Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Benson, AZ 85602
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Cochise County.
1 active health-based record(s) across possible systems
- Largest possible serving system
- Benson, City Of Water System
- Source water
- Groundwater
- County
- Cochise 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
1 active health-based record
Measurements by utility
Each result belongs to a specific system.
Utility match
5 systems
Serves 5,355 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.
Benson, City Of Water System
AZ0402005 · Groundwater · 5,355 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 (5)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Resolved | Jan 1, 2026 to Mar 19, 2026 |
| Public Notice | Resolved | Oct 19, 2025 to Mar 26, 2026 |
| Lead and Copper Rule | Resolved | Oct 1, 2024 to Mar 4, 2026 |
| Consumer Confidence Rule | Resolved | Oct 2, 2022 to Oct 19, 2022 |
| Lead and Copper Rule | Resolved | Jan 1, 2022 to Feb 8, 2022 |
Mescal Lakes Water System
AZ0402052 · Groundwater · 1,390 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 |
|---|---|---|
| TTHM | Resolved | Jan 1, 2023 to Jul 12, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2023 to Jul 12, 2023 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2022 to Aug 24, 2022 |
| Chlorine | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2002 |
Willow Lakes Property Owners Assoc
AZ0402042 · Groundwater · 190 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
- 0.001 mg/L
- Action level
- 0.015 mg/L
7% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (28)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Oct 17, 2025 to Nov 24, 2025 |
| Consumer Confidence Rule | Unaddressed | Oct 2, 2025 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2025 |
| Public Notice | Unaddressed | Dec 20, 2024 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Jan 15, 2026 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Jan 15, 2026 |
| Groundwater RuleHealth-based | Resolved | Sep 8, 2024 to Dec 31, 2024 |
| Groundwater RuleHealth-based | Unaddressed | Sep 8, 2024 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2024 to Sep 11, 2024 |
| Revised Total Coliform RuleHealth-based | Resolved | Jul 21, 2024 to Jul 21, 2024 |
| E. COLI | Resolved | Jul 5, 2024 to Jul 26, 2024 |
| Public Notice | Resolved | May 18, 2024 to Jun 19, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Oct 6, 2023 |
| E. COLI | Resolved | Apr 12, 2023 to Oct 17, 2023 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2023 to May 16, 2023 |
| Public Notice | Resolved | Jan 29, 2023 to Mar 29, 2023 |
| Lead and Copper Rule | Resolved | Jan 1, 2023 to Apr 7, 2023 |
| Public Notice | Resolved | Dec 19, 2022 to Mar 29, 2023 |
| Revised Total Coliform RuleHealth-based | Resolved | Nov 14, 2022 to Jan 13, 2023 |
| E. COLI | Resolved | Oct 28, 2022 to May 22, 2023 |
| E. COLI | Resolved | Oct 12, 2022 to May 22, 2023 |
| Revised Total Coliform RuleHealth-based | Resolved | Oct 3, 2022 to May 22, 2023 |
| Consumer Confidence Rule | Resolved | Oct 2, 2022 to Aug 17, 2023 |
| Revised Total Coliform RuleHealth-based | Resolved | Sep 3, 2022 to May 22, 2023 |
| Chlorine | Resolved | Jul 1, 2022 to Sep 30, 2022 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Aug 17, 2023 |
| Consumer Confidence Rule | Resolved | Oct 2, 2021 to Jul 20, 2023 |
| E. COLI | Resolved | Jul 16, 2021 to Jul 29, 2021 |
Whetstone Ranch Water System
AZ0402125 · Groundwater · 183 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
- 0.003 mg/L
- Action level
- 0.015 mg/L
20% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (6)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Archived | Feb 1, 2026 to Feb 28, 2026 |
| Public Notice | Resolved | Dec 20, 2024 to Jan 10, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Dec 9, 2024 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Dec 9, 2024 |
| Lead and Copper Rule | Resolved | Jan 1, 2024 to Jan 31, 2024 |
| Consumer Confidence Rule | Resolved | Oct 2, 2022 to Oct 19, 2022 |
Empirita Water Company
AZ0402122 · Groundwater · 120 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
- 0.0015 mg/L
- Action level
- 0.015 mg/L
10% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (6)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Dec 20, 2024 to Dec 13, 2024 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Dec 19, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Dec 19, 2025 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2023 to Aug 17, 2023 |
| Revised Total Coliform Rule | Resolved | Nov 1, 2021 to Jan 11, 2022 |
| Revised Total Coliform Rule | Resolved | Mar 1, 2021 to May 11, 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
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
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 Benson
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Benson
Is tap water safe in Benson?+
EPA ECHO reports 1 active health-based violation 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.