Historical Compliance Records AZ

Metropolitan Dwid - Diablo Village

EPA ID: AZ0410357 ยท 5,542 people served ยท 1 ZIP code

ZipCheckup's reading of EPA SDWIS for Metropolitan Dwid - Diablo Village (AZ0410357): 10 EPA violations in the last five years. On record: Metropolitan Dwid - Diablo Village, 10 violations, all resolved, 5,542 in service area.

Data: EPA SDWIS

5,542
People Served
1
ZIP Code Served
10
Violations (5yr)
Groundwater
Water Source
5
Contaminants Flagged
$266K
Median Home Value in Service Area

Service Area Map

Coverage area for Metropolitan Dwid - Diablo Village Source: EPA SDWIS service area boundaries.

Service area boundary

Service Area Demographics

$83,741
Median Household Income
20,304
Service Area Population
39%
Disadvantaged Population
50th
Poverty Percentile
50th
Energy Burden Percentile
20%
Pre-1986 Housing

The Metropolitan Dwid - Diablo Village serves a community with a median household income of $83,741 and an estimated 20,304 residents across its service area.

Environmental Justice Note: 39% 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

Metropolitan Dwid - Diablo Village'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
40th
Wastewater Discharge Proximity
50th
Superfund Site Proximity

Infrastructure Risk

20 yr
Avg Pipe Age
PEX or Copper
Pipe Material
45 yr
Est. Remaining Life
Stable
Decay Status
Installed 31% of expected lifespan used End of life

Detected Contaminants

How Metropolitan Dwid - Diablo Village compares to EPA limits

Haloacetic Acids (HAA5) 2 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.06 mg/L
Cancer risk; reproductive & developmental effects
Total Trihalomethanes (TTHM) 2 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.08 mg/L
Bladder & rectal cancer risk; reproductive concerns
Barium 2 mg/L (100% of limit)
0 EPA Limit: 2 mg/L

What This Means For You

Haloacetic Acids (HAA5) at 2 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.

Total Trihalomethanes (TTHM) at 2 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.

Consumer Confidence Report Rule at 2 mg/L exceeds the EPA maximum of mg/L.

Revised Total Coliform Rule at 2 presence exceeds the EPA maximum of presence.

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection recorded.

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†’

Haloacetic Acids (HAA5) 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

Snowflake Town of
5,590 people
C 9 violations
1 violation
Ponderosa Dwid
5,375 people
39 violations
C 5 violations
Epcor- Rio Verde
5,330 people
B 3 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance Water Filtration PFAS Treatment Radon Mitigation
Flood Insurance $1,200
Water Filtration $600
PFAS Treatment $500
Radon Mitigation $400
Total Estimated Cost $2,700

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 $1,000

Annual per household (CDC est.)

PFAS Exposure - Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$5,165
10 years
$10,330
20 years
$20,660

Compare: Estimated remediation cost is $2,700 (one-time) vs. $10,330 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

Metropolitan Dwid - Diablo Village (EPA ID: AZ0410357) is a community water system in Arizona that serves approximately 5,542 people from groundwater sources.

This system serves ZIP code 85757 in Tucson.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 10 records in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 10 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
July 1, 2024 Haloacetic Acids (HAA5) Non-health-based Resolved
July 1, 2024 Total Trihalomethanes (TTHM) Non-health-based Resolved
July 1, 2023 Consumer Confidence Report Rule Non-health-based Resolved
July 1, 2023 Barium Non-health-based Resolved
April 1, 2023 Barium Non-health-based Resolved
January 1, 2023 Haloacetic Acids (HAA5) Non-health-based Resolved
January 1, 2023 Total Trihalomethanes (TTHM) Non-health-based Resolved
July 1, 2022 Consumer Confidence Report Rule Non-health-based Resolved
July 1, 2021 Revised Total Coliform Rule Non-health-based Resolved
April 1, 2021 Revised Total Coliform 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
Barium Inorganic 2 No
Total Trihalomethanes (TTHM) Disinfection Byproducts 2 No
Haloacetic Acids (HAA5) Disinfection Byproducts 2 No
Consumer Confidence Report Rule Reporting Failure 2 No
Revised Total Coliform Rule Microbiological 2 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.

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 Metropolitan Dwid - Diablo Village (AZ0410357) on EPA.gov.

Frequently Asked Questions

Is Metropolitan Dwid - Diablo Village water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Metropolitan Dwid - Diablo Village; its 10 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Metropolitan Dwid - Diablo Village serve?

Metropolitan Dwid - Diablo Village serves approximately 5,542 people across 1 ZIP code in Arizona.

Where does Metropolitan Dwid - Diablo Village get its water?

The primary water source is groundwater.

Federal UCMR5 PFAS Monitoring: Tested Clean

This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.

Samples collected
116

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

What contaminants are in Metropolitan Dwid - Diablo Village's water?
Detected contaminants include Haloacetic Acids (HAA5), Total Trihalomethanes (TTHM), Consumer Confidence Report Rule, Revised Total Coliform Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 4 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 Metropolitan Dwid - Diablo Village serve?
Metropolitan Dwid - Diablo Village serves approximately 5,542 people with drinking water across 1 ZIP code.
What is Metropolitan Dwid - Diablo Village's water source?
Metropolitan Dwid - Diablo Village draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
What is the demographic profile of Metropolitan Dwid - Diablo Village's service area?
The Metropolitan Dwid - Diablo Village service area has a median household income of $83,741. EPA EJScreen data classifies 39% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Metropolitan Dwid - Diablo Village get its water?
Metropolitan Dwid - Diablo Village'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.). Metropolitan Dwid - Diablo Village (AZ): 10 EPA Violations. https://zipcheckup.com/water-system/az0410357/
BibTeX
@misc{zipcheckup-water-system-az0410357,
  author = {{ZipCheckup}},
  title  = {{Metropolitan Dwid - Diablo Village (AZ): 10 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/az0410357/}
}

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

Metropolitan Dwid - Diablo Village (EPA ID: AZ0410357) - request the latest Consumer Confidence Report or ask about specific contaminants.

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