations does Ponderosa Park Dwid have?
Ponderosa Park Dwid has 83 total violations: 7 health-based violations (MCL exceedances or treatment failures), 48 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ponderosa Park Dwid water?
Yes. UCMR5 testing detected 6 PFAS compounds in Ponderosa Park Dwid's water supply: PFPeA, PFBS, PFHxS, PFOS, PFOA, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Ponderosa Park Dwid use?
Ponderosa Park Dwid 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.