Historical Compliance Records AZ

Benson, City of Water System

EPA ID: AZ0402005 ยท 5,355 people served ยท 3 ZIP codes

ZipCheckup's reading of EPA SDWIS for Benson, City of Water System (AZ0402005): 5 EPA violations in the last five years. Five years tracked: Benson, City of Water System had 5 violations, all cleared, 5,355 served.

Data: EPA SDWIS

C ยท 67
Avg Safety Score
5,355
People Served
3
ZIP Codes Served
5
Violations (5yr)
Groundwater
Water Source
Zone 2
Radon Risk ยท Moderate
3
Contaminants Flagged
$172K
Median Home Value in Service Area

Service Area Map

Coverage area for Benson, City of Water System Source: EPA SDWIS service area boundaries.

Service area boundary - Grade C

Service Area Demographics

$51,516
Median Household Income
12,348
Service Area Population
69%
Disadvantaged Population
70th
Poverty Percentile
60th
Energy Burden Percentile
26%
Pre-1986 Housing

The Benson, City of Water System serves a community with a median household income of $51,516 and an estimated 12,348 residents across its service area.

Environmental Justice Note: 69% 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

Benson, City of Water System'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
20th
Wastewater Discharge Proximity
20th
Superfund Site Proximity

Infrastructure Risk

32 yr
Avg Pipe Age
Copper
Pipe Material
38 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 46% of expected lifespan used End of life

Detected Contaminants

How Benson, City of Water System compares to EPA limits

What This Means For You

Stage 1 DBP Rule at 3 mg/L exceeds the EPA maximum of mg/L.

Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.

Lead and Copper Rule at 1 mg/L exceeds the EPA maximum of mg/L.

Comparable Water Systems

Similar-sized systems in Arizona

Ponderosa Dwid
5,375 people
39 violations
Epcor- Rio Verde
5,330 people
B 3 violations
1 violation
1 violation
North Mohave Valley
5,190 people
D 37 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance Radon Mitigation Water Filtration
Flood Insurance $800
Radon Mitigation $400
Water Filtration $400
Total Estimated Cost $1,600

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.)

Estimated Cumulative Cost Per Household

5 years
$5,000
10 years
$10,000
20 years
$20,000

Compare: Estimated remediation cost is $1,600 (one-time) vs. $10,000 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

Benson, City of Water System (EPA ID: AZ0402005) is a community water system in Arizona that serves approximately 5,355 people from groundwater sources.

This system provides water to 3 ZIP codes across 3 communities.

ZIP-Area Home Safety Context: C (67/100)

This is the average Home Safety Score for 1 of 3 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

No current noncompliance in the accepted 2026Q2 snapshot. The 5 records in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 5 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
January 1, 2026 Stage 1 DBP Rule Non-health-based Resolved
October 19, 2025 Lead and Copper Rule Non-health-based Resolved
October 1, 2024 Stage 1 DBP Rule Non-health-based Resolved
October 2, 2022 Surface Water Treatment Rule Non-health-based Resolved
January 1, 2022 Stage 1 DBP 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
Stage 1 DBP Rule Treatment Failure 3 No
Surface Water Treatment Rule Treatment Failure 1 No
Lead and Copper Rule Treatment Failure 1 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 Benson, City of Water System (AZ0402005) on EPA.gov.

Frequently Asked Questions

Is Benson, City of Water System water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Benson, City of Water System; its 5 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Benson, City of Water System serve?

Benson, City of Water System serves approximately 5,355 people across 3 ZIP codes in Arizona.

Where does Benson, City of Water System 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
232

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†’

How Water Systems Appear in Rankings

Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.

Frequently Asked Questions

Is water from Benson, City of Water System safe to drink?
Benson, City of Water System has a C safety grade based on 5 recorded violations. Some contaminants may exceed EPA limits - independent testing is recommended.
What contaminants are in Benson, City of Water System's water?
Detected contaminants include Stage 1 DBP Rule, Surface Water Treatment Rule, Lead and Copper Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 3 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 Benson, City of Water System serve?
Benson, City of Water System serves approximately 5,355 people with drinking water across 3 ZIP codes.
What is Benson, City of Water System's water source?
Benson, City of Water System draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
What is the demographic profile of Benson, City of Water System's service area?
The Benson, City of Water System service area has a median household income of $51,516. EPA EJScreen data classifies 69% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Benson, City of Water System get its water?
Benson, City of Water System'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.

How to cite this page

APA ZipCheckup. (n.d.). Benson, City of Water System (AZ): 5 EPA Violations. https://zipcheckup.com/water-system/az0402005/
BibTeX
@misc{zipcheckup-water-system-az0402005,
  author = {{ZipCheckup}},
  title  = {{Benson, City of Water System (AZ): 5 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/az0402005/}
}

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

Benson, City of Water System (EPA ID: AZ0402005) - request the latest Consumer Confidence Report or ask about specific contaminants.

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