Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Sahuarita, AZ 85629
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Pima County.
No active health-based violation reported
- Largest possible serving system
- Sahuarita Water Company
- Source water
- Groundwater
- County
- Pima 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 18,178 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.
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
- 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
- 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
- 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
- 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)
| 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
- 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)
| 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
- 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)
| 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
- 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)
| 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
- 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
- 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 |
|---|---|---|
| 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
- 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)
| 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 |
Hardness meter
What does nearby environmental evidence show?
153
PPM as CaCO₃
Hard
PPM
153
GPG
8.9
Regional environmental evidence
USGS hardness classification scale
153 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
153
mg/L as CaCO₃ equivalent
Grains per gallon
8.9
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
4
Nearest site
24.3 mi
Observation range
Jan 11, 2016–Aug 16, 2016
Regional evidence confidence
Low
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: D-13-12 10DDA1 (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 85629 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Sahuarita median
153 PPM
About the same1 indexed ZIP readings · Range 153–153 PPM
Arizona median
64 PPM
89 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 →Frequently asked
Water questions for Sahuarita
Is tap water safe in Sahuarita?+
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.