Monitoring Violations AZ

Centennial Park Dwid

EPA ID: AZ0408090 · 1,267 people served · 1 ZIP code

Beyond the 3 historical violations on Centennial Park Dwid's EPA record, nothing remains open — the utility is currently compliant and supplies water to 1,267 residents.

Data: EPA SDWIS Last verified: 2026-04-02

D · 51
Avg Safety Score
1,267
People Served
1
ZIP Code Served
3
Violations (5yr)
Groundwater
Water Source
0.0143 mg/L
Max Lead Level
Zone 2
Radon Risk · Moderate
3
Contaminants Flagged
$239K
Median Home Value in Service Area

Service Area Map

Coverage area for Centennial Park Dwid Source: EPA SDWIS service area boundaries.

Service area boundary — Grade D

Service Area Demographics

$75,781
Median Household Income
4,619
Service Area Population
58%
Disadvantaged Population
70th
Poverty Percentile
60th
Energy Burden Percentile
23%
Pre-1986 Housing

The Centennial Park Dwid serves a community with a median household income of $75,781 and an estimated 4,619 residents across its service area.

Environmental Justice Note: 58% 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.

💧 Where Does Your Water Come From?

Groundwater

Centennial Park Dwid'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.

Moderate Risk
Source Contamination Risk
50th
Wastewater Discharge Proximity
0th
Superfund Site Proximity

About 1% of homes in Mohave County, Arizona rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Infrastructure Risk

31 yr
Avg Pipe Age
Copper
Pipe Material
39 yr
Est. Remaining Life
Stable
Decay Status
Installed 44% of expected lifespan used End of life

Detected Contaminants

How Centennial Park Dwid compares to EPA limits

Gross Beta 1 pCi/L (2% of limit)
0 EPA Limit: 50 pCi/L

What This Means For You

Total Coliform at 1 presence exceeds the EPA maximum of presence.

Gross Alpha at 1 pCi/L exceeds the EPA maximum of pCi/L. Increased cancer risk from radioactive particles. Consider reverse osmosis filtration.

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 6 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 →

Gross Alpha was detected in this water system. reverse osmosis filtration can reduce exposure.

Find a certified water filter →

Comparable Water Systems

Similar-sized systems in Arizona

Cameron Trading Post
1,270 people
C 47 violations
St David Dwid
1,255 people
B 13 violations
Epcor - Moovalya Keys
1,298 people
0 violations
0 violations
0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

PFAS Treatment Radon Mitigation
PFAS Treatment $600
Radon Mitigation $400
Total Estimated Cost $1,000

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 $500

Annual per household (CDC est.)

PFAS Exposure — Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$2,665
10 years
$5,330
20 years
$10,660

Compare: Estimated remediation cost is $1,000 (one-time) vs. $5,330 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

Centennial Park Dwid (EPA ID: AZ0408090) is a community water system in Arizona that serves approximately 1,267 people from groundwater sources.

This system serves ZIP code 86021 in Colorado City.

Average Home Safety Score: D (51/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

3 monitoring/reporting violations recorded. These are procedural violations (missed tests or late reports), not necessarily water safety issues.

Contaminants Detected

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

Contaminant Category Violations Health-Based
Total Coliform Microbiological 1 No
Gross Alpha Radionuclides 1 No
Gross Beta Radionuclides 1 No

Lead & Copper

EPA Lead and Copper Rule sampling data for ZIP codes served by this system:

ZIP Code Lead Level Exceeds Limit Sample Date
86021 0.0143 mg/L No N/A

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 $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

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

ZIP Codes Served

  • 86021 — Colorado City

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Centennial Park Dwid (AZ0408090) on EPA.gov.

Frequently Asked Questions

Is Centennial Park Dwid water safe to drink?

Centennial Park Dwid has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.

How many people does Centennial Park Dwid serve?

Centennial Park Dwid serves approximately 1,267 people across 1 ZIP code in Arizona.

Where does Centennial Park Dwid get its water?

The primary water source is groundwater.

Lead Service Line Inventory

Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:

0
Confirmed Lead
0
Galvanized — Replacement Required
91
Unknown Material
262
Confirmed Non-Lead

This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Reported all required service line types
Latest tap sample on 2023-01-01 did not exceed the federal lead action level.
Population served: 1,578
Reported to Arizona

Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026

ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.

Learn about lead in drinking water →

Frequently Asked Questions

Is water from Centennial Park Dwid safe to drink?
Centennial Park Dwid has a D safety grade based on 3 recorded violations. Some contaminants may exceed EPA limits — independent testing is recommended.
What contaminants are in Centennial Park Dwid's water?
Detected contaminants include Total Coliform, Gross Alpha, Gross Beta. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 2 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 Centennial Park Dwid serve?
Centennial Park Dwid serves approximately 1,267 people with drinking water across 1 ZIP code.
What is Centennial Park Dwid's water source?
Centennial Park Dwid draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Centennial Park Dwid's water?
The maximum detected lead level is 0.0143 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Centennial Park Dwid's service area?
The Centennial Park Dwid service area has a median household income of $75,781. EPA EJScreen data classifies 58% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Centennial Park Dwid get its water?
Centennial Park Dwid'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 available data, the source contamination risk is moderate.

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 →

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report →

3

Contact your utility

Centennial Park Dwid (EPA ID: AZ0408090) — request the latest Consumer Confidence Report or ask about specific contaminants.

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