Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Eloy, AZ 85123
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Pinal County.
Historical measurement record needs context
- Largest possible serving system
- Cca - Eloy Complex
- Source water
- Groundwater
- County
- Pinal 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
4 systems
Serves 8,852 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.
Cca - Eloy Complex
AZ0411115 · Groundwater · 8,852 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
- 5.0e-4 mg/L
- Action level
- 0.015 mg/L
3% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (11)
| Rule | Status | Period |
|---|---|---|
| Arsenic | Resolved | Oct 1, 2025 to Dec 31, 2025 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2024 to Aug 13, 2024 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2024 to Mar 18, 2024 |
| Revised Total Coliform Rule | Resolved | Jan 1, 2024 to Mar 12, 2024 |
| Lead and Copper Rule | Resolved | Jan 1, 2024 to Jul 26, 2023 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2023 to Feb 5, 2024 |
| E. COLI | Resolved | Jul 1, 2022 to Sep 6, 2022 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2022 to Sep 6, 2022 |
| Revised Total Coliform Rule | Resolved | Mar 1, 2022 to Apr 26, 2022 |
| Arsenic | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Revised Total Coliform Rule | Resolved | Mar 1, 2021 to Apr 14, 2021 |
Eloy City Of
AZ0411030 · Groundwater · 7,903 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
- 0.0018 mg/L
- Action level
- 0.015 mg/L
12% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Nitrate
EPA SDWIS reported health-based violation
- Reported level
- 11 MG/L
- Maximum contaminant level
- 10 MG/L
110% of the listed benchmark
Monitoring period: Jan 1, 2026 to Mar 31, 2026
Violation history (23)
| Rule | Status | Period |
|---|---|---|
| NitrateHealth-based | Archived | Jan 1, 2026 to Mar 31, 2026 |
| NitrateHealth-based | Archived | Jan 1, 2026 to Mar 31, 2026 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2025 to Dec 31, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2025 to Nov 14, 2025 |
| TTHM | Resolved | Jul 1, 2024 to Sep 30, 2024 |
| Total Haloacetic Acids (HAA5) | Resolved | Jul 1, 2024 to Sep 30, 2024 |
| Revised Total Coliform Rule | Resolved | May 1, 2024 to Jun 21, 2024 |
| Chlorine | Resolved | Mar 1, 2024 to Mar 31, 2024 |
| Revised Total Coliform Rule | Resolved | Mar 1, 2024 to Apr 16, 2024 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2024 to Mar 18, 2024 |
| Revised Total Coliform Rule | Resolved | Jan 1, 2024 to Feb 27, 2024 |
| Chlorine | Resolved | Oct 1, 2023 to Dec 31, 2023 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2023 to Nov 30, 2023 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2023 to Jun 8, 2023 |
| Chlorine | Resolved | Apr 1, 2023 to Jun 30, 2023 |
| Chlorine | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Revised Total Coliform Rule | Resolved | Nov 1, 2022 to Mar 24, 2023 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2022 to Nov 18, 2022 |
| Chlorine | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2022 to Nov 21, 2022 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2022 to Jul 19, 2022 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2022 to May 30, 2022 |
| Chlorine | Resolved | Oct 1, 2021 to Dec 31, 2021 |
Silverbell Irrigation & Drainage Dist
AZ0411005 · Groundwater · 375 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, 2022 to Dec 31, 2024
Nitrate
EPA SDWIS reported health-based violation
- Reported level
- 33 MG/L
- Maximum contaminant level
- 10 MG/L
330% of the listed benchmark
Monitoring period: Jan 1, 2025 to Dec 31, 2025
Violation history (25)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Resolved | Jan 1, 2026 to Mar 26, 2026 |
| Consumer Confidence Rule | Resolved | Oct 2, 2025 to Oct 14, 2025 |
| Chlorine | Resolved | May 1, 2025 to May 31, 2025 |
| NitrateHealth-based | Resolved | Jan 1, 2025 to Dec 31, 2025 |
| Lead and Copper Rule | Resolved | Jan 1, 2025 to Nov 1, 2024 |
| Consumer Confidence Rule | Resolved | Oct 2, 2023 to Mar 15, 2024 |
| Chlorine | Resolved | Oct 1, 2023 to Dec 31, 2023 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2023 to Aug 31, 2023 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Mar 15, 2024 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2023 to Jul 31, 2023 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2023 to Jun 30, 2023 |
| Chlorine | Resolved | Apr 1, 2023 to Jun 30, 2023 |
| Revised Total Coliform Rule | Resolved | Mar 1, 2023 to Mar 14, 2024 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2023 to May 19, 2023 |
| Chlorine | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Revised Total Coliform Rule | Resolved | Jan 1, 2023 to Jan 31, 2023 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2022 to Jan 24, 2023 |
| Revised Total Coliform Rule | Resolved | Nov 1, 2022 to May 19, 2023 |
| Consumer Confidence Rule | Resolved | Oct 2, 2022 to Mar 15, 2024 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2022 to Nov 23, 2022 |
| Chlorine | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Chlorine | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Public Notice | Resolved | May 15, 2021 to Mar 15, 2024 |
| Arsenic | Resolved | Apr 1, 2021 to Jun 30, 2021 |
| Arsenic | Resolved | Jan 1, 2021 to Mar 31, 2021 |
Villa Grande Dwid
AZ0411321 · Groundwater · 283 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, 2025 to Dec 31, 2025
Nitrate
EPA SDWIS reported health-based violation
- Reported level
- 19 MG/L
- Maximum contaminant level
- 10 MG/L
190% of the listed benchmark
Monitoring period: Oct 1, 2024 to Dec 31, 2024
Violation history (25)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Oct 2, 2025 to Oct 14, 2025 |
| Chlorine | Resolved | May 1, 2025 to May 31, 2025 |
| Lead and Copper Rule | Resolved | Jan 1, 2025 to Oct 4, 2024 |
| NitrateHealth-based | Resolved | Oct 1, 2024 to Dec 31, 2024 |
| Total Haloacetic Acids (HAA5) | Resolved | Jul 1, 2024 to Sep 30, 2024 |
| TTHM | Resolved | Jul 1, 2024 to Sep 30, 2024 |
| NitrateHealth-based | Resolved | Jul 1, 2024 to Sep 30, 2024 |
| E. COLI | Resolved | Apr 27, 2024 to Jun 10, 2024 |
| NitrateHealth-based | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Chlorine | Resolved | Apr 1, 2024 to Apr 30, 2024 |
| Public Notice | Resolved | Feb 17, 2024 to Mar 26, 2024 |
| NitrateHealth-based | Resolved | Jan 1, 2024 to Mar 31, 2024 |
| NitrateHealth-based | Resolved | Oct 1, 2023 to Dec 31, 2023 |
| Chlorine | Resolved | Jul 1, 2023 to Sep 30, 2023 |
| NitrateHealth-based | Resolved | Jul 1, 2023 to Sep 30, 2023 |
| NitrateHealth-based | Resolved | Apr 1, 2023 to Jun 30, 2023 |
| NitrateHealth-based | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| NitrateHealth-based | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| NitrateHealth-based | Resolved | Jul 1, 2022 to Sep 30, 2022 |
| NitrateHealth-based | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| NitrateHealth-based | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| NitrateHealth-based | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| NitrateHealth-based | Resolved | Jul 1, 2021 to Sep 30, 2021 |
| NitrateHealth-based | Resolved | Apr 1, 2021 to Jun 30, 2021 |
| NitrateHealth-based | Resolved | Jan 1, 2021 to Mar 31, 2021 |
Hardness estimate unavailable
No responsible local estimate yet
We did not find enough qualifying recent USGS hardness observations within 25 miles of this ZIP centroid. We leave the value blank instead of substituting a state average. Ask the serving utility or test the household tap for a property-specific result.
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
Ask the utility for hardness or test at the tap. For health concerns, use a certified laboratory and targeted analysis.
Convert your hardness test result →Nearby indexed reports
More local profiles in Eloy
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Eloy
Is tap water safe in Eloy?+
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.