Historical Compliance Records AZ

Maricopa Mountain Dwid 2

EPA ID: AZ0411322 ยท 120 people served ยท 1 ZIP code

ZipCheckup's reading of EPA records for Maricopa Mountain Dwid 2 (AZ0411322): 1 violation on record since 2021. Maricopa Mountain Dwid 2's EPA record lists 1 historical violation, and none is listed as open in that record; the utility supplies water to 120 residents.

Data: EPA SDWIS

120
People Served
1
ZIP Code Served
1
Violations (since 2021)
Groundwater
Water Source
Below the reporting limit
Most recent lead 90th percentile on record (monitoring period ending 2024-12-31)
1
Contaminants Flagged
$293K
Median Home Value in ZIP Codes Served

Service Area Map

Coverage area for Maricopa Mountain Dwid 2 Source: EPA SDWIS service area boundaries.

Service area boundary

Demographics of ZIP Codes Served

$85,716
Median Household Income
19,522
Population of ZIP Codes Served (Census)
43%
Disadvantaged Population
60th
Poverty Percentile
60th
Energy Burden Percentile
13%
Pre-1986 Housing

The ZIP codes associated with Maricopa Mountain Dwid 2 have a median household income of $85,716 and about 19,522 residents live in those ZIP codes (Census; not the number of people this system supplies).

Environmental Justice Note: On average, 43% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). 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

Maricopa Mountain Dwid 2's water is classified in EPA records as a groundwater source. 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
30th
Superfund Site Proximity

Infrastructure Risk

20 yr
Estimated pipe age (modeled from housing age)
PEX or Copper
Likely pipe material (modeled)
45 yr
Est. Remaining Life
Stable
Decay Status
Installed 31% of expected lifespan used (estimate) End of life

PFAS in ZIP Codes This System Serves

PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 1 detection recorded.

Health concern: Exposure to certain PFAS has been associated with some cancers and with immune and developmental effects; effects differ by compound. Many PFAS break down very slowly in the environment.
Recommended filter: An activated carbon filter certified under NSF/ANSI 53 or a reverse osmosis system certified under NSF/ANSI 58 for the PFAS listed in its certification. Find the right filter โ†’

Comparable Water Systems

Similar-sized systems in Arizona

27 violations
1 violation
9 violations
Peekaboo Water Coop
100 people
1 violation
33 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Water Filtration PFAS Treatment
Water Filtration $600
PFAS Treatment $500
Total Estimated Cost $1,100

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

Illustrative per-household cost scenario based on stated assumptions:

Estimated Healthcare Costs $500

Annual per household (ZipCheckup estimate)

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 $1,100 (one-time) vs. $5,330 in estimated inaction costs over 10 years.

Individual costs vary by household size, property, and health factors. These estimates are for awareness, not financial advice.

System Overview

Maricopa Mountain Dwid 2 (EPA ID: AZ0411322) is a community water system in Arizona that serves approximately 120 people from groundwater sources.

This system serves ZIP code 85139 in Maricopa.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 1 record in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 1 resolved, 0 archived, 0 addressed, and 0 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
October 2, 2021 Consumer Confidence Rule Non-health-based Resolved

Contaminants Detected

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

Contaminant Category Violations Health-Based
Consumer Confidence Rule Other (notice or report rule) 1 No

Lead & Copper

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

Lead Level Exceeds Action Level Sample Date
Below the reporting limit No 2024-12-31

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

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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.

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 available EPA compliance records for Maricopa Mountain Dwid 2 (AZ0411322) on EPA.gov.

Frequently Asked Questions

Is Maricopa Mountain Dwid 2 water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Maricopa Mountain Dwid 2; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Maricopa Mountain Dwid 2 serve?

Maricopa Mountain Dwid 2 serves approximately 120 people across 1 ZIP code in Arizona.

Where does Maricopa Mountain Dwid 2 get its water?

The primary water source is groundwater.

Frequently Asked Questions

Should I use a water filter? ▼
Given 1 recorded violation, review the violation types and dates; a filter certified for a specific contaminant of concern can reduce that contaminant at the tap. Monitoring or reporting violations are not something a filter addresses.
How many people does Maricopa Mountain Dwid 2 serve? ▼
Maricopa Mountain Dwid 2 serves approximately 120 people with drinking water across 1 ZIP code.
What is Maricopa Mountain Dwid 2's water source? ▼
Maricopa Mountain Dwid 2 draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Maricopa Mountain Dwid 2's water? ▼
The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero. This is at or below the EPA lead action level, which triggers system action and is not a safe level; the EPA health goal for lead is zero.
What is the demographic profile of the ZIP codes associated with Maricopa Mountain Dwid 2? ▼
The ZIP codes mapped to Maricopa Mountain Dwid 2 have a median household income of $85,716 (Census ZIP-code estimate). In CEJST data, 43% of census tracts in the counties mapped to this area are designated disadvantaged (average across mapped ZIP codes), which may indicate greater vulnerability to environmental health risks.
Where does Maricopa Mountain Dwid 2 get its water? ▼
Maricopa Mountain Dwid 2's water is classified in EPA records as a groundwater source. 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 available data, the modeled source-contamination category is moderate; test local water to assess actual exposure.

How to cite this page

APA ZipCheckup. (n.d.). Maricopa Mountain Dwid 2 (AZ): 1 EPA Violation. https://zipcheckup.com/water-system/az0411322/
BibTeX
@misc{zipcheckup-water-system-az0411322,
  author = {{ZipCheckup}},
  title  = {{Maricopa Mountain Dwid 2 (AZ): 1 EPA Violation}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/az0411322/}
}

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

Maricopa Mountain Dwid 2 (EPA ID: AZ0411322) - request the latest Consumer Confidence Report or ask about specific contaminants.

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