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Official EPA SDWIS Verified ReportWater Quality & Testing GuideHistorical Record: No Recorded SDWIS Violations

ZIP Code 85119 Water Quality & Testing Report

Apache Junction, AZ · Pinal County County · Updated for 2026

Public Health & Medical Notice: Drinking water quality data on this page reflects historical compliance records submitted under the Safe Drinking Water Act. This information does not constitute medical advice or a real-time safety guarantee. If you are pregnant, nursing, preparing infant formula, or immunocompromised, consult a healthcare provider. Boiling water kills biological pathogens, but does NOT remove chemical contaminants like lead, arsenic, or PFAS.
Quick EPA Verified Answer

Is Tap Water Safe to Drink in ZIP 85119 (Apache Junction, AZ)?

Caution / Filtration Recommended: Tap water in ZIP code 85119 (Apache Junction, AZ) has compliance concerns, earning an EPA Safety Grade of C (69/100) due to 6 health violation(s) and 2.7 ppb lead. While treated by Arizona Water Company - Apache Junction, residents are advised to use an NSF/ANSI 53 certified water filter for drinking and cooking.

Safety Score
C

Water Safety Grade

Fair — Some compliance concerns

Health Violations

6

Total Violations

34

Lead Risk

Moderate

Contaminants

3

⚠

Active Water Quality Issues Detected

EPA records show 9 unresolved violations. Contact Arizona Water Company - Apache Junction for current status.

About Tap Water in ZIP Code 85119

Tap water in ZIP code 85119 (Apache Junction, AZ) is distributed by Arizona Water Company - Apache Junction (EPA ID: AZ0411004), serving approximately 62,055 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of C with a composite quality score of 69/100.

Water System

Arizona Water Company - Apache Junction

EPA ID: AZ0411004

Water Source

Ground Water

Population Served

62,055 residents

County

Pinal County County, Arizona

🧪

Lead Levels in ZIP 85119

EPA action level: 15 ppb | Public health goal: 0 ppb

Lead Level: 2.7 ppb — Very Low

The 90th percentile lead level in 85119 is 2.7 ppb. This meets the EPA action level of 15 ppb. Health experts recommend a target of 0 ppb for optimal safety.

Lead exposure risk in 85119 is rated Moderate. EPA models estimate a 30% exposure probability based on housing and infrastructure age.

Lead Level (90th percentile)
2.70 ppb (0.0027 mg/L)
Lead Exposure Risk Rating
Moderate
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

30%
Note: Lead levels above are the 90th percentile from EPA monitoring — meaning 90% of samples were at or below this level. Even "undetected" tap water lead doesn't account for lead leaching from home plumbing. If your home was built before 1986, individual tap testing is recommended.
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Water Hardness & Mineral Content

Grains per gallon (GPG) & Parts per million (PPM / mg/L)

Classification: Very Hard14.2 GPG · 242 mg/L

Water in ZIP 85119 is Very Hard (242 mg/L / 14.2 GPG). High concentrations of dissolved limestone minerals cause severe mineral buildup, stiff laundry, dry skin, and premature water heater wear.

Recommendation: A whole-home water softener system is strongly recommended to protect plumbing and home appliances.
Hardness (GPG)

Grains per gallon

14.2 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

242 mg/L
Appliance Scaling Risk
High / Severe

Official EPA SDWIS Database Entry

Utility: Arizona Water Company - Apache Junction · PWSID: AZ0411004

Verify on EPA.gov
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Violation History

Past 5 years — EPA SDWIS data

Arizona Water Company - Apache Junction has recorded 6 health-based violations out of 34 total violations over the past 5 years. 9 violations remain unresolved in EPA tracking records.

Total Violations (5 yr)
34
Health-Based Violations
6
Unresolved Violations
9
Boil Water Advisories
0
Compliance Risk
Critical

Regulatory compliance risk for this utility is rated Critical based on past reporting and enforcement records.

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Contaminants Detected

Contaminants with health-based violations on record

EPA records identify 3 contaminants with health-based violations in the past 5 years: Stage 2 DBP Rule, Contaminant 0700, Haloacetic Acids (HAA5).

Stage 2 DBP RuleContaminant 0700Haloacetic Acids (HAA5)

⚖ Enforcement Actions

EPA or state regulators have issued 10 enforcement actions to address compliance lapses.
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Water Source & Environmental Factors

Ground Water

This system draws water from underground aquifers. Groundwater is naturally filtered through soil and rock, but can still contain naturally occurring minerals like arsenic, radium, or nitrates.

Water Source Type
Ground Water
CCR Source Classification
Ground Water
EPA Radon Zone

Moderate potential

Zone 2
Annual Flood Risk Cost

Estimated annual flood-related costs per property

$1
Energy Burden

% of household income spent on energy — indicator of older infrastructure

1.93%

EPA Radon Zone 2 — moderate radon potential. The EPA recommends testing your home regardless of zone designation.

Water Quality Testing in ZIP 85119

Tap Water & Well Testing Recommendations

Residents in ZIP code 85119 served by Arizona Water Company - Apache Junction can test tap water or private well systems to verify water purity. Testing detects hidden contaminants before they impact family health.

Tap Water Testing Steps

  • 1.Conduct a certified lead check if your home was constructed before 1986.
  • 2.Use certified lab testing kits rather than uncalibrated test strips for regulated compliance.
  • 3.Sample water from both your kitchen faucet and water heater to compare line purity.

Private Well Testing Steps

  • •Test for Coliform bacteria and Nitrates annually.
  • •Test for heavy metals, radon, and PFAS every 3 years.
  • •Send samples to a state-certified drinking water laboratory recognized by Arizona Department of Environmental Quality.
Certified Lab Testing: Always use an EPA-certified drinking water laboratory in AZ for formal legal or real estate compliance testing.

🛡 What Should You Do? — ZIP 85119 Recommendations

  • ⚠ Use a certified NSF/ANSI 53 filter for drinking and cooking water if you have young children
  • ⚠ Never give unfiltered tap water to infants in formula — use certified bottled or filtered water
  • ⚠ Request a copy of the Consumer Confidence Report to see what was detected and when
  • ⚠ Call the EPA Safe Drinking Water Hotline: 1-800-426-4791

Recommended Water Treatment Systems:

🏺

NSF 53 Lead Pitcher Filter

Specifically certified to reduce lead and copper at the tap.

Lead Filter Guide →
⚗️

NSF 58 Under-Sink RO System

Advanced filtration for PFAS, fluoride, nitrates, and organic chemicals.

RO System Guide →

Frequently Asked Questions — ZIP 85119 Water Quality

Is tap water safe to drink in ZIP code 85119?+
Tap water in 85119 (Apache Junction, AZ) meets major standards but has a grade of C due to minor past violations. Vulnerable populations may want to use a certified filter as a precaution.
How do I get my water tested in ZIP 85119 (Apache Junction, AZ)?+
To test water quality in ZIP 85119, you can order a certified drinking water test kit or send water samples to an EPA/NELAP certified laboratory in AZ. Certified testing checks for lead, coliform bacteria, nitrates, hardness, and PFAS that standard test strips miss. Contact Arizona Department of Environmental Quality for a list of certified regional labs.
How hard is the tap water in 85119?+
Tap water in 85119 is classified as Very Hard with an estimated mineral hardness of 242 mg/L (14.2 GPG). A whole-home water softener system is strongly recommended to protect plumbing and home appliances.
Should I test private well water in 85119?+
Yes. Unlike municipal systems, private wells in 85119 are not regulated by the EPA or local utilities. Private well owners should test their water annually for coliform bacteria and nitrates, and every 3 to 5 years for heavy metals (lead, arsenic) and volatile organic compounds.
What is the lead level in 85119 tap water?+
The 90th percentile lead level in 85119 is 2.7 ppb. The EPA action level is 15 ppb. This is below the EPA action level.
Is there an active boil water notice in 85119?+
There are currently no active boil water advisories on record for 85119. Water treatment systems are operating within normal parameters.
Who provides tap water to 85119?+
Tap water in ZIP code 85119 is provided by Arizona Water Company - Apache Junction (EPA ID: AZ0411004), serving approximately 62,055 residents.
What water filter should I use in 85119?+
Based on water metrics for 85119, we recommend Reverse Osmosis (PFAS & Lead). Look for certifications such as NSF/ANSI 53 (Chemical Contaminants), NSF/ANSI 42 (Aesthetic Effects).

Data Sources & Methodology

Water quality data for ZIP code 85119 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Arizona Water Company - Apache Junction. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →