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Non-Transient Non-Community Water System · PWS AZ0413250

Immaculate Conception Church

Cottonwood, Arizona 85326 - drinking water served from groundwater sources to 600 people, tracked in EPA SDWIS and UCMR5.

600
People served
19
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 19 drinking-water violations at Immaculate Conception Church, 11% of them health-based - below the Arizona per-system average.

19
Total EPA violations on record
11%
Health-based (MCL / treatment failure)
600
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Immaculate Conception Church

Immaculate Conception Church is a public/private-owned non-transient non-community water system that delivers drinking water to 600 residents in Cottonwood, Arizona (Yavapai County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 19 total violations for this system , of which 2 (11%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 10 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 6 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Arizona, EPA tracks 1,493 public water systems serving 7,322,166 people, with 228,944 cumulative violations and 15,663 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 153.3 violations. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%).

Immaculate Conception Church's 19 violations sit below the Arizona average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
600
Total Violations
19
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Public/Private
Connections
4
County
Yavapai
School/Daycare
No
MCL Violations
0
Monitoring Violations
10
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 6 2009
TTHM MR 2 2021
LEAD AND COPPER RULE REVISIONS TT 2 2024
Total Haloacetic Acids (HAA5) MR 2 2021
LEAD AND COPPER RULE REVISIONS RPT 2 2024
Revised Total Coliform Rule RPT 1 2017
Public Notice Other 1 2024

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Immaculate Conception Church.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID AZ0413250 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arizona Drinking Water Authority

Arizona DEQ, Drinking Water Program is the primacy agency that licenses and inspects Immaculate Conception Church under EPA-delegated authority.

Open AZ regulator portal

Source: Arizona DEQ, Drinking Water Program

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / AZ0413250 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / AZ0413250 / 5200
2024 Public Notice Other 1 SDWIS / AZ0413250 / 7500
2021 TTHM MR 2 SDWIS / AZ0413250 / 2950
2021 Total Haloacetic Acids (HAA5) MR 2 SDWIS / AZ0413250 / 2456
2017 Revised Total Coliform Rule RPT 1 SDWIS / AZ0413250 / 8000
2009 Coliform (TCR) MR 6 SDWIS / AZ0413250 / 3100

How Immaculate Conception Church Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Immaculate Conception Church Arizona avg Federal benchmark
Total violations 19 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 95.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 600 4,904 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,493 regulated public water systems in Arizona.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Immaculate Conception Church water safe to drink? ▼
Immaculate Conception Church (PWS ID: AZ0413250) has 19 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 600 people using Groundwater sources.
How many people does Immaculate Conception Church serve? ▼
Immaculate Conception Church serves 600 people in Cottonwood, Arizona. It is a Public/Private-owned system using Groundwater water sources with 4 service connections.
What type of violations does Immaculate Conception Church have? ▼
Immaculate Conception Church has 19 total violations: 2 health-based violations (MCL exceedances or treatment failures), 10 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Immaculate Conception Church water? ▼
No PFAS testing data is available for Immaculate Conception Church under the EPA's UCMR5 monitoring program.
What water source does Immaculate Conception Church use? ▼
Immaculate Conception Church uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.