Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Buckeye, AZ 85340
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Maricopa County.
2 active health-based record(s) across possible systems
- Largest possible serving system
- City Of Buckeye - Valencia Town Division
- Source 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
Review needed
2 active health-based records
Measurements by utility
Each result belongs to a specific system.
Utility match
10 systems
Serves 30,377 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.
City Of Buckeye - Valencia Town Division
AZ0407078 · Groundwater · 30,377 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 (6)
| Rule | Status | Period |
|---|---|---|
| Chlorine | Resolved | Nov 1, 2025 to Nov 30, 2025 |
| Consumer Confidence Rule | Resolved | Oct 2, 2025 to Nov 7, 2025 |
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
| Lead and Copper Rule | Unaddressed | Jan 1, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2024 to Oct 17, 2024 |
| Chlorine | Resolved | Apr 1, 2022 to Jun 30, 2022 |
Festival Ranch
AZ0407765 · Groundwater · 10,313 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 (5)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Oct 2, 2025 to Nov 7, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2024 to Oct 17, 2024 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| TTHM | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Chlorine | Resolved | Apr 1, 2022 to Jun 30, 2022 |
City Of Buckeye Tartesso Water System
AZ0407526 · Groundwater · 10,123 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, 2023 to Dec 31, 2025
Violation history (3)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Oct 2, 2025 to Nov 7, 2025 |
| Chlorine | Resolved | Oct 1, 2023 to Dec 31, 2023 |
| Chlorine | Resolved | Apr 1, 2022 to Jun 30, 2022 |
Buckeye City Of
AZ0407089 · Groundwater · 7,008 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 (6)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Oct 2, 2025 to Nov 7, 2025 |
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
| Lead and Copper Rule | Resolved | Jan 1, 2025 to Oct 15, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2024 to Oct 17, 2024 |
| Chlorine | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Chlorine | Resolved | Apr 1, 2022 to Jun 30, 2022 |
Aspc Lewis Complex Water System
AZ0407555 · Groundwater · 4,300 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
- 0.0023 mg/L
- Action level
- 0.015 mg/L
15% of the listed benchmark
Monitoring period: Jan 1, 2025 to Jun 30, 2025
Violation history (48)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Archived | Mar 1, 2026 to Mar 31, 2026 |
| Lead and Copper Rule | Unaddressed | Jan 1, 2026 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2025 to Feb 2, 2026 |
| Lead and Copper Rule | Unaddressed | Jul 1, 2025 |
| Lead and Copper Rule | Unaddressed | Apr 3, 2025 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2025 to May 14, 2025 |
| Public Notice | Resolved | Dec 20, 2024 to Feb 3, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Feb 26, 2025 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Feb 26, 2025 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2024 to Sep 30, 2024 |
| Lead and Copper Rule | Resolved | Jul 1, 2024 to Jun 20, 2025 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2024 to Jul 31, 2024 |
| Nitrate | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Lead and Copper Rule | Resolved | Jan 1, 2024 to Jun 20, 2025 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2023 to Jul 31, 2023 |
| Lead and Copper RuleHealth-based | Resolved | Apr 1, 2022 to Aug 7, 2025 |
| Nitrate | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Lead and Copper Rule | Resolved | Oct 1, 2021 to Nov 3, 2021 |
| Chlorine | Resolved | Apr 1, 2021 to Jun 30, 2021 |
| Chlordane | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| 1,2-DIBROMO-3-CHLOROPROPANE | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Benzo(a)pyrene | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| 2,4-D | Archived | Jan 1, 2021 to Dec 31, 2023 |
| 2,3,7,8-TCDD | Archived | Jan 1, 2021 to Dec 31, 2023 |
| LASSO | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Picloram | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Simazine | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| OXAMYL | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Di(2-ethylhexyl) adipate | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Glyphosate | Archived | Jan 1, 2021 to Dec 31, 2023 |
| Endothall | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Diquat | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Toxaphene | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Endrin | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Dalapon | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Dinoseb | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Atrazine | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Pentachlorophenol | Archived | Jan 1, 2021 to Dec 31, 2023 |
| HEXACHLOROBENZENE | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Heptachlor epoxide | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| BHC-GAMMA | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| ETHYLENE DIBROMIDE | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Heptachlor | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| 2,4,5-TP | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Di(2-ethylhexyl) phthalate | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Hexachlorocyclopentadiene | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Carbofuran | Resolved | Jan 1, 2021 to Dec 31, 2023 |
| Methoxychlor | Resolved | Jan 1, 2021 to Dec 31, 2023 |
Clearwater Utility Company Inc
AZ0407019 · Groundwater · 2,175 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 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Arsenic
EPA SDWIS reported health-based violation
- Reported level
- 0.011 MG/L
- Maximum contaminant level
- 0.01 MG/L
110% of the listed benchmark
Monitoring period: Oct 1, 2024 to Dec 10, 2024
Violation history (12)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Unaddressed | Jan 1, 2026 |
| Revised Total Coliform Rule | Archived | Jan 1, 2026 to Jan 31, 2026 |
| E. COLI | Resolved | Dec 16, 2025 to Feb 17, 2026 |
| Revised Total Coliform RuleHealth-based | Resolved | Dec 1, 2025 to Dec 31, 2025 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2025 to Feb 17, 2026 |
| Public Notice | Resolved | Dec 1, 2025 to Dec 22, 2025 |
| E. COLI | Resolved | Aug 7, 2025 to Dec 4, 2025 |
| E. COLI | Resolved | Jun 6, 2025 to Dec 4, 2025 |
| ArsenicHealth-based | Resolved | Oct 1, 2024 to Dec 10, 2024 |
| Public Notice | Resolved | Feb 15, 2023 to Sep 12, 2023 |
| Fluoride | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Arsenic | Resolved | Oct 1, 2021 to Dec 31, 2021 |
Gila Bend Town Of
AZ0407069 · Groundwater · 1,922 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, 2023 to Dec 31, 2025
Violation history (10)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Oct 2, 2025 to Nov 7, 2025 |
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
| Arsenic | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Fluoride | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Chlorine | Resolved | Jan 1, 2024 to Jan 31, 2024 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2023 to Dec 31, 2023 |
| Public Notice | Resolved | Sep 29, 2023 to Jun 24, 2025 |
| Chlorine | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2022 to Aug 31, 2022 |
| Chlorine | Resolved | Jan 1, 2021 to Mar 31, 2021 |
Vwc Buckeye Division Sun Valley
AZ0407195 · Groundwater · 1,378 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
- 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 (4)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Oct 2, 2025 to Nov 7, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2024 to Oct 17, 2024 |
| Chlorine | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Groundwater RuleHealth-based | Unaddressed | Jul 1, 2018 |
Trillium Water System
AZ0407773 · Groundwater · 1,100 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, 2026 to Jun 30, 2026
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Country Home Mhp
AZ0407343 · Groundwater · 300 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
- 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 (3)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Unaddressed | Oct 2, 2025 |
| LEAD AND COPPER RULE REVISIONS | Addressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Addressed | Oct 17, 2024 |
Hardness meter
What does nearby environmental evidence show?
239.5
PPM as CaCO₃
Very Hard
PPM
239.5
GPG
14
Regional environmental evidence
USGS hardness classification scale
239.5 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
239.5
mg/L as CaCO₃ equivalent
Grains per gallon
14
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
34
Nearest site
3.5 mi
Observation range
Feb 28, 2018–Dec 18, 2024
Regional evidence confidence
High
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: B-02-02 28BCA (Well).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 85340 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Buckeye median
481 PPM
241 PPM lower5 indexed ZIP readings · Range 239.5–2680 PPM
Arizona median
64 PPM
176 PPM higher213 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
An active health-based record is present. Follow the utility's current notice and public-health instructions.
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 Buckeye
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Buckeye
Is tap water safe in Buckeye?+
EPA ECHO reports 2 active health-based violations among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
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.