City water profile

Water hardness in Sahuarita

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

Sahuarita Water Company

AZ0410312 · Groundwater · 18,178 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 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Gw Farmers Water Co - Santa Rita Springs

AZ0410213 · Groundwater · 3,990 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 (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Gw Farmers Water Co - Sahuarita Highland

AZ0410414 · Groundwater · 492 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 (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Shiloh Water Company

AZ0410450 · Groundwater · 309 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 (6)

Imported violation history for Shiloh Water Company
Rule	Status	Period
Revised Total Coliform Rule	Archived	Feb 1, 2026 to Feb 28, 2026
E. COLI	Resolved	Jul 23, 2025 to Dec 11, 2025
Chlorine	Resolved	Oct 1, 2023 to Dec 31, 2023
Revised Total Coliform Rule	Resolved	Dec 1, 2021 to Dec 31, 2021
Public Notice	Resolved	Oct 2, 2021 to Nov 22, 2021
Chlorine	Resolved	Oct 1, 2021 to Dec 31, 2021

Los Arboles Mobile Home Park

AZ0420175 · Groundwater · 303 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, 2021 to Dec 31, 2023

Violation history (1)

Imported violation history for Los Arboles Mobile Home Park
Rule	Status	Period
Revised Total Coliform Rule	Resolved	Feb 1, 2021 to Mar 19, 2021

Mobile Home Properties

AZ0410319 · Groundwater · 114 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, 2021 to Dec 31, 2023

Violation history (8)

Imported violation history for Mobile Home Properties
Rule	Status	Period
Revised Total Coliform Rule	Resolved	Feb 1, 2026 to Feb 28, 2026
Revised Total Coliform Rule	Resolved	Jan 1, 2026 to Jan 31, 2026
Revised Total Coliform Rule	Resolved	Dec 1, 2025 to Dec 31, 2025
Revised Total Coliform Rule	Resolved	Jun 1, 2024 to Jun 30, 2024
Lead and Copper Rule	Resolved	Jan 1, 2024 to Nov 1, 2023
Lead and Copper Rule	Resolved	Oct 1, 2023 to Nov 2, 2023
Revised Total Coliform Rule	Resolved	Feb 1, 2021 to Mar 19, 2021
Consumer Confidence Rule	Unaddressed	Jul 1, 2002

Sahuarita Village Water Company

AZ0410123 · Groundwater · 93 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: 3.2e-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 (22)

Imported violation history for Sahuarita Village Water Company
Rule	Status	Period
Revised Total Coliform Rule	Resolved	Oct 1, 2025 to Dec 10, 2025
LEAD AND COPPER RULE REVISIONS	Unaddressed	Jul 2, 2025
Public Notice	Resolved	Dec 20, 2024 to Jun 30, 2025
LEAD AND COPPER RULE REVISIONS	Resolved	Oct 17, 2024 to Dec 10, 2024
LEAD AND COPPER RULE REVISIONSHealth-based	Resolved	Oct 17, 2024 to Dec 10, 2024
Revised Total Coliform Rule	Resolved	Jun 1, 2024 to Jul 22, 2024
TTHM	Resolved	Jan 1, 2024 to Dec 31, 2024
Total Haloacetic Acids (HAA5)	Resolved	Jan 1, 2024 to Dec 31, 2024
Chlorine	Resolved	Oct 1, 2023 to Dec 31, 2023
Revised Total Coliform Rule	Resolved	Jul 1, 2023 to Aug 14, 2023
Chlorine	Resolved	Apr 1, 2023 to Jun 30, 2023
Revised Total Coliform Rule	Resolved	Jan 1, 2023 to Jan 31, 2023
Consumer Confidence Rule	Resolved	Oct 2, 2022 to Nov 8, 2022
Chlorine	Resolved	Apr 1, 2022 to Jun 30, 2022
Chlorine	Resolved	Jan 1, 2022 to Mar 31, 2022
Public Notice	Resolved	Nov 2, 2021 to Sep 14, 2023
Chlorine	Resolved	Oct 1, 2021 to Dec 31, 2021
Total Haloacetic Acids (HAA5)	Resolved	Aug 1, 2021 to Jul 31, 2022
TTHM	Resolved	Aug 1, 2021 to Jul 31, 2022
Chlorine	Resolved	Jul 1, 2021 to Sep 30, 2021
Revised Total Coliform Rule	Resolved	Jul 1, 2021 to Aug 18, 2021
Chlorine	Resolved	Jan 1, 2021 to Mar 31, 2021

Gw Ocotillo Water - Sierrita Foothills

AZ0410270 · Groundwater · 84 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 (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Lazy Acres Mhp

AZ0420176 · Groundwater · 75 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 (2)

Imported violation history for Lazy Acres Mhp
Rule	Status	Period
Nitrate	Resolved	Jan 1, 2021 to Mar 31, 2021
Consumer Confidence Rule	Unaddressed	Jul 1, 2002

Santa Rita Heights Mhp

AZ0420419 · Groundwater · 50 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, 2023

Violation history (10)

Imported violation history for Santa Rita Heights Mhp
Rule	Status	Period
Consumer Confidence Rule	Resolved	Jul 1, 2024 to Oct 10, 2024
Consumer Confidence Rule	Resolved	Oct 2, 2022 to Oct 19, 2022
Consumer Confidence Rule	Resolved	Jul 1, 2022 to Sep 22, 2022
Revised Total Coliform RuleHealth-based	Resolved	Nov 25, 2021 to Dec 21, 2021
E. COLI	Resolved	Nov 7, 2021 to Nov 16, 2021
Revised Total Coliform Rule	Resolved	Oct 25, 2021 to Dec 21, 2021
E. COLI	Resolved	Sep 15, 2021 to Sep 27, 2021
Revised Total Coliform Rule	Unaddressed	Sep 2, 2021
Chlorine	Resolved	Jul 1, 2021 to Sep 30, 2021
Consumer Confidence Rule	Resolved	Jul 1, 2021 to Aug 19, 2021

City summary

What the indexed records say

Sahuarita has 1 published ZIP profile across Pima County. The regional-evidence median is 153 PPM. The city does not meet the stricter comparison standard.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard1 ZIP

Very hard0 ZIPs

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 24.3 miles
Profiles with evidence: 1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Jan 11, 2016 to Aug 16, 2016.

ZIP directory

Water reports in Sahuarita

Open a ZIP for site-level provenance and measurements.

ZIP code

85629

Hard

153 PPM

Nearest site: 24.3 mi
Confidence: Low

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

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Questions people ask

About water in Sahuarita

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.