Cottonwood Water Quality

Arizona

Health Violations

According to EPA SDWIS, Cottonwood, Arizona is served by 9 community water systems covering about 23,400 people. The same extract lists 249 health-based violation records, most recently coded 1005 in 2025. Counts are historical EPA registry rows, not a current compliance or drinkability score.

9
Water Systems
23,400
Population Served
249
Health-Based Violation Records
2
Distinct Contaminant Codes

Drinking water in Cottonwood, Arizona is delivered through 9 EPA-regulated community water systems serving an estimated 23,400 people. Each system is tracked in the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act, which requires testing for regulated contaminants, consumer notification of violations, and publication of an annual Consumer Confidence Report.

PlainEnviro's health-based SDWIS extract shows 249 violation records across the 9 active community systems shown here. Monitoring and reporting records are not present in the extract. The records carry 2 distinct EPA contaminant codes: Arsenic, Thallium, Total.

A past EPA health-based registry row does not describe water delivered today or current compliance status; utilities notify customers and remediate under state primacy oversight when required. For current water-quality status and treatment practices, review your local utility's most recent Consumer Confidence Report or contact the Arizona drinking water program. All records above reflect federal EPA SDWIS data and are not independently verified against state databases.

Community Water Systems

System Name Pop. Served Violations Status
COTTONWOOD MUNICIPAL WATER CW1 11,023 144 Health
COTTONWOOD MUNICIPAL WATER VV6 4,509 18 Health
COTTONWOOD MUNICIPAL WATER VV2 2,893 4 Health
COTTONWOOD MUNICIPAL WATER VSF1 2,194 4 Health
COTTONWOOD MUNICIPAL WATER VV3 1,458 60 Health
COTTONWOOD MUNICIPAL WATER VV 1 785 0 Clean
VERDE VALLEY MANOR 275 0 Clean
ON THE GREENS 173 1 Health
RIO VERDE RV PARK 90 18 Health

Does this city have health-based water violations?

These health-based records can represent Maximum Contaminant Level (MCL), Treatment Technique (TT), or Maximum Residual Disinfectant Level (MRDL) categories. A historical record does not establish that water is currently unsafe.

Water system Contaminant Begin Date
ON THE GREENS Arsenic 2025-10-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2021-04-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2021-04-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2021-04-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2021-04-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2021-01-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2021-01-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2021-01-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2021-01-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2021-01-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2021-01-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2021-01-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2021-01-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2020-10-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2020-10-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2020-10-01
COTTONWOOD MUNICIPAL WATER CW1 Arsenic 2020-10-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2019-10-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2019-10-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2019-10-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2019-07-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2019-07-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2019-07-01
RIO VERDE RV PARK Arsenic 2018-10-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2018-10-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2018-10-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2018-10-01
RIO VERDE RV PARK Arsenic 2018-07-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2018-07-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2018-07-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2018-07-01
RIO VERDE RV PARK Arsenic 2018-04-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2018-04-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2018-04-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2018-04-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2018-04-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2018-04-01
COTTONWOOD MUNICIPAL WATER VV6 Arsenic 2018-04-01
RIO VERDE RV PARK Arsenic 2018-01-01
RIO VERDE RV PARK Arsenic 2017-10-01
RIO VERDE RV PARK Arsenic 2017-07-01
RIO VERDE RV PARK Arsenic 2017-04-01
RIO VERDE RV PARK Arsenic 2017-01-01
RIO VERDE RV PARK Arsenic 2016-10-01
COTTONWOOD MUNICIPAL WATER VV2 Thallium, Total 2016-10-01
COTTONWOOD MUNICIPAL WATER VV2 Thallium, Total 2016-10-01
COTTONWOOD MUNICIPAL WATER VV2 Thallium, Total 2016-10-01
COTTONWOOD MUNICIPAL WATER VV2 Thallium, Total 2016-10-01
RIO VERDE RV PARK Arsenic 2016-07-01
RIO VERDE RV PARK Arsenic 2016-04-01

What are Cottonwood's health-based records for?

Cottonwood's health-based violation records carry 2 distinct EPA codes: some name a substance, others the drinking-water rule that was breached. Counts are records on file in the EPA SDWIS extract, not current test results.

Contaminant Records Systems
Arsenic 245 6
Thallium, Total 4 1

Frequently Asked Questions

What does EPA SDWIS list for drinking water in Cottonwood, Arizona?
Cottonwood is listed with 9 EPA-regulated water systems covering approximately 23,400 people. 249 health-based violation records appear in the extract. A past registry row is not a current drinkability verdict; contact the local utility for current status.
How many water violations does Cottonwood have in this EPA extract?
Cottonwood water systems have 249 health-based violation records in PlainEnviro's EPA SDWIS extract. This extract is filtered to EPA health-based records and does not include monitoring or reporting violations.
What contaminants were found in Cottonwood water?
Health-based records for Cottonwood water systems carry the following EPA contaminant codes: Arsenic, Thallium, Total. This source edition does not include authoritative contaminant names. Source: EPA SDWIS.
How many water systems serve Cottonwood?
9 EPA-regulated community water systems serve Cottonwood, Arizona, collectively covering approximately 23,400 people. Data is from the EPA Safe Drinking Water Information System (SDWIS).
Where does Cottonwood get its drinking water?
Cottonwood's water supply comes from 9 EPA-regulated community water systems. Source type data is not available for all systems. For detailed supply information, contact your local water utility. Source: EPA SDWIS.

How does Cottonwood compare in Arizona?

Of the 191 Arizona places with at least one community water system on file, Cottonwood ranks #18 by number of systems (9).

Either side of it: Fort Defiance (11), Bullhead City (10), Gilbert (9), Surprise (9)

About This Data

Figures here are the current EPA SDWIS extract joined to the 9 community water systems whose service area lists Cottonwood, ranked against the 191 Arizona places with at least one system on file. Data current as of 2026-08-25.

Water system data comes from the EPA's Safe Drinking Water Information System (SDWIS). PlainEnviro's violation fetch is restricted upstream to records EPA flags as health-based and then joined to active community water systems. Monitoring and reporting violations are not included.

A health-based violation row in this extract is a historical EPA registry entry. It does not describe water delivered today or current compliance status. Many records are later resolved, and public water systems notify customers when required. For current conditions, contact your local water utility or the state drinking water program.

TRI facility data comes from the EPA Toxic Release Inventory. Facilities shown are those that self-report to the TRI program. PlainEnviro presents this data without advocacy framing.

Related

Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro