Monitoring Violations AZ

Cottonwood Municipal Water Vsf1

EPA ID: AZ0413164 · 2,194 people served · 3 ZIP codes

The EPA enforcement database lists 4 active violations for Cottonwood Municipal Water Vsf1 — a provider that delivers drinking water to approximately 2,194 people and has not yet formally resolved those findings.

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

C · 62
Avg Safety Score
2,194
People Served
3
ZIP Codes Served
11
Violations (5yr)
Groundwater
Water Source
0.0016 mg/L
Max Lead Level
Zone 2
Radon Risk · Moderate
5
Contaminants Flagged
$312K
Median Home Value in Service Area

Compliance Trajectory

Worsening · Risk tier: High · 95% chance of violation in next 12 months

Violations went from 2 (2021) to 5 (2025). The pattern suggests growing compliance challenges.

Service Area Map

Coverage area for Cottonwood Municipal Water Vsf1 Source: EPA SDWIS service area boundaries.

Service area boundary — Grade C

Service Area Demographics

$59,018
Median Household Income
43,556
Service Area Population
38%
Disadvantaged Population
60th
Poverty Percentile
60th
Energy Burden Percentile
38%
Pre-1986 Housing

The Cottonwood Municipal Water Vsf1 serves a community with a median household income of $59,018 and an estimated 43,556 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.

💧 Where Does Your Water Come From?

Groundwater

Cottonwood Municipal Water Vsf1'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

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

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

Infrastructure Risk

41 yr
Avg Pipe Age
Copper
Pipe Material
29 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 59% of expected lifespan used End of life

Detected Contaminants

How Cottonwood Municipal Water Vsf1 compares to EPA limits

Total Trihalomethanes (TTHM) 1 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

Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.

Revised Total Coliform Rule at 4 presence exceeds the EPA maximum of presence.

Consumer Confidence Report 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.

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 →

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

Find a certified water filter →

Comparable Water Systems

Similar-sized systems in Arizona

0 violations
Ash Fork Water Service
2,250 people
B 6 violations
C 8 violations
C 17 violations
Epcor - Tubac
2,076 people
C 21 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance Radon Mitigation Water Filtration PFAS Treatment
Flood Insurance $1,200
Radon Mitigation $400
Water Filtration $300
PFAS Treatment $167
Total Estimated Cost $2,067

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 $2,067 (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

Cottonwood Municipal Water Vsf1 (EPA ID: AZ0413164) is a community water system in Arizona that serves approximately 2,194 people from groundwater sources.

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

Average Home Safety Score: C (62/100)

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

Violation History

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

Recent Violations

Date Contaminant Type Status
July 1, 2025 Barium Monitoring Unresolved
January 1, 2024 Total Trihalomethanes (TTHM) Monitoring Unresolved
January 1, 2024 Barium Monitoring Resolved
October 2, 2023 Surface Water Treatment Rule Monitoring Resolved
October 1, 2023 Revised Total Coliform Rule Monitoring Resolved
July 1, 2023 Revised Total Coliform Rule Monitoring Unresolved
June 1, 2023 Consumer Confidence Report Rule Monitoring Resolved
May 1, 2023 Consumer Confidence Report Rule Monitoring Resolved
January 1, 2023 Revised Total Coliform Rule Monitoring Unresolved

Contaminants Detected

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

Contaminant Category Violations Health-Based
Revised Total Coliform Rule Microbiological 4 No
Consumer Confidence Report Rule Reporting Failure 3 No
Barium Inorganic 2 No
Total Trihalomethanes (TTHM) Disinfection Byproducts 1 No
Surface Water Treatment Rule Treatment Failure 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
86325 0.0016 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

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 Cottonwood Municipal Water Vsf1 (AZ0413164) on EPA.gov.

Frequently Asked Questions

Is Cottonwood Municipal Water Vsf1 water safe to drink?

Cottonwood Municipal Water Vsf1 has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.

How many people does Cottonwood Municipal Water Vsf1 serve?

Cottonwood Municipal Water Vsf1 serves approximately 2,194 people across 3 ZIP codes in Arizona.

Where does Cottonwood Municipal Water Vsf1 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
0
Unknown Material
960
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 2022-01-01 did not exceed the federal lead action level.
Population served: 2,194
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 Cottonwood Municipal Water Vsf1 safe to drink?
Cottonwood Municipal Water Vsf1 has a C safety grade based on 11 recorded violations. Some contaminants may exceed EPA limits — independent testing is recommended.
What contaminants are in Cottonwood Municipal Water Vsf1's water?
Detected contaminants include Total Trihalomethanes (TTHM), Revised Total Coliform Rule, Consumer Confidence Report Rule, Barium. 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 Cottonwood Municipal Water Vsf1 serve?
Cottonwood Municipal Water Vsf1 serves approximately 2,194 people with drinking water across 3 ZIP codes.
What is Cottonwood Municipal Water Vsf1's water source?
Cottonwood Municipal Water Vsf1 draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Cottonwood Municipal Water Vsf1's water?
The maximum detected lead level is 0.0016 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Cottonwood Municipal Water Vsf1's service area?
The Cottonwood Municipal Water Vsf1 service area has a median household income of $59,018. EPA EJScreen data classifies 38% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Cottonwood Municipal Water Vsf1 get its water?
Cottonwood Municipal Water Vsf1'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 violation history and environmental factors, the source contamination risk is currently elevated.

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

Cottonwood Municipal Water Vsf1 (EPA ID: AZ0413164) — request the latest Consumer Confidence Report or ask about specific contaminants.

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