Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Vernon, AZ 85940
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Apache County.
2 active health-based record(s) across possible systems
- Largest possible serving system
- Cedar Grove Water Company
- Source water
- Groundwater
- County
- Apache 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
7 systems
Serves 1,564 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.
Cedar Grove Water Company
AZ0401049 · Groundwater · 1,564 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
2 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
- 0.0014 mg/L
- Action level
- 0.015 mg/L
9% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (8)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Resolved | Nov 1, 2025 to Nov 30, 2025 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2025 to Sep 30, 2025 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2023 to Jun 30, 2023 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2023 to Jun 7, 2023 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2021 to Dec 23, 2021 |
| Lead and Copper Rule | Resolved | Jan 1, 2021 to Jan 11, 2021 |
| Groundwater RuleHealth-based | Unaddressed | May 25, 2019 |
| Groundwater RuleHealth-based | Unaddressed | May 25, 2019 |
Lord Az Water 2 - Winchester Trails
AZ0401047 · Groundwater · 1,304 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, 2025 to Dec 31, 2025
Violation history (12)
| Rule | Status | Period |
|---|---|---|
| E. COLI | Resolved | Dec 27, 2025 to Feb 20, 2026 |
| Revised Total Coliform Rule | Resolved | Nov 1, 2025 to Nov 30, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2025 to Dec 2, 2025 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2025 to Sep 30, 2025 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2025 to Aug 31, 2025 |
| Lead and Copper Rule | Resolved | Jan 1, 2025 to Oct 9, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2023 to Oct 30, 2023 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2023 to Jun 30, 2023 |
| Nitrate | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Lead and Copper Rule | Resolved | Oct 1, 2022 to Jun 19, 2023 |
| Revised Total Coliform Rule | Resolved | May 1, 2021 to May 31, 2021 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2021 to Apr 30, 2021 |
Timber Knoll Dwid
AZ0401015 · Groundwater · 153 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, 2023
Violation history (3)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Resolved | Apr 1, 2023 to May 31, 2023 |
| E. COLI | Resolved | Jul 8, 2022 to Sep 6, 2022 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2022 to Mar 31, 2022 |
Vernon Dwid
AZ0401019 · 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, 2022 to Dec 31, 2024
Violation history (2)
| Rule | Status | Period |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
| Groundwater RuleHealth-based | Resolved | Oct 18, 2022 to Dec 20, 2024 |
Show Low Pines Well 3
AZ0401076 · Groundwater · 57 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, 2025 to Dec 31, 2025
Violation history (14)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Resolved | Jan 1, 2026 to Mar 25, 2026 |
| Consumer Confidence Rule | Resolved | Oct 2, 2025 to Oct 7, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Oct 7, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2024 to Aug 19, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2023 to Aug 19, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2022 to Dec 23, 2022 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2022 to Nov 9, 2022 |
| Revised Total Coliform Rule | Resolved | Nov 1, 2021 to Jan 13, 2022 |
| Lead and Copper Rule | Resolved | Oct 1, 2021 to Jan 18, 2022 |
| Lead and Copper Rule | Resolved | Jul 1, 2021 to Jun 30, 2021 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2021 to Aug 20, 2021 |
| Revised Total Coliform Rule | Resolved | May 1, 2021 to Jun 7, 2021 |
| Public Notice | Resolved | Feb 27, 2021 to Mar 24, 2021 |
| Public Notice | Resolved | Feb 25, 2021 to Mar 24, 2021 |
Ojo Bonito Estates Dwid
AZ0401039 · Groundwater · 54 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, 2025 to Dec 31, 2025
Violation history (12)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Unaddressed | Jan 1, 2026 |
| Consumer Confidence Rule | Unaddressed | Oct 2, 2025 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Jul 2, 2025 to Jan 12, 2026 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2025 |
| Lead and Copper Rule | Unaddressed | Jan 1, 2025 |
| Consumer Confidence Rule | Unaddressed | Oct 2, 2023 |
| Lead and Copper Rule | Resolved | Oct 1, 2023 to Dec 31, 2023 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2023 |
| Lead and Copper Rule | Resolved | Jan 1, 2023 to Feb 15, 2023 |
| Consumer Confidence Rule | Unaddressed | Oct 2, 2022 |
| Lead and Copper Rule | Resolved | Jan 1, 2022 to Jan 26, 2022 |
| Lead and Copper Rule | Resolved | Jan 1, 2021 to Jan 11, 2021 |
Vernon Valley Water System
AZ0401054 · Groundwater · 54 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
- 0.002 mg/L
- Action level
- 0.015 mg/L
13% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (5)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Resolved | Feb 1, 2026 to Feb 28, 2026 |
| Revised Total Coliform Rule | Resolved | Nov 1, 2025 to Nov 30, 2025 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2023 to Aug 23, 2023 |
| Revised Total Coliform Rule | Archived | Jun 1, 2023 to Jun 30, 2023 |
| Lead and Copper Rule | Resolved | Jan 1, 2021 to Jan 11, 2021 |
Hardness meter
What does nearby environmental evidence show?
81.9
PPM as CaCO₃
Moderately Hard
PPM
81.9
GPG
4.8
Regional environmental evidence
USGS hardness classification scale
81.9 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
81.9
mg/L as CaCO₃ equivalent
Grains per gallon
4.8
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
3
Nearest site
18.1 mi
Observation range
Jul 12, 2017–Aug 1, 2017
Regional evidence confidence
Low
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: A-11-22 15ADB (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 85940 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Vernon median
82 PPM
About the same1 indexed ZIP readings · Range 81.9–81.9 PPM
Arizona median
64 PPM
18 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 →Frequently asked
Water questions for Vernon
Is tap water safe in Vernon?+
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.