Current Health-Based Noncompliance AZ 7 HEALTH VIOLATIONS

Big Park Water Company

EPA ID: AZ0413012 ยท 7,392 people served ยท 1 ZIP code

ZipCheckup's reading of EPA SDWIS for Big Park Water Company (AZ0413012): 2 unresolved EPA violations on record. Unlike fully compliant utilities, Big Park Water Company has 2 outstanding EPA violations for approximately 7,392 residents.

Data: EPA SDWIS

D ยท 50
Avg Safety Score
7,392
People Served
1
ZIP Code Served
197
Violations (5yr)
Groundwater
Water Source
Zone 2
Radon Risk ยท Moderate
26
Contaminants Flagged
$658K
Median Home Value in Service Area

Service Area Map

Coverage area for Big Park Water Company Source: EPA SDWIS service area boundaries.

Service area boundary - Grade D

Service Area Demographics

$80,304
Median Household Income
6,560
Service Area Population
38%
Disadvantaged Population
60th
Poverty Percentile
60th
Energy Burden Percentile
33%
Pre-1986 Housing

The Big Park Water Company serves a community with a median household income of $80,304 and an estimated 6,560 residents across its service area.

Environmental Justice Note: 38% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

๐Ÿ’ง Where Does Your Water Come From?

Groundwater

Big Park Water Company's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Elevated Risk
Source Contamination Risk
60th
Wastewater Discharge Proximity
40th
Superfund Site Proximity

Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.

Infrastructure Risk

29 yr
Avg Pipe Age
Copper
Pipe Material
41 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 41% of expected lifespan used End of life

Detected Contaminants

How Big Park Water Company compares to EPA limits

PFOA 8 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.000004 mg/L
PFNA 8 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.00001 mg/L
Chlorodibromomethane 8 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.002 mg/L
Liver cancer, brain cancer (known carcinogen)
Bromate 8 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.01 mg/L
Monochloroacetic Acid 8 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.06 mg/L

What This Means For You

PFOA at 8 mg/L exceeds the EPA maximum of 0.000004 mg/L.

PFNA at 8 mg/L exceeds the EPA maximum of 0.00001 mg/L.

Chlorodibromomethane at 8 mg/L exceeds the EPA maximum of 0.002 mg/L. Liver cancer, brain cancer (known carcinogen). Consider granular activated carbon (GAC) filtration.

Bromate at 8 mg/L exceeds the EPA maximum of 0.01 mg/L.

Monochloroacetic Acid at 8 mg/L exceeds the EPA maximum of 0.06 mg/L.

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 7 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS). 1 exceeds state limits.

State limits: PFOA: 0.01 ppt, PFOS: 0.01 ppt
Health concern: PFAS are linked to cancer, thyroid disease, immune suppression, and developmental effects. They do not break down naturally.
Recommended filter: Reverse osmosis (RO) or activated carbon filters certified for PFAS removal. Find the right filter โ†’

Chlorodibromomethane was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.

Find a certified water filter โ†’

Comparable Water Systems

Similar-sized systems in Arizona

City of Page
7,420 people
B 7 violations
City of Globe
7,536 people
C 8 violations
City of Buckeye
7,008 people
6 violations
City of Eloy
7,903 people
C 23 violations
2 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance PFAS Treatment Radon Mitigation Water Filtration
Flood Insurance $1,800
PFAS Treatment $600
Radon Mitigation $400
Water Filtration $300
Total Estimated Cost $3,100

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $1,500

Annual per household (CDC est.)

Estimated Property Value Decline $32,915

5% of median home value (EPA est.)

PFAS Exposure - Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$24,125
10 years
$48,250
20 years
$96,500

Compare: Estimated remediation cost is $3,100 (one-time) vs. $48,250 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Big Park Water Company (EPA ID: AZ0413012) is a community water system in Arizona that serves approximately 7,392 people from groundwater sources.

This system serves ZIP code 86351 in Sedona.

ZIP-Area Home Safety Context: D (50/100)

This is the average Home Safety Score for 1 of 1 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.

Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.

Violation History

1 current health-based noncompliance record in the accepted 2026Q2 snapshot.

Status breakdown for accepted records with record years 2021-2026: 195 resolved, 0 archived, 0 addressed, and 2 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Date Contaminant Type Status
December 28, 2025 Total Coliform Non-health-based Resolved
December 13, 2025 Total Coliform Non-health-based Resolved
November 9, 2025 Consumer Confidence Report Rule Health-based Unaddressed (current)
October 2, 2025 Surface Water Treatment Rule Non-health-based Unaddressed (current)
October 1, 2025 Barium Non-health-based Resolved
October 1, 2025 Barium Non-health-based Resolved
June 22, 2025 Lead and Copper Rule Non-health-based Resolved
April 1, 2025 PFOA Non-health-based Resolved
April 1, 2025 PFNA Non-health-based Resolved
April 1, 2025 Monochloroacetic Acid Non-health-based Resolved
April 1, 2025 Dichloroacetic Acid Non-health-based Resolved
April 1, 2025 Bromodichloromethane Non-health-based Resolved
April 1, 2025 Dibromochloromethane Non-health-based Resolved
April 1, 2025 Bromoform Non-health-based Resolved
April 1, 2025 Chlorodibromomethane Non-health-based Resolved
April 1, 2025 Trichloroacetic Acid Non-health-based Resolved
April 1, 2025 Monobromoacetic Acid Non-health-based Resolved
April 1, 2025 Dibromoacetic Acid Non-health-based Resolved
April 1, 2025 Bromochloroacetic Acid Non-health-based Resolved
April 1, 2025 Bromodichloroacetic Acid Non-health-based Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Barium Inorganic 14 Yes
PFOA PFAS 8 No
PFNA PFAS 8 No
Monochloroacetic Acid Disinfection Byproducts 8 No
Dichloroacetic Acid Disinfection Byproducts 8 No
Bromodichloromethane Disinfection Byproducts 8 No
Dibromochloromethane Disinfection Byproducts 8 No
Bromoform Disinfection Byproducts 8 No
Chlorodibromomethane Disinfection Byproducts 8 No
Trichloroacetic Acid Disinfection Byproducts 8 No
Monobromoacetic Acid Disinfection Byproducts 8 No
Dibromoacetic Acid Disinfection Byproducts 8 No
Bromochloroacetic Acid Disinfection Byproducts 8 No
Bromodichloroacetic Acid Disinfection Byproducts 8 No
Chlorodibromoacetic Acid Disinfection Byproducts 8 No

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

Lead Level Exceeds Action Level Sample Date
0 mg/L No N/A

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Need help with your water quality?

Typical cost: Water test: typically $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking โ€” this helps flush lead from your pipes.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by AZ or modeled from parcel and building-footprint data.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Big Park Water Company (AZ0413012) on EPA.gov.

Frequently Asked Questions

Is Big Park Water Company water safe to drink?

The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Big Park Water Company. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.

How many people does Big Park Water Company serve?

Big Park Water Company serves approximately 7,392 people across 1 ZIP code in Arizona.

Where does Big Park Water Company get its water?

The primary water source is groundwater.

Federal UCMR5 PFAS Monitoring: Above Current MCL

This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). One or more PFAS compounds were measured above the current state-enforceable MCL.

Samples collected
290
Detections
9
Latest sample
8/14/2023
Highest analyte
PFBS: 28 ppt
Analyte Max detected Current MCL Status
PFOA 21 ppt 10 ppt Above current MCL
PFBS 28 ppt โ€” โ€”
PFPeA 4.6 ppt โ€” โ€”
PFHxA 4.6 ppt โ€” โ€”
PFOS 4.1 ppt 10 ppt Above 2029 federal MCL
PFHpA 4 ppt โ€” โ€”

Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.

Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) โ€” per-system federal sampling, 2023โ€“2025. EPA UCMR5 monitoring program โ†’

Understand PFAS health context and filtration โ†’

Frequently Asked Questions

Is water from Big Park Water Company safe to drink?
Big Park Water Company has a D safety grade based on 197 recorded violations. Some contaminants may exceed EPA limits - independent testing is recommended.
What contaminants are in Big Park Water Company's water?
Detected contaminants include PFOA, PFNA, Chlorodibromomethane, Bromate. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 5 contaminants above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Big Park Water Company serve?
Big Park Water Company serves approximately 7,392 people with drinking water across 1 ZIP code.
What is Big Park Water Company's water source?
Big Park Water Company draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
What is the demographic profile of Big Park Water Company's service area?
The Big Park Water Company service area has a median household income of $80,304. EPA EJScreen data classifies 38% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Big Park Water Company get its water?
Big Park Water Company's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table. Based on the exported violation history and environmental factors, the source contamination risk is classified as elevated.

How to cite this page

APA ZipCheckup. (n.d.). Big Park Water Company (AZ): 7 Health Violations. https://zipcheckup.com/water-system/az0413012/
BibTeX
@misc{zipcheckup-water-system-az0413012,
  author = {{ZipCheckup}},
  title  = {{Big Park Water Company (AZ): 7 Health Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/az0413012/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

Big Park Water Company (EPA ID: AZ0413012) - request the latest Consumer Confidence Report or ask about specific contaminants.

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