Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Sierra Vista, AZ 85635
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Cochise County.
No active health-based violation reported
- Largest possible serving system
- Bella Vista City 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
No active flag
0 active health-based records
Measurements by utility
Each result belongs to a specific system.
Utility match
10 systems
Serves 20,045 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.
Bella Vista City Water System
AZ0402010 · Groundwater · 20,045 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
- 0.001 mg/L
- Action level
- 0.015 mg/L
7% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (2)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Resolved | Oct 1, 2023 to Oct 24, 2023 |
| Chlorine | Resolved | Jan 1, 2022 to Mar 31, 2022 |
Pueblo Del Sol Water Company
AZ0402044 · Groundwater · 12,804 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 (207)
| Rule | Status | Period |
|---|---|---|
| Di(2-ethylhexyl) phthalate | Resolved | Jul 1, 2025 to Sep 30, 2025 |
| E. COLI | Resolved | Nov 13, 2024 to Dec 30, 2024 |
| E. COLI | Resolved | Nov 13, 2024 to Dec 30, 2024 |
| E. COLI | Resolved | Nov 13, 2024 to Dec 30, 2024 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Dec 9, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Dec 9, 2024 |
| E. COLI | Resolved | Oct 11, 2024 to Dec 30, 2024 |
| E. COLI | Resolved | Oct 11, 2024 to Dec 30, 2024 |
| E. COLI | Resolved | Oct 11, 2024 to Dec 30, 2024 |
| E. COLI | Resolved | Oct 11, 2024 to Dec 30, 2024 |
| E. COLI | Resolved | Oct 11, 2024 to Dec 30, 2024 |
| E. COLI | Resolved | Sep 9, 2023 to Oct 17, 2023 |
| E. COLI | Resolved | Aug 11, 2023 to Sep 27, 2023 |
| E. COLI | Resolved | May 11, 2023 to Oct 17, 2023 |
| Nitrate | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Nitrate | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Nitrate | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Nitrate | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Groundwater RuleHealth-based | Resolved | Apr 24, 2022 to Jun 3, 2022 |
| Groundwater RuleHealth-based | Resolved | Apr 9, 2022 to Jun 10, 2022 |
| Public Notice | Resolved | Feb 20, 2022 to May 1, 2022 |
| Public Notice | Resolved | Feb 20, 2022 to May 1, 2022 |
| Public Notice | Resolved | Feb 20, 2022 to May 1, 2022 |
| Lead and Copper Rule | Resolved | Jan 1, 2022 to Feb 1, 2022 |
| Endrin | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Toxaphene | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Dalapon | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| OXAMYL | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Simazine | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Di(2-ethylhexyl) phthalate | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Picloram | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Hexachlorocyclopentadiene | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Carbofuran | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Atrazine | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| LASSO | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Heptachlor | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Heptachlor epoxide | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 2,4,5-TP | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Benzo(a)pyrene | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Pentachlorophenol | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Endrin | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| BHC-GAMMA | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Methoxychlor | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Toxaphene | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Dalapon | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Diquat | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Endothall | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Glyphosate | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Di(2-ethylhexyl) adipate | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| OXAMYL | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Simazine | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Di(2-ethylhexyl) phthalate | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Picloram | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Hexachlorocyclopentadiene | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| LASSO | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 2,3,7,8-TCDD | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 2,4,5-TP | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| HEXACHLOROBENZENE | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 1,2-DIBROMO-3-CHLOROPROPANE | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Chlordane | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Endrin | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Methoxychlor | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Toxaphene | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Dalapon | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Glyphosate | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Simazine | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Di(2-ethylhexyl) phthalate | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Picloram | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Dinoseb | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Atrazine | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 2,3,7,8-TCDD | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Heptachlor | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 2,4-D | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Benzo(a)pyrene | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 1,2-DIBROMO-3-CHLOROPROPANE | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| ETHYLENE DIBROMIDE | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Chlordane | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Atrazine | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Heptachlor epoxide | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Heptachlor | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Endrin | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| LASSO | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Benzo(a)pyrene | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Hexachlorocyclopentadiene | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Methoxychlor | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Toxaphene | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 2,3,7,8-TCDD | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 2,4,5-TP | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Picloram | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Carbofuran | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Chlordane | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Glyphosate | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Dinoseb | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Chlordane | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Diquat | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Hexachlorocyclopentadiene | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| BHC-GAMMA | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Methoxychlor | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 2,4-D | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Diquat | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Heptachlor epoxide | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Di(2-ethylhexyl) adipate | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Di(2-ethylhexyl) phthalate | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| BHC-GAMMA | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Endothall | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Simazine | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Heptachlor epoxide | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 2,4,5-TP | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Endothall | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Heptachlor | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| ETHYLENE DIBROMIDE | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Diquat | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 1,2-DIBROMO-3-CHLOROPROPANE | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| ETHYLENE DIBROMIDE | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Carbofuran | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| ETHYLENE DIBROMIDE | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| HEXACHLOROBENZENE | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Dalapon | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 2,4-D | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 2,4-D | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Glyphosate | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Dinoseb | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 2,3,7,8-TCDD | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| 1,2-DIBROMO-3-CHLOROPROPANE | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| BHC-GAMMA | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Dinoseb | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| HEXACHLOROBENZENE | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Pentachlorophenol | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Benzo(a)pyrene | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Carbofuran | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| OXAMYL | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Atrazine | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Pentachlorophenol | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| OXAMYL | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Endothall | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Pentachlorophenol | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| LASSO | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Di(2-ethylhexyl) adipate | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| HEXACHLOROBENZENE | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| Di(2-ethylhexyl) adipate | Resolved | Jan 1, 2022 to Dec 31, 2024 |
| E. COLI | Resolved | Dec 9, 2021 to Jan 26, 2022 |
| E. COLI | Resolved | Dec 9, 2021 to Dec 10, 2021 |
| Public Notice | Resolved | Feb 26, 2021 to Mar 1, 2020 |
| Xylenes, Total | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| o-Dichlorobenzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Vinyl chloride | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,1-Dichloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| trans-1,2-Dichloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,2-Dichloroethane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,1,1-Trichloroethane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Carbon tetrachloride | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,1,2-Trichloroethane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Tetrachloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Toluene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Ethylbenzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,2,4-Trichlorobenzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| cis-1,2-Dichloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Xylenes, Total | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| DICHLOROMETHANE | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| p-Dichlorobenzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,1-Dichloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,1,1-Trichloroethane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Carbon tetrachloride | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,2-Dichloropropane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Trichloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Tetrachloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Benzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,2,4-Trichlorobenzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| cis-1,2-Dichloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| DICHLOROMETHANE | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| o-Dichlorobenzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| p-Dichlorobenzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,2-Dichloroethane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Carbon tetrachloride | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,1,2-Trichloroethane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Tetrachloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| CHLOROBENZENE | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Toluene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Ethylbenzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Ethylbenzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Lead and Copper Rule | Resolved | Jan 1, 2021 to Aug 12, 2020 |
| Styrene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Xylenes, Total | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| o-Dichlorobenzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| CHLOROBENZENE | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Styrene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,2-Dichloropropane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Vinyl chloride | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Benzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,1,1-Trichloroethane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Trichloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| CHLOROBENZENE | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| DICHLOROMETHANE | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| p-Dichlorobenzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Toluene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| trans-1,2-Dichloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| cis-1,2-Dichloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Benzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| trans-1,2-Dichloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,1,2-Trichloroethane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Vinyl chloride | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,1-Dichloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,2-Dichloropropane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Trichloroethylene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,2,4-Trichlorobenzene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Styrene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,2-Dichloroethane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
Arizona Water Co - Sierra Vista
AZ0402004 · Groundwater · 9,175 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 (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 (2)
| Rule | Status | Period |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Nov 13, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Nov 13, 2024 |
Bella Vista Water South
AZ0402007 · Groundwater · 2,178 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, 2021 to Dec 31, 2023
Violation history (2)
| Rule | Status | Period |
|---|---|---|
| Chlorine | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2002 |
East Slope Water Company
AZ0402028 · Groundwater · 1,980 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 (2)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Resolved | Jun 1, 2022 to Aug 24, 2022 |
| Chlorine | Resolved | Apr 1, 2022 to Jun 30, 2022 |
Southland Utilities - Golden Acres
AZ0402029 · Groundwater · 1,614 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 (4)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Resolved | Jan 1, 2023 to Aug 31, 2023 |
| Lead and Copper RuleHealth-based | Resolved | Sep 1, 2022 to Mar 14, 2023 |
| Lead and Copper RuleHealth-based | Resolved | Apr 1, 2022 to Sep 28, 2022 |
| Lead and Copper RuleHealth-based | Resolved | Dec 1, 2021 to Sep 28, 2022 |
Southern Sunrise Wc Cochise Horseshoe
AZ0402011 · Groundwater · 1,588 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 |
|---|---|---|
| Chlorine | Resolved | Jan 1, 2022 to Mar 31, 2022 |
East Slope Water - West
AZ0402094 · Groundwater · 655 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
- 0.0069 mg/L
- Action level
- 0.015 mg/L
46% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (3)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Resolved | Jan 1, 2023 to Sep 16, 2022 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2022 to Aug 24, 2022 |
| Chlorine | Resolved | Apr 1, 2022 to Jun 30, 2022 |
Sierra Vista Mh Village
AZ0402101 · Groundwater · 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
- 2.8e-4 mg/L
- Action level
- 0.015 mg/L
2% of the listed benchmark
Monitoring period: Jan 1, 2025 to Dec 31, 2025
Violation history (4)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Dec 20, 2024 to Dec 3, 2024 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Oct 25, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Oct 25, 2024 |
| Lead and Copper Rule | Resolved | Oct 1, 2023 to Sep 3, 2024 |
Northern Sunrise Wc Mustang Crystal
AZ0402054 · Groundwater · 315 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 |
|---|---|---|
| Chlorine | Resolved | Jan 1, 2022 to Mar 31, 2022 |
Hardness meter
What does nearby environmental evidence show?
245
PPM as CaCO₃
Very Hard
PPM
245
GPG
14.3
Regional environmental evidence
USGS hardness classification scale
245 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
245
mg/L as CaCO₃ equivalent
Grains per gallon
14.3
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
19
Nearest site
13.8 mi
Observation range
Jan 22, 2020–Mar 31, 2026
Regional evidence confidence
Moderate
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: D-24-21 07ADA (Spring).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 85635 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Sierra Vista median
245 PPM
About the same2 indexed ZIP readings · Range 245–245 PPM
Arizona median
64 PPM
181 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
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 Sierra Vista
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Sierra Vista
Is tap water safe in Sierra Vista?+
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.