Is Clarkdale Municipal Water System water safe to drink?

Clarkdale Municipal Water System (PWS ID: AZ0413024) has 114 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 4,920 people using Groundwater sources.

How many people does Clarkdale Municipal Water System serve?

EPA SDWIS reports that Clarkdale Municipal Water System serves 4,920 people (this public water system's service population, not the municipal population of Clarkdale or any other city). It is a Private-owned system using Groundwater water sources with 1,981 service connections. The operator address is listed in Clarkdale, Arizona.

What type of violations does Clarkdale Municipal Water System have?

Clarkdale Municipal Water System has 114 total violations: 0 health-based violations (MCL exceedances or treatment failures), 91 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in Clarkdale Municipal Water System water?

No. Clarkdale Municipal Water System was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.

What water source does Clarkdale Municipal Water System use?

Clarkdale Municipal Water System uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

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.

Where does Clarkdale Municipal Water System sit among U.S. public water systems?

According to EPA SDWIS population_served among sitemap-advertised systems (serving 500+), Clarkdale Municipal Water System ranks #7,824 of 29,740 by people served, and #111 of 413 in Arizona. Ordinals use population_served DESC among systems serving 500+ (the sitemap cohort). See /methodology#corpus-placement.

How does Clarkdale Municipal Water System's violation count compare nationally?

Clarkdale Municipal Water System has 114 recorded EPA SDWIS violations, fewer than 24% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 76% of that cohort has fewer violations than Clarkdale Municipal Water System. A system can have zero recorded violations and still be actively monitored, and a high violation count often reflects a system that reports thoroughly, not necessarily one with worse water.

States → Arizona

Community Water System · PWS AZ0413024

Clarkdale Municipal Water System

Operator location Clarkdale, Arizona - 0% of 114 violations are health-based (lower-third health share (≤ 1%)); groundwater source; 4,920 served per SDWIS.

Compiled by PlainWater · May 15, 2026

4,920
People served (this PWS) Larger third of systems: 114
EPA violations (this PWS) Upper third of systems: 0
Health-based (this PWS) Lower third by health-based share: No PFAS
UCMR5 (this PWS) Tested, none detected

Follow published updates (RSS)

Clarkdale Municipal Water System standing, high SDWIS violation third

0% of 114 recorded violations are health-based - lower-third health share (≤ 1%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 0% is lower-third health share (≤ 1%). UCMR5: UCMR5 tested, none detected. Population rank #7,824 of 29,740 among systems serving 500+.

The verdict

Clarkdale Municipal Water System sits in the upper third of the sitemap cohort by violation count (114), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is large (4,920; larger served population (> 3,309)), so household exposure scale sits behind the violation mix. Health-based share is only 0% - almost all of this trail is monitoring or reporting. UCMR5 tested this system and reported no PFAS above the minimum reporting level.

#7,824 of 29,740
Population · /systems: #111 of 413
Population · AZ: 114
Total EPA violations on record: 0%
Health-based (MCL / treatment failure)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

C+

Water Safety Score

63/100

Clarkdale Municipal Water System

Based on EPA SDWIS violation history and UCMR5 PFAS testing only, not water taste, odor, infrastructure age, or contaminants outside the federally tracked set.

Health-based violations A+

EPA SDWIS health-based violations on record (MCL, MRDL, treatment technique)

Monitoring & reporting violations F

114

Non-health SDWIS violations (monitoring, reporting, and other compliance)

PFAS contamination N/A

Tested, none detected

Highest PFAS compound level detected in UCMR5 testing

System Details

System Type: Community
Owner Type: Private
Connections: 1,981
County: Yavapai
School/Daycare: No
MCL Violations: 0
Monitoring Violations: 91
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Chlorine	MR	32	2023
Consumer Confidence Rule	Other	11	2014
Arsenic	MR	11	2018
Coliform (TCR)	MR	7	2015
Nitrate	MR	6	2008
Revised Total Coliform Rule	RPT	4	2023
TTHM	MR	3	2011
Total Haloacetic Acids (HAA5)	MR	3	2011
Revised Total Coliform Rule	MON	2	2016
DICHLOROMETHANE	MR	1	2011
o-Dichlorobenzene	MR	1	2011
p-Dichlorobenzene	MR	1	2011
1,1-Dichloroethylene	MR	1	2011
trans-1,2-Dichloroethylene	MR	1	2011
1,2-Dichloroethane	MR	1	2011
Trichloroethylene	MR	1	2011
1,1,2-Trichloroethane	MR	1	2011
Toluene	MR	1	2011
Ethylbenzene	MR	1	2011
Fluoride	MR	1	1988
Selenium	MR	1	1988
Chromium	MR	1	1988
1,2-Dichloropropane	MR	1	2011
Benzene	MR	1	2011
Carbon tetrachloride	MR	1	2011
Cadmium	MR	1	1988
1,1,1-Trichloroethane	MR	1	2011
Mercury	MR	1	1988
cis-1,2-Dichloroethylene	MR	1	2011
Tetrachloroethylene	MR	1	2011

Violation Count vs. the National Corpus

Clarkdale Municipal Water System has 114 recorded EPA violations, 76% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 24% carry more. 0% of this system's own violations are health-based (0 of 114), and it ranks #7,824 of 29,740 by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

114 Higher than most more violations than 76% of 29,740 water systems

the national water-system corpus, bucketed by value

Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source EPA SDWIS · 2026-05-15

How many violations vs. how serious, among peer systems

Clarkdale Municipal Water System plotted against 28 peer public water systems (500+ people served), by total violation count (x) and the share of those violations that are health-based (y). The crosshair sits at this sample's own median on each axis. A high violation count does not automatically mean a serious record: most monitoring and reporting violations are minor, not health-based.

29 public water systems (500+ people served), EPA SDWIS current release.

How to read this

Each dot is one public water system; the highlighted dot is Clarkdale Municipal Water System. A system to the right has more recorded violations; a system higher up has a larger share of those violations classified health-based rather than monitoring or reporting.

Rare but serious: few violations, but most of them are health-based.
Frequent, mostly paperwork: many violations, but mostly monitoring or reporting, not health-based.
Clean record: below-median on both counts, the tinted corner.

View all 29 systems as a list

City of Ballinger: 372 violations, 85% health-based
Nooksack Valley Water Association: 16 violations, 31% health-based
Montgomery Co RWD 12: 7 violations, 29% health-based
Irvin Water District #6: 11 violations, 27% health-based
Ticonderoga WD: 47 violations, 26% health-based
Pine Valley Plantation: 37 violations, 24% health-based
McLouth, City Of: 29 violations, 17% health-based
Kipling Oaks 1: 25 violations, 16% health-based
South Deerfield Water Supply District: 96 violations, 16% health-based
Sunset Ridge Water District: 82 violations, 15% health-based
Orange Water Dept: 136 violations, 14% health-based
Mount Pleasant Water Sys #1: 167 violations, 11% health-based
Lake Gibson Estates: 42 violations, 2% health-based
Benson Culinary Improvement District: 212 violations, 1% health-based
Conemaugh Twp Muni Auth: 567 violations, 1% health-based
Miccosukee Service Plaza: 0 violations, 0% health-based
Brazoria - Fort Bend Counties MUD 3: 0 violations, 0% health-based
Tanglewilde Thompson Place 600: 2 violations, 0% health-based
Center Water Co: 5 violations, 0% health-based
Spring Mills Elem School/Hvs: 9 violations, 0% health-based
Great Bend Industrial Park: 14 violations, 0% health-based
Glen Park Village: 19 violations, 0% health-based
Camp Is-Sho-Da: 22 violations, 0% health-based
Hamilton: 33 violations, 0% health-based
Town of Welaka: 54 violations, 0% health-based
Township of Blairstown Dpw: 61 violations, 0% health-based
McIntosh Water & Fire Pro Authority: 71 violations, 0% health-based
Eureka Water Association: 273 violations, 0% health-based
Clarkdale Municipal Water System: 114 violations, 0% health-based (this system)

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant	Date	Result	MRL	Status
8:2 FTS	8/1/2023	<5.00 ppt	5.00 ppt	Not Detected
11Cl-PF3OUdS	8/1/2023	<5.00 ppt	5.00 ppt	Not Detected
4:2 FTS	8/1/2023	<3.00 ppt	3.00 ppt	Not Detected
6:2 FTS	8/1/2023	<5.00 ppt	5.00 ppt	Not Detected
PFBA	8/1/2023	<5.00 ppt	5.00 ppt	Not Detected
HFPO-DA	8/1/2023	<5.00 ppt	5.00 ppt	Not Detected
PFUnA	8/1/2023	<2.00 ppt	2.00 ppt	Not Detected
PFTA	8/1/2023	<8.00 ppt	8.00 ppt	Not Detected
PFTrDA	8/1/2023	<7.00 ppt	7.00 ppt	Not Detected
PFBS	8/1/2023	<3.00 ppt	3.00 ppt	Not Detected
NMeFOSAA	8/1/2023	<6.00 ppt	6.00 ppt	Not Detected
PFHpA	8/1/2023	<3.00 ppt	3.00 ppt	Not Detected
NEtFOSAA	8/1/2023	<5.00 ppt	5.00 ppt	Not Detected
PFNA	8/1/2023	<4.00 ppt	4.00 ppt	Not Detected
ADONA	8/1/2023	<3.00 ppt	3.00 ppt	Not Detected
9Cl-PF3ONS	8/1/2023	<2.00 ppt	2.00 ppt	Not Detected
PFDoA	8/1/2023	<3.00 ppt	3.00 ppt	Not Detected
PFHxS	8/1/2023	<3.00 ppt	3.00 ppt	Not Detected
PFOA	8/1/2023	<4.00 ppt	4.00 ppt	Not Detected
PFDA	8/1/2023	<3.00 ppt	3.00 ppt	Not Detected
PFHxA	8/1/2023	<3.00 ppt	3.00 ppt	Not Detected
PFMPA	8/1/2023	<4.00 ppt	4.00 ppt	Not Detected
PFHpS	8/1/2023	<3.00 ppt	3.00 ppt	Not Detected
PFPeS	8/1/2023	<4.00 ppt	4.00 ppt	Not Detected
NFDHA	8/1/2023	<20.00 ppt	20.00 ppt	Not Detected
PFEESA	8/1/2023	<3.00 ppt	3.00 ppt	Not Detected
PFMBA	8/1/2023	<3.00 ppt	3.00 ppt	Not Detected
PFPeA	8/1/2023	<3.00 ppt	3.00 ppt	Not Detected
PFOS	8/1/2023	<4.00 ppt	4.00 ppt	Not Detected
PFHpS	7/12/2023	<3.00 ppt	3.00 ppt	Not Detected
HFPO-DA	7/12/2023	<5.00 ppt	5.00 ppt	Not Detected
PFBA	7/12/2023	<5.00 ppt	5.00 ppt	Not Detected
6:2 FTS	7/12/2023	<5.00 ppt	5.00 ppt	Not Detected
4:2 FTS	7/12/2023	<3.00 ppt	3.00 ppt	Not Detected
8:2 FTS	7/12/2023	<5.00 ppt	5.00 ppt	Not Detected
PFMPA	7/12/2023	<4.00 ppt	4.00 ppt	Not Detected
PFPeA	7/12/2023	<3.00 ppt	3.00 ppt	Not Detected
PFMBA	7/12/2023	<3.00 ppt	3.00 ppt	Not Detected
PFEESA	7/12/2023	<3.00 ppt	3.00 ppt	Not Detected
ADONA	7/12/2023	<3.00 ppt	3.00 ppt	Not Detected
PFPeS	7/12/2023	<4.00 ppt	4.00 ppt	Not Detected
PFHxS	7/12/2023	<3.00 ppt	3.00 ppt	Not Detected
NFDHA	7/12/2023	<20.00 ppt	20.00 ppt	Not Detected
PFBS	7/12/2023	<3.00 ppt	3.00 ppt	Not Detected
NMeFOSAA	7/12/2023	<6.00 ppt	6.00 ppt	Not Detected
NEtFOSAA	7/12/2023	<5.00 ppt	5.00 ppt	Not Detected
PFTrDA	7/12/2023	<7.00 ppt	7.00 ppt	Not Detected
PFTA	7/12/2023	<8.00 ppt	8.00 ppt	Not Detected
PFOS	7/12/2023	<4.00 ppt	4.00 ppt	Not Detected
9Cl-PF3ONS	7/12/2023	<2.00 ppt	2.00 ppt	Not Detected

Health-based violations on Clarkdale Municipal Water System

0 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for AZ0413024.

EPA SDWIS · PWS AZ0413024 AZ primacy agency

Sources: EPA SDWIS · Arizona DEQ, Drinking Water Program

Nationwide peers

114 violations · 4,920 served: nearest cross-state SDWIS matches.

Cross-state systems with comparable violation load

Nearest cross-state community systems (500+ served) by total SDWIS violations on record.

4 peers

Cross-state systems with similar served population

Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).

4 peers

What to do with Clarkdale Municipal Water System

Use this system's EPA-reported record as a starting filter, not a final verdict.

See how every tracked system in Arizona compares on the same EPA violation measures. Arizona systems
Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
Find and compare another public water system by name or PWSID. Search systems

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

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

Compiled by PlainWater, Drinking Water Quality Editorial Process · May 15, 2026

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