City water profile

Water hardness in Sierra Vista

Find official utility reports, understand hardness, and check the water system serving your home in Sierra Vista, Arizona.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 10
Active health records: 0

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 →

Convert a hardness result →Test your tap →

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

Below action level

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)

Imported violation history for Bella Vista City Water System
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

Below action level

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)

Imported violation history for Pueblo Del Sol Water Company
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

Below action level

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)

Imported violation history for Arizona Water Co - Sierra Vista
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

Below action level

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)

Imported violation history for Bella Vista Water South
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

Below action level

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)

Imported violation history for East Slope Water Company
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

Below action level

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)

Imported violation history for Southland Utilities - Golden Acres
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

Below action level

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)

Imported violation history for Southern Sunrise Wc Cochise Horseshoe
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

Below action level

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)

Imported violation history for East Slope Water - West
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

Below action level

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)

Imported violation history for Sierra Vista Mh Village
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

Below action level

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)

Imported violation history for Northern Sunrise Wc Mustang Crystal
Rule	Status	Period
Chlorine	Resolved	Jan 1, 2022 to Mar 31, 2022

City summary

What the indexed records say

Sierra Vista has 2 published ZIP profiles across Cochise County. The regional-evidence median is 245 PPM. The city does not meet the stricter comparison standard.

The 245–245 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard2 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 14.2 miles
Profiles with evidence: 2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Jan 22, 2020 to Mar 31, 2026.

ZIP directory

Water reports in Sierra Vista

Open a ZIP for site-level provenance and measurements.

ZIP code

85613

Very Hard

245 PPM

Nearest site: 14.2 mi
Confidence: Moderate

View full ZIP evidence →

ZIP code

85635

Very Hard

245 PPM

Nearest site: 13.8 mi
Confidence: Moderate

View full ZIP evidence →

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other Arizona communities

Bisbee

Cochise County

245 PPM median

Naco

Cochise County

245 PPM median

Tombstone

Cochise County

107 PPM median

Benson

Cochise County

— No median

Bowie

Cochise County

— No median

Douglas

Cochise County

— No median

Search all 133 Arizona cities →

Questions people ask

About water in Sierra Vista

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.