Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Chandler, AZ 85249
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Maricopa County.
Historical measurement record needs context
- Largest possible serving system
- Chandler City Of
- Source water
- Surface water + Groundwater
- County
- Maricopa County
- Profile updated
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 →At a glance
What the current records say
EPA quarter 2026Q2
All possible systems
No active flag
0 active health-based records
Measurements by utility
Each result belongs to a specific system.
Utility match
6 systems
Serves 247,328 people system-wide
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.
Chandler City Of
AZ0407090 · Surface water · 247,328 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
- Reported level
- 0.0014 mg/L
- Action level
- 0.015 mg/L
9% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (77)
| Rule | Status | Period |
|---|---|---|
| Nitrate | Resolved | Oct 1, 2024 to Dec 31, 2024 |
| 1,2,4-Trichlorobenzene | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| DICHLOROMETHANE | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Vinyl chloride | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| trans-1,2-Dichloroethylene | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| 1,2-Dichloroethane | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| 1,1,1-Trichloroethane | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| 1,2-Dichloropropane | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| 1,1,2-Trichloroethane | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Tetrachloroethylene | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| CHLOROBENZENE | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Benzene | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Ethylbenzene | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| o-Dichlorobenzene | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Toluene | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Carbon tetrachloride | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| cis-1,2-Dichloroethylene | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| 1,1-Dichloroethylene | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Styrene | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Xylenes, Total | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| p-Dichlorobenzene | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Trichloroethylene | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Arsenic | Resolved | Jan 1, 2024 to Mar 31, 2024 |
| Nitrate | Resolved | Apr 1, 2023 to Jun 30, 2023 |
| Nitrate | Resolved | Apr 1, 2023 to Jun 30, 2023 |
| Nitrate | Resolved | Apr 1, 2023 to Jun 30, 2023 |
| Arsenic | Resolved | Apr 1, 2023 to Jun 30, 2023 |
| Nitrate | Resolved | Apr 1, 2023 to Jun 30, 2023 |
| Arsenic | Resolved | Apr 1, 2023 to Jun 30, 2023 |
| Arsenic | Resolved | Apr 1, 2023 to Jun 30, 2023 |
| DICHLOROMETHANE | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| o-Dichlorobenzene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| trans-1,2-Dichloroethylene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| 1,2-Dichloroethane | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| 1,2-Dichloropropane | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| 1,1,2-Trichloroethane | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Tetrachloroethylene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| CHLOROBENZENE | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Ethylbenzene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Styrene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| 1,1,1-Trichloroethane | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Carbon tetrachloride | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Trichloroethylene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Benzene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Toluene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| 1,1-Dichloroethylene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| 1,2,4-Trichlorobenzene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Xylenes, Total | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Vinyl chloride | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| p-Dichlorobenzene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| cis-1,2-Dichloroethylene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| 1,2,4-Trichlorobenzene | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| p-Dichlorobenzene | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| 1,1-Dichloroethylene | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| trans-1,2-Dichloroethylene | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Carbon tetrachloride | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| 1,2-Dichloropropane | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Trichloroethylene | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| CHLOROBENZENE | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Toluene | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Ethylbenzene | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Gross Alpha, Excl. Radon and U | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Combined Uranium | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Radium-226 | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Radium-228 | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| 1,1,1-Trichloroethane | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| o-Dichlorobenzene | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Benzene | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| DICHLOROMETHANE | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Styrene | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| 1,2-Dichloroethane | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Xylenes, Total | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| cis-1,2-Dichloroethylene | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Tetrachloroethylene | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Vinyl chloride | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| 1,1,2-Trichloroethane | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Combined Radium (-226 and -228) | Resolved | Jan 1, 2022 to Dec 31, 2022 |
Pima Utilities
AZ0407120 · Groundwater · 20,000 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
- Reported level
- 0.01 mg/L
- Action level
- 0.015 mg/L
67% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (17)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Unaddressed | Oct 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2024 to Sep 30, 2024 |
| E. COLI | Unaddressed | Aug 22, 2024 |
| Chlorine | Resolved | Aug 1, 2024 to Aug 31, 2024 |
| Revised Total Coliform RuleHealth-based | Resolved | Aug 1, 2024 to Aug 31, 2024 |
| Revised Total Coliform RuleHealth-based | Resolved | Jun 1, 2024 to Jun 30, 2024 |
| Chlorine | Resolved | Jun 1, 2024 to Jun 30, 2024 |
| Di(2-ethylhexyl) phthalate | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Di(2-ethylhexyl) adipate | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Di(2-ethylhexyl) adipate | Resolved | Jan 1, 2023 to Nov 1, 2023 |
| Chromium | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Di(2-ethylhexyl) phthalate | Resolved | Jan 1, 2023 to Nov 1, 2023 |
| Di(2-ethylhexyl) adipate | Archived | Jul 1, 2021 to Sep 30, 2021 |
| Di(2-ethylhexyl) phthalate | Resolved | Jul 1, 2021 to Sep 30, 2021 |
| Di(2-ethylhexyl) adipate | Archived | Apr 1, 2021 to Jun 30, 2021 |
| Di(2-ethylhexyl) phthalate | Archived | Apr 1, 2021 to Jun 30, 2021 |
Chandler Heights Citrus Irrigation Dist
AZ0407409 · Groundwater · 2,620 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
- Reported level
- 0.0039 mg/L
- Action level
- 0.015 mg/L
26% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (6)
| Rule | Status | Period |
|---|---|---|
| Chlorine | Archived | Jan 1, 2026 to Jan 31, 2026 |
| Consumer Confidence Rule | Unaddressed | Oct 2, 2025 |
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2025 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2024 to Jul 30, 2024 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2023 to Jun 30, 2023 |
Peekaboo Water Coop
AZ0407671 · Groundwater · 100 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
- Reported level
- 0 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (1)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Oct 2, 2025 to Jun 29, 2025 |
Gilbert Rigg Well Coop
AZ0407903 · Groundwater · 95 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
- Reported level
- 0 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (1)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Unaddressed | Oct 2, 2025 |
Greenfield Ranchettes
AZ0407492 · Groundwater · 53 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
- Reported level
- 0.005 mg/L
- Action level
- 0.015 mg/L
33% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Arsenic
EPA SDWIS reported health-based violation
- Reported level
- 0.012 MG/L
- Maximum contaminant level
- 0.01 MG/L
120% of the listed benchmark
Monitoring period: Apr 1, 2025 to Jun 30, 2025
Violation history (17)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Resolved | Jan 1, 2026 to Mar 9, 2026 |
| Revised Total Coliform Rule | Unaddressed | Dec 1, 2025 |
| Revised Total Coliform Rule | Unaddressed | Nov 1, 2025 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2025 to Oct 31, 2025 |
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
| ArsenicHealth-based | Resolved | Apr 1, 2025 to Jun 30, 2025 |
| ArsenicHealth-based | Resolved | Jan 1, 2025 to Mar 31, 2025 |
| Lead and Copper Rule | Resolved | Jan 1, 2025 to Jun 14, 2025 |
| ArsenicHealth-based | Resolved | Oct 1, 2024 to Dec 31, 2024 |
| ArsenicHealth-based | Resolved | Jul 1, 2024 to Sep 30, 2024 |
| Consumer Confidence Rule | Resolved | Oct 2, 2023 to Jul 1, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Jul 1, 2024 |
| Consumer Confidence Rule | Resolved | Oct 2, 2022 to Oct 15, 2021 |
| Lead and Copper Rule | Resolved | Oct 1, 2022 to Nov 12, 2024 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2022 to Jul 25, 2022 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2022 to Mar 11, 2022 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2021 to Sep 17, 2021 |
Hardness meter
What does nearby environmental evidence show?
48.5
PPM as CaCO₃
Soft
PPM
48.5
GPG
2.8
Regional environmental evidence
USGS hardness classification scale
48.5 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
48.5
mg/L as CaCO₃ equivalent
Grains per gallon
2.8
1 GPG ≈ 17.1 PPM
How to use regional evidence
These samples describe nearby environmental water. They cannot establish whether your tap water is soft or hard. Use a utility result or a tap test for appliance settings and treatment sizing.
USGS sites used
4
Nearest site
16.6 mi
Observation range
Nov 29, 2018–Mar 12, 2019
Regional evidence confidence
Low
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: 40th Street and the Salt River at Phoenix, Az. (Stream).USGS source documentation ↗Evidence tier: Regional environmental evidence. This value is not used as proof of the serving utility's treated-water hardness.
Regional context
Is 85249 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Chandler median
56 PPM
7 PPM lower6 indexed ZIP readings · Range 48.5–56 PPM
Arizona median
64 PPM
15 PPM lower213 indexed ZIP readings · Range 33–2680 PPM
Evidence-first next steps
Confirm the problem before choosing treatment
This profile can help you ask the right question. It cannot select equipment for a property without a current result from the serving utility or the tap.
Confirm the serving system
ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.
Read the current utility report
Use the current Consumer Confidence Report for treated-water results and official notices.
Find an official utility report →Test for the decision you face
Use a tap hardness test before sizing a softener. For health concerns, use a certified laboratory and the correct sampling protocol.
Convert your hardness test result →Nearby indexed reports
More local profiles in Chandler
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Chandler
Is tap water safe in Chandler?+
EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.
How hard is the water?+
Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.
Do I need a water softener?+
Confirm hardness at your tap and consider actual scale or spotting before choosing treatment. Regional environmental values cannot determine whether you need a softener. A softener addresses hardness, not every contaminant.