City water profile

Water hardness in Apache Junction

Find official utility reports, understand hardness, and check the water system serving your home in Apache Junction, Arizona.

Utility-reported hardness

Not yet available

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State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 4
Active health records: 1

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

Convert a hardness result →Test your tap →

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

Arizona Water Co - Apache Junction

AZ0411004 · Groundwater · 62,055 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Apache Junction Water District

AZ0411039 · Surface water · 15,610 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (2)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2023

TTHM

EPA SDWIS reported health-based violation

Reported violation

Reported level: 0.081 MG/L
Maximum contaminant level: 0.08 MG/L

101% of the listed benchmark

Monitoring period: Apr 1, 2025 to Jun 30, 2025

Violation history (97)

Imported violation history for Apache Junction Water District
Rule	Status	Period
Chlorite	Resolved	Sep 1, 2025 to Sep 30, 2025
Chlorite	Resolved	Sep 1, 2025 to Sep 30, 2025
Chlorine dioxide	Resolved	Sep 1, 2025 to Sep 30, 2025
Chlorine dioxide	Resolved	Sep 1, 2025 to Sep 30, 2025
Chlorite	Resolved	Jul 1, 2025 to Jul 31, 2025
Surface Water Treatment Rule	Resolved	May 1, 2025 to May 31, 2025
TTHMHealth-based	Resolved	Apr 1, 2025 to Jun 30, 2025
LEAD AND COPPER RULE REVISIONS	Resolved	Oct 17, 2024 to Feb 28, 2025
LEAD AND COPPER RULE REVISIONSHealth-based	Resolved	Oct 17, 2024 to Feb 28, 2025
CARBON, TOTAL	Resolved	Sep 1, 2024 to Sep 30, 2024
Chlorite	Resolved	Sep 1, 2024 to Sep 30, 2024
Chlorine dioxide	Resolved	Jun 1, 2024 to Jun 30, 2024
CARBON, TOTAL	Resolved	Jun 1, 2024 to Jun 30, 2024
CARBON, TOTAL	Resolved	May 1, 2024 to May 31, 2024
CARBON, TOTAL	Resolved	Apr 1, 2024 to Apr 30, 2024
Surface Water Treatment Rule	Resolved	Dec 1, 2023 to Dec 31, 2023
Interim Enhanced Surface Water Treatment Rule	Resolved	Dec 1, 2023 to Dec 31, 2023
CARBON, TOTAL	Resolved	Oct 1, 2023 to Dec 31, 2023
CARBON, TOTAL	Resolved	Sep 1, 2023 to Sep 30, 2023
CARBON, TOTAL	Resolved	Aug 1, 2023 to Aug 31, 2023
CARBON, TOTAL	Resolved	Jul 1, 2023 to Jul 31, 2023
CARBON, TOTAL	Resolved	Apr 1, 2023 to Jun 30, 2023
Chlorite	Resolved	Dec 1, 2022 to Dec 31, 2022
Fluoride	Resolved	Jan 1, 2022 to Dec 31, 2022
Arsenic	Resolved	Jan 1, 2022 to Dec 31, 2022
Chromium	Resolved	Jan 1, 2022 to Dec 31, 2022
CYANIDE	Resolved	Jan 1, 2022 to Dec 31, 2022
Fluoride	Resolved	Jan 1, 2022 to Dec 31, 2022
Mercury	Resolved	Jan 1, 2022 to Dec 31, 2022
Thallium, Total	Resolved	Jan 1, 2022 to Dec 31, 2022
Selenium	Resolved	Jan 1, 2022 to Dec 31, 2022
Nitrate	Resolved	Jan 1, 2022 to Dec 31, 2022
BHC-GAMMA	Resolved	Jan 1, 2022 to Dec 31, 2024
Methoxychlor	Resolved	Jan 1, 2022 to Dec 31, 2024
Diquat	Resolved	Jan 1, 2022 to Dec 31, 2024
Endothall	Resolved	Jan 1, 2022 to Dec 31, 2024
Glyphosate	Resolved	Jan 1, 2022 to Dec 31, 2024
OXAMYL	Resolved	Jan 1, 2022 to Dec 31, 2024
Di(2-ethylhexyl) phthalate	Resolved	Jan 1, 2022 to Dec 31, 2024
Picloram	Resolved	Jan 1, 2022 to Dec 31, 2024
Hexachlorocyclopentadiene	Resolved	Jan 1, 2022 to Dec 31, 2024
Atrazine	Resolved	Jan 1, 2022 to Dec 31, 2024
LASSO	Resolved	Jan 1, 2022 to Dec 31, 2024
2,3,7,8-TCDD	Resolved	Jan 1, 2022 to Dec 31, 2024
Heptachlor	Resolved	Jan 1, 2022 to Dec 31, 2024
Heptachlor epoxide	Resolved	Jan 1, 2022 to Dec 31, 2024
2,4,5-TP	Resolved	Jan 1, 2022 to Dec 31, 2024
HEXACHLOROBENZENE	Resolved	Jan 1, 2022 to Dec 31, 2024
Pentachlorophenol	Resolved	Jan 1, 2022 to Dec 31, 2024
1,2-DIBROMO-3-CHLOROPROPANE	Resolved	Jan 1, 2022 to Dec 31, 2024
Chlordane	Resolved	Jan 1, 2022 to Dec 31, 2024
Endrin	Resolved	Jan 1, 2022 to Dec 31, 2024
BHC-GAMMA	Resolved	Jan 1, 2022 to Dec 31, 2024
Methoxychlor	Resolved	Jan 1, 2022 to Dec 31, 2024
Toxaphene	Resolved	Jan 1, 2022 to Dec 31, 2024
Diquat	Resolved	Jan 1, 2022 to Dec 31, 2024
Glyphosate	Resolved	Jan 1, 2022 to Dec 31, 2024
OXAMYL	Resolved	Jan 1, 2022 to Dec 31, 2024
Di(2-ethylhexyl) phthalate	Resolved	Jan 1, 2022 to Dec 31, 2024
LASSO	Resolved	Jan 1, 2022 to Dec 31, 2024
Heptachlor	Resolved	Jan 1, 2022 to Dec 31, 2024
Heptachlor epoxide	Resolved	Jan 1, 2022 to Dec 31, 2024
2,4-D	Resolved	Jan 1, 2022 to Dec 31, 2024
HEXACHLOROBENZENE	Resolved	Jan 1, 2022 to Dec 31, 2024
Benzo(a)pyrene	Resolved	Jan 1, 2022 to Dec 31, 2024
1,2-DIBROMO-3-CHLOROPROPANE	Resolved	Jan 1, 2022 to Dec 31, 2024
ETHYLENE DIBROMIDE	Resolved	Jan 1, 2022 to Dec 31, 2024
Chlordane	Resolved	Jan 1, 2022 to Dec 31, 2024
Nitrate	Resolved	Jan 1, 2022 to Dec 31, 2022
Dalapon	Resolved	Jan 1, 2022 to Dec 31, 2024
Endrin	Resolved	Jan 1, 2022 to Dec 31, 2024
Di(2-ethylhexyl) adipate	Resolved	Jan 1, 2022 to Dec 31, 2024
Arsenic	Resolved	Jan 1, 2022 to Mar 31, 2022
Dalapon	Resolved	Jan 1, 2022 to Dec 31, 2024
Hexachlorocyclopentadiene	Resolved	Jan 1, 2022 to Dec 31, 2024
Dinoseb	Resolved	Jan 1, 2022 to Dec 31, 2024
2,4-D	Resolved	Jan 1, 2022 to Dec 31, 2024
Picloram	Resolved	Jan 1, 2022 to Dec 31, 2024
Simazine	Resolved	Jan 1, 2022 to Dec 31, 2024
Atrazine	Resolved	Jan 1, 2022 to Dec 31, 2024
Barium	Resolved	Jan 1, 2022 to Dec 31, 2022
Simazine	Resolved	Jan 1, 2022 to Dec 31, 2024
Antimony, Total	Resolved	Jan 1, 2022 to Dec 31, 2022
Cadmium	Resolved	Jan 1, 2022 to Dec 31, 2022
Toxaphene	Resolved	Jan 1, 2022 to Dec 31, 2024
Benzo(a)pyrene	Resolved	Jan 1, 2022 to Dec 31, 2024
Carbofuran	Resolved	Jan 1, 2022 to Dec 31, 2024
Dinoseb	Resolved	Jan 1, 2022 to Dec 31, 2024
Endothall	Resolved	Jan 1, 2022 to Dec 31, 2024
Nickel	Resolved	Jan 1, 2022 to Dec 31, 2022
ETHYLENE DIBROMIDE	Resolved	Jan 1, 2022 to Dec 31, 2024
Pentachlorophenol	Resolved	Jan 1, 2022 to Dec 31, 2024
2,3,7,8-TCDD	Resolved	Jan 1, 2022 to Dec 31, 2024
2,4,5-TP	Resolved	Jan 1, 2022 to Dec 31, 2024
Di(2-ethylhexyl) adipate	Resolved	Jan 1, 2022 to Dec 31, 2024
Beryllium, Total	Resolved	Jan 1, 2022 to Dec 31, 2022
Carbofuran	Resolved	Jan 1, 2022 to Dec 31, 2024

Arizonian Rv Resort

AZ0411708 · Groundwater · 225 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0.007 mg/L
Action level: 0.015 mg/L

47% of the listed benchmark

Monitoring period: Jan 1, 2021 to Dec 31, 2023

Violation history (12)

Imported violation history for Arizonian Rv Resort
Rule	Status	Period
Chlorine	Resolved	Oct 1, 2025 to Oct 31, 2025
Public Notice	Unaddressed	Jul 25, 2025
Public Notice	Resolved	Dec 20, 2024 to Jan 31, 2024
Groundwater RuleHealth-based	Resolved	Nov 14, 2024 to Feb 18, 2025
LEAD AND COPPER RULE REVISIONSHealth-based	Resolved	Oct 17, 2024 to Dec 30, 2024
LEAD AND COPPER RULE REVISIONS	Resolved	Oct 17, 2024 to Dec 30, 2024
Revised Total Coliform Rule	Resolved	Jun 1, 2024 to Jun 30, 2024
Revised Total Coliform Rule	Resolved	Mar 1, 2024 to Apr 22, 2024
Consumer Confidence Rule	Resolved	Oct 2, 2023 to Jul 5, 2023
Groundwater RuleHealth-based	Resolved	Apr 16, 2022 to Apr 27, 2022
Groundwater RuleHealth-based	Resolved	Mar 17, 2022 to Dec 20, 2024
Revised Total Coliform Rule	Resolved	Jun 1, 2021 to Jul 28, 2021

Northern Section 4 Coop

AZ0411201 · Groundwater · 48 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

1 reported active health-based record(s) for this system

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 6.2e-4 mg/L
Action level: 0.015 mg/L

4% of the listed benchmark

Monitoring period: Jan 1, 2020 to Dec 31, 2022

Violation history (11)

Imported violation history for Northern Section 4 Coop
Rule	Status	Period
Lead and Copper Rule	Unaddressed	Oct 1, 2025
Public Notice	Unaddressed	Jul 25, 2025
Revised Total Coliform Rule	Resolved	Jun 1, 2024 to Jun 30, 2024
Revised Total Coliform Rule	Resolved	Mar 1, 2024 to Apr 22, 2024
Consumer Confidence Rule	Resolved	Oct 2, 2023 to Jul 5, 2023
Nitrate	Resolved	Jan 1, 2023 to Dec 31, 2023
Gross Alpha, Excl. Radon and U	Resolved	Apr 1, 2022 to Jun 30, 2022
Public Notice	Resolved	Jan 28, 2022 to Jun 22, 2021
Revised Total Coliform Rule	Resolved	Jun 1, 2021 to Jul 28, 2021
Groundwater RuleHealth-based	Unaddressed	Feb 23, 2019
Consumer Confidence Rule	Unaddressed	Jul 1, 2002

City summary

What the indexed records say

Apache Junction has 2 published ZIP profiles across Pinal County. The regional-evidence median is 866 PPM. The city does not meet the stricter comparison standard.

The 866–866 PPM range shows how much the available ZIP estimates vary within the city label. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard1 ZIP

1 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 24.2 miles
Profiles with evidence: 1/2

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Apr 25, 2018 to Apr 25, 2018.

ZIP directory

Water reports in Apache Junction

Open a ZIP for site-level provenance and measurements.

ZIP code

85119

No estimate

—

Nearest site: — mi
Confidence: —

View full ZIP evidence →

ZIP code

85120

Very Hard

866 PPM

Nearest site: 24.2 mi
Confidence: Low

View full ZIP evidence →

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

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Questions people ask

About water in Apache Junction

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.