WaterVerge

Is Cordes Lakes, AZ Tap Water Safe to Drink?

Graded B+, with 23 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

4K residents served 1 water system PWSID: AZ0413023
Overall Score
81.6 / 100
Violations
23 active
Last Updated
May 2026
Source
Groundwater
#109 of 292 in Arizona Top 47% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
81.6/100
waterverge.com
B+ 81.6/100

Cordes Lakes, AZ — Water Quality Report

Cordes Lakes's drinking water received a grade of B+ (81.6 out of 100), indicating good water quality. The city's 1 water system serves approximately 4,257 residents using groundwater.

Lead levels were measured at 4.1 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 89 violations on record, including 2 health-based violations. 23 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Cordes Lakes's water

Cordes Lakes ranks #109 out of 292 cities in Arizona for water quality, placing it mid-range in the state.

Cordes Lakes relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

Quality Breakdown

Water quality score

See methodology →
81.6 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.6/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.1 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Cordes Lakes, AZ water safe to drink?

Concerns Identified

Cordes Lakes's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (81.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 4,257 residents using groundwater (wells).

23
Active Violations
4.1 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Cordes Lakes

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Cordes Lakes's water quality assessment. Grade: B+ (81.6/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Revised Total Coliform Rule.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4203). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3241). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Cordes Lakes's water supply.

Lead Within Limits
Detected: 4.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Cordes Lakes's water system has 89 total violations on record, including 2 health-based violations. 23 remain unresolved.

MROtherTTMONRPTMCL
Most recent violations:
Aug 2019 Lead and Copper Rule Open
Oct 2018 Consumer Confidence Rule Open
Aug 2018 Revised Total Coliform Rule Open
Jul 2018 E. COLI Open
Sep 2017 Revised Total Coliform Rule Resolved

Flood & environmental risk

Maricopa County has experienced 10 federally declared disasters since 1966. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Gila River.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4203
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3241
SEVERE STORMS, TORNADOES & FLOODING
Flood FEMA DR-977

Where does Cordes Lakes's water come from?

Cordes Lakes's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 4,257 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Gila River (river).

What Cordes Lakes residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Cordes Lakes's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Cordes Lakes's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
4.1 ppb
EPA Action Level: 15 ppb · 27% of limit
Safe Level
Compliance Record

Violation summary

89
Total violations
2
Health-based
23
Active / unresolved
Aug 2019
Most recent violation
Compliance Record

Violations & advisories

89 Total
23 Active
2 Health-based
66 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
42
Consumer Confidence Rule
12
Total Coliform Rule
9
Lead and Copper Rule
6
Revised Total Coliform Rule
4
Aug 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2018 Active
Consumer Confidence Rule
Other Violation 0
Aug 2018 Active
Revised Total Coliform Rule
Treatment Technique
Health-Based Health 0
Jul 2018 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2017 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2017 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Oct 2014 Active
Consumer Confidence Rule
Other Violation 0
Oct 2013 Active
Consumer Confidence Rule
Other Violation 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Jul 2008 Active
Consumer Confidence Rule
Other Violation 0
Oct 2007 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2005 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Oct 2004 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Oct 2003 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 89 violations
Environmental Risk

Drought conditions

D2 — severe drought

Yavapai County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

3
Weeks at D2+ (current streak)
44.5%
Months in D2+ (last 30y)
3
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

10
Declared disasters
Nov 2014
Most recent
Flood
Most common type

Maricopa County has experienced 10 federally declared disasters since 1966. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Nov 2014
SEVERE STORMS AND FLOODING
Flood FEMA #4203
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3241
Jan 1993
SEVERE STORMS, TORNADOES & FLOODING
Flood FEMA #977
Dec 1990
SEVERE STORMS & FLOODING
Flood FEMA #884
Feb 1980
SEVERE STORMS & FLOODING
Flood FEMA #614
Dec 1978
SEVERE STORMS & FLOODING
Flood FEMA #570

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.1 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 2.7 ppb from 2006 (6.8 ppb) to 2025 (4.1 ppb).
Contaminant Rankings

See how Cordes Lakes compares by contaminant

Explore where Cordes Lakes ranks among all Arizona cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
4,257
Water Systems
1
Water Source

Where Cordes Lakes's water comes from

Groundwater

Cordes Lakes's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by private ownership and serves approximately 4,257 people through 1 water system.

Local Hydrology

Water bodies near Cordes Lakes

Cordes Lakes is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Gila River
river
Infrastructure

Water systems serving Cordes Lakes

System Name PWSID Population Source
CORDES LAKES WATER COMPANY AZ0413023 4,257 GW
Regional Comparison

How Cordes Lakes compares

Full Arizona rankings →

Cordes Lakes's score of 81.6/100 is above the average of 42/100 among major Arizona cities. It outscores 10 of 10 nearby cities.

Cordes Lakes (this city)
81.6
Phoenix
37.5
Tucson
38.1
Mesa
40.6
Chandler
40.5
Gilbert
34.8
Arizona avg
42
City Profile

About Cordes Lakes, AZ

Wikipedia →

Litchfield Park is a city in Maricopa County, Arizona, United States. It is located 19 miles (31 km) west of Phoenix. As of the 2020 census, the population of the city was 6,847, up from 5,476 in 2010.

Economic Profile
$51,285
Median Income
$146,185
Median Home Value
$1,004/mo
Median Rent
20%
Unemployment
Community
52.2
Median Age
118
People / sq mi
10.2%
College Educated
78.1%
Homeownership
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Frequently asked questions

Is Cordes Lakes, AZ tap water safe to drink?

Cordes Lakes's water quality earned a grade of B+ (81.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #109 out of 292 cities tested in Arizona.

What contaminants are in Cordes Lakes's water?

Lead was measured at 4.1 ppb (90th percentile). 89 violations are on record.

How is Cordes Lakes's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Cordes Lakes?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Cordes Lakes's water come from?

Cordes Lakes's water is sourced from Groundwater. The city has 1 water system serving approximately 4,257 residents.

What health violations has Cordes Lakes's water system had?

Cordes Lakes has 2 health-based violations on record. The most recent violation was recorded in August 2019. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 23 violations remain unresolved.

Is Cordes Lakes's groundwater at risk of contamination?

Cordes Lakes uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 89 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Cordes Lakes's water compare to other cities?

Cordes Lakes ranks #109 out of 292 cities in Arizona (better than 63% of state cities) and #7388 out of 15744 cities nationally (53th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.