2025 report; sample dates shown in full report
Select this exact provider and supply system. A city, county or ZIP match alone does not confirm the water reaching your home.
See the amount, the comparison and what it means. “Below” refers to the stated benchmark, not zero risk.
240 mg/L regional estimate
MyTapWater shows a Pinal County USGS-based regional estimate of 240 mg/L as CaCO₃ (about 14 gpg), not a measurement from this utility or your tap. The 2025 utility report does not list hardness. Confirm incoming hardness before sizing or setting a softener.
USGS: hard >120; very hard >180 mg/L as CaCO₃
1.4mg/L
2025 reported average; range 0.44–2.09
4 mg/L MRDL
0.92–2.47mg/L
May / October 2025 range
4 mg/L primary MCL; 2 mg/L secondary guideline
7.2µg/L
2025 highest locational running annual average; sample range 1.3–9.1
10 µg/L MCL
1.09–9.37mg/L
Quarterly 2025 sample range
10 mg/L MCL
38µg/L
2025 reported compliance value; sample range 1.4–44.7
80 µg/L MCL
4µg/L
Q4 2025 compliance value; range ND–5.6
60 µg/L MCL
170–290mg/L
May / October 2025 range
No limit listed in report
2025 report; sample dates shown in full report
Select this exact provider and supply system. A city, county or ZIP match alone does not confirm the water reaching your home.
See the amount, the comparison and what it means. “Below” refers to the stated benchmark, not zero risk.
240 mg/L regional estimate
MyTapWater shows a Pinal County USGS-based regional estimate of 240 mg/L as CaCO₃ (about 14 gpg), not a measurement from this utility or your tap. The 2025 utility report does not list hardness. Confirm incoming hardness before sizing or setting a softener.
USGS: hard >120; very hard >180 mg/L as CaCO₃
1.4mg/L
Local system 2025 average; range 0.9–1.7
4 mg/L MRDL
0.92–2.47mg/L
May / October 2025 range; Pinal Valley supplier results
4 mg/L primary MCL; 2 mg/L secondary guideline
7.2µg/L
2025 highest locational running annual average; sample range 1.3–9.1; Pinal Valley supplier results
10 µg/L MCL
1.09–9.37mg/L
Quarterly 2025 sample range; Pinal Valley supplier results
10 mg/L MCL
6.0µg/L
Local system July 2023 result
80 µg/L MCL
170–290mg/L
May / October 2025 range; Pinal Valley supplier results
No limit listed in report
ND–91ng/L
August 2024 / February 2025 range; Pinal Valley supplier results
No individual MCL listed in report
2025 report; sample dates shown in full report
Select this exact provider and supply system. A city, county or ZIP match alone does not confirm the water reaching your home.
See the amount, the comparison and what it means. “Below” refers to the stated benchmark, not zero risk.
240 mg/L regional estimate
MyTapWater shows a Pinal County USGS-based regional estimate of 240 mg/L as CaCO₃ (about 14 gpg), not a measurement from this utility or your tap. The 2025 utility report does not list hardness. Confirm incoming hardness before sizing or setting a softener.
USGS: hard >120; very hard >180 mg/L as CaCO₃
1.4mg/L
Local system 2025 average; range 0.8–2.1
4 mg/L MRDL
0.5–2.47mg/L
Quarterly 2025; Casa Grande West + Pinal Valley
4 mg/L primary MCL; 2 mg/L secondary guideline
7.2 µg/L highest locational average
Quarterly 2025; range ND–9.1; Pinal Valley supplier results
10 µg/L MCL
1.09–9.37mg/L
Quarterly 2025 sample range; Pinal Valley supplier results
10 mg/L MCL
4.3µg/L
Local system September 2024 result
80 µg/L MCL
140–290mg/L
January / October 2025; Casa Grande West + Pinal Valley
No limit listed in report
ND–91ng/L
August 2024 / February 2025 range; Pinal Valley supplier results
No individual MCL listed in report
2025 report; sample dates shown in full report
Select this exact provider and supply system. A city, county or ZIP match alone does not confirm the water reaching your home.
See the amount, the comparison and what it means. “Below” refers to the stated benchmark, not zero risk.
240 mg/L regional estimate
MyTapWater shows a Pinal County USGS-based regional estimate of 240 mg/L as CaCO₃ (about 14 gpg), not a measurement from this utility or your tap. The 2025 utility report does not list hardness. Confirm incoming hardness before sizing or setting a softener.
USGS: hard >120; very hard >180 mg/L as CaCO₃
1.6mg/L
AWC monthly 2025 average; range 1.51–1.66
4 mg/L MRDL
0.72–0.87mg/L
AWC July 2024 sample range
4 mg/L MCL
5.7µg/L
2025 highest locational running annual average; range 1.4–5.7; AWC + AJWD
10 µg/L MCL
ND–1.59mg/L
2025 range; AWC + AJWD
10 mg/L MCL
16.1µg/L
AWC 2025 compliance value; range 0.5–26.2
80 µg/L MCL
1.1µg/L
AWC 2025 compliance value; range ND–4.2
60 µg/L MCL
8.4–11µg/L
AWC May 2021 / July 2024 samples
100 µg/L MCL
2025 report; sample dates shown in full report
Select this exact provider and supply system. A city, county or ZIP match alone does not confirm the water reaching your home.
See the amount, the comparison and what it means. “Below” refers to the stated benchmark, not zero risk.
Above 10.5 gpg — guidance
The district’s undated hardness guide describes its blended supply as above 10.5 gpg. Its 232 mg/L (13.5 gpg) Well 5 reading is dated November 6, 2014; it is not a current system average. Test your incoming water for sizing.
USGS: hard >120; very hard >180 mg/L as CaCO₃
0.93mg/L
2025 running annual average; range 0.82–0.93; combined report label
4 mg/L MRDL
Not listed in this table
2025 report; no numeric result shown
No comparison possible
2.9µg/L
2025 reported value; range 1.4–2.9
10 µg/L MCL
0–0.48mg/L
2025 range
10 mg/L MCL
75 µg/L; range 31.1–97.2
2025 summary value; separate Q2 violation notice
80 µg/L MCL; evaluated using LRAA
21µg/L
2025 reported value; range 14–28.9
60 µg/L MCL
0.98mg/L
2025 highest listed; range <0.02–0.98
1 mg/L MCL
Continue with your home details for general filtration guidance. We will not use another utility’s numbers as your result.
Find My Water System →A city report cannot establish a well’s water quality. Well-water treatment depends on your test results and site conditions.
Explore well-water systems →The figures below are provider-specific. They are not a countywide average.
| Utility | Hardness | Hardness source |
|---|---|---|
| 240 mg/L regional estimate · Very hard regional estimate | Undated regional estimate; utility CCR: 2025 | |
| 240 mg/L regional estimate · Very hard regional estimate | Undated regional estimate; utility CCR: 2025 | |
| 240 mg/L regional estimate · Very hard regional estimate | Undated regional estimate; utility CCR: 2025 | |
| 240 mg/L regional estimate · Very hard regional estimate | Undated regional estimate; utility CCR: 2025 | |
| Above 10.5 gpg — guidance · Very hard — utility guidance | Undated guidance; cited well sample: November 6, 2014 |
Selected results with the original sampling dates and measurement basis. Open the utility report for every parameter, notice and footnote.
Open the complete utility report ↗
| What was measured | Reported amount | Sample year / source date | How to read it |
|---|---|---|---|
| Hardness | 240 mg/L regional estimate MyTapWater shows a Pinal County USGS-based regional estimate of 240 mg/L as CaCO₃ (about 14 gpg), not a measurement from this utility or your tap. The 2025 utility report does not list hardness. Confirm incoming hardness before sizing or setting a softener. | Undated regional estimate; utility CCR: 2025View source ↗ | Very hard regional estimate |
| Chlorine | 1.4 mg/L2025 reported average; range 0.44–2.09 | 2025View source ↗ | Below disinfectant benchmark4 mg/L MRDL |
| Fluoride | 0.92–2.47 mg/LMay / October 2025 range | 2025View source ↗ | Below primary limit; range crosses secondary4 mg/L primary MCL; 2 mg/L secondary guideline |
| Arsenic | 7.2 µg/L2025 highest locational running annual average; sample range 1.3–9.1 | 2025View source ↗ | Below listed limit10 µg/L MCL |
| Nitrate as nitrogen | 1.09–9.37 mg/LQuarterly 2025 sample range | 2025View source ↗ | Maximum close to limit: 94%10 mg/L MCL |
| Total trihalomethanes | 38 µg/L2025 reported compliance value; sample range 1.4–44.7 | 2025View source ↗ | Below listed limit80 µg/L MCL |
| Haloacetic acids | 4 µg/LQ4 2025 compliance value; range ND–5.6 | 2025View source ↗ | Below listed limit60 µg/L MCL |
| Sodium | 170–290 mg/LMay / October 2025 range | 2025View source ↗ | No high/low rating assignedNo limit listed in report |
| PFBS | ND–91 ng/LAugust 2024 / February 2025 range | 2024 / 2025View source ↗ | Detected; no high/low rating assignedNo individual MCL listed in report |
| Lithium | 224 µg/L average February 2025; range 38–353 | 2025View source ↗ | Detected; no legal-limit ratingNo MCL listed in report |
In drinking water, ppm ≈ mg/L, ppb ≈ µg/L and ppt ≈ ng/L. Calculated hardness in grains per US gallon (gpg) = mg/L as CaCO₃ ÷ 17.118, rounded to one decimal. ND means below the reporting limit, not zero.
MCL is an enforceable contaminant limit; MRDL is a disinfectant limit. A secondary guideline concerns aesthetics. TTHM/HAA5 compliance uses locational running annual averages; read the utility’s notices as well as individual results.
PFAS results are compound-specific. Source monitoring, entry-point samples and tap tests are different. A detected result does not identify every PFAS compound or establish the level at your home. Read the original report for context and current utility notices. EPA PFAS benchmarks and implementation ↗
Choose the system size, keep useful existing equipment, and review your filtration goals.
Source water. Source blends and service areas can differ. Read the utility’s source-water description in the original report and confirm the system on your bill.
Selected results with the original sampling dates and measurement basis. Open the utility report for every parameter, notice and footnote.
Open the complete utility report ↗
| What was measured | Reported amount | Sample year / source date | How to read it |
|---|---|---|---|
| Hardness | 240 mg/L regional estimate MyTapWater shows a Pinal County USGS-based regional estimate of 240 mg/L as CaCO₃ (about 14 gpg), not a measurement from this utility or your tap. The 2025 utility report does not list hardness. Confirm incoming hardness before sizing or setting a softener. | Undated regional estimate; utility CCR: 2025View source ↗ | Very hard regional estimate |
| Chlorine | 1.4 mg/LLocal system 2025 average; range 0.9–1.7 | 2025View source ↗ | Below disinfectant benchmark4 mg/L MRDL |
| Fluoride | 0.92–2.47 mg/LMay / October 2025 range; Pinal Valley supplier results | 2025View source ↗ | Below primary limit; range crosses secondary4 mg/L primary MCL; 2 mg/L secondary guideline |
| Arsenic | 7.2 µg/L2025 highest locational running annual average; sample range 1.3–9.1; Pinal Valley supplier results | 2025View source ↗ | Below listed limit10 µg/L MCL |
| Nitrate as nitrogen | 1.09–9.37 mg/LQuarterly 2025 sample range; Pinal Valley supplier results | 2025View source ↗ | Maximum close to limit: 94%10 mg/L MCL |
| Total trihalomethanes | 6.0 µg/LLocal system July 2023 result | 2023View source ↗ | Below limit; older sample year80 µg/L MCL |
| Sodium | 170–290 mg/LMay / October 2025 range; Pinal Valley supplier results | 2025View source ↗ | No high/low rating assignedNo limit listed in report |
| PFBS | ND–91 ng/LAugust 2024 / February 2025 range; Pinal Valley supplier results | 2024 / 2025View source ↗ | Detected; no high/low rating assignedNo individual MCL listed in report |
In drinking water, ppm ≈ mg/L, ppb ≈ µg/L and ppt ≈ ng/L. Calculated hardness in grains per US gallon (gpg) = mg/L as CaCO₃ ÷ 17.118, rounded to one decimal. ND means below the reporting limit, not zero.
MCL is an enforceable contaminant limit; MRDL is a disinfectant limit. A secondary guideline concerns aesthetics. TTHM/HAA5 compliance uses locational running annual averages; read the utility’s notices as well as individual results.
PFAS results are compound-specific. Source monitoring, entry-point samples and tap tests are different. A detected result does not identify every PFAS compound or establish the level at your home. Read the original report for context and current utility notices. EPA PFAS benchmarks and implementation ↗
Choose the system size, keep useful existing equipment, and review your filtration goals.
Source water. Source blends and service areas can differ. Read the utility’s source-water description in the original report and confirm the system on your bill.
Selected results with the original sampling dates and measurement basis. Open the utility report for every parameter, notice and footnote.
Open the complete utility report ↗
| What was measured | Reported amount | Sample year / source date | How to read it |
|---|---|---|---|
| Hardness | 240 mg/L regional estimate MyTapWater shows a Pinal County USGS-based regional estimate of 240 mg/L as CaCO₃ (about 14 gpg), not a measurement from this utility or your tap. The 2025 utility report does not list hardness. Confirm incoming hardness before sizing or setting a softener. | Undated regional estimate; utility CCR: 2025View source ↗ | Very hard regional estimate |
| Chlorine | 1.4 mg/LLocal system 2025 average; range 0.8–2.1 | 2025View source ↗ | Below disinfectant benchmark4 mg/L MRDL |
| Fluoride | 0.5–2.47 mg/LQuarterly 2025; Casa Grande West + Pinal Valley | 2025View source ↗ | Below primary limit; range crosses secondary4 mg/L primary MCL; 2 mg/L secondary guideline |
| Arsenic | 7.2 µg/L highest locational average Quarterly 2025; range ND–9.1; Pinal Valley supplier results | 2025View source ↗ | Below listed limit10 µg/L MCL |
| Nitrate as nitrogen | 1.09–9.37 mg/LQuarterly 2025 sample range; Pinal Valley supplier results | 2025View source ↗ | Maximum close to limit: 94%10 mg/L MCL |
| Total trihalomethanes | 4.3 µg/LLocal system September 2024 result | 2024View source ↗ | Below limit; older sample year80 µg/L MCL |
| Sodium | 140–290 mg/LJanuary / October 2025; Casa Grande West + Pinal Valley | 2025View source ↗ | No high/low rating assignedNo limit listed in report |
| PFBS | ND–91 ng/LAugust 2024 / February 2025 range; Pinal Valley supplier results | 2024 / 2025View source ↗ | Detected; no high/low rating assignedNo individual MCL listed in report |
In drinking water, ppm ≈ mg/L, ppb ≈ µg/L and ppt ≈ ng/L. Calculated hardness in grains per US gallon (gpg) = mg/L as CaCO₃ ÷ 17.118, rounded to one decimal. ND means below the reporting limit, not zero.
MCL is an enforceable contaminant limit; MRDL is a disinfectant limit. A secondary guideline concerns aesthetics. TTHM/HAA5 compliance uses locational running annual averages; read the utility’s notices as well as individual results.
PFAS results are compound-specific. Source monitoring, entry-point samples and tap tests are different. A detected result does not identify every PFAS compound or establish the level at your home. Read the original report for context and current utility notices. EPA PFAS benchmarks and implementation ↗
Choose the system size, keep useful existing equipment, and review your filtration goals.
Source water. Source blends and service areas can differ. Read the utility’s source-water description in the original report and confirm the system on your bill.
Selected results with the original sampling dates and measurement basis. Open the utility report for every parameter, notice and footnote.
Open the complete utility report ↗
| What was measured | Reported amount | Sample year / source date | How to read it |
|---|---|---|---|
| Hardness | 240 mg/L regional estimate MyTapWater shows a Pinal County USGS-based regional estimate of 240 mg/L as CaCO₃ (about 14 gpg), not a measurement from this utility or your tap. The 2025 utility report does not list hardness. Confirm incoming hardness before sizing or setting a softener. | Undated regional estimate; utility CCR: 2025View source ↗ | Very hard regional estimate |
| Chlorine | 1.6 mg/LAWC monthly 2025 average; range 1.51–1.66 | 2025View source ↗ | Below disinfectant benchmark4 mg/L MRDL |
| Fluoride | 0.72–0.87 mg/LAWC July 2024 sample range | 2024View source ↗ | Below limit; older sample year4 mg/L MCL |
| Arsenic | 5.7 µg/L2025 highest locational running annual average; range 1.4–5.7; AWC + AJWD | 2025View source ↗ | Below listed limit10 µg/L MCL |
| Nitrate as nitrogen | ND–1.59 mg/L2025 range; AWC + AJWD | 2025View source ↗ | Maximum below listed limit10 mg/L MCL |
| Total trihalomethanes | 16.1 µg/LAWC 2025 compliance value; range 0.5–26.2 | 2025View source ↗ | Below listed limit80 µg/L MCL |
| Haloacetic acids | 1.1 µg/LAWC 2025 compliance value; range ND–4.2 | 2025View source ↗ | Below listed limit60 µg/L MCL |
| Total chromium | 8.4–11 µg/LAWC May 2021 / July 2024 samples | 2021 / 2024View source ↗ | Below limit; older sample years100 µg/L MCL |
| Sodium | 160–180 mg/LAWC July 2024 range | 2024View source ↗ | No high/low rating assignedNo limit listed in report |
| Lithium | 733 µg/L average AWC June / December 2024; range 590–796 | 2024View source ↗ | Detected; no legal-limit ratingNo MCL listed in report |
In drinking water, ppm ≈ mg/L, ppb ≈ µg/L and ppt ≈ ng/L. Calculated hardness in grains per US gallon (gpg) = mg/L as CaCO₃ ÷ 17.118, rounded to one decimal. ND means below the reporting limit, not zero.
MCL is an enforceable contaminant limit; MRDL is a disinfectant limit. A secondary guideline concerns aesthetics. TTHM/HAA5 compliance uses locational running annual averages; read the utility’s notices as well as individual results.
PFAS results are compound-specific. Source monitoring, entry-point samples and tap tests are different. A detected result does not identify every PFAS compound or establish the level at your home. Read the original report for context and current utility notices. EPA PFAS benchmarks and implementation ↗
Choose the system size, keep useful existing equipment, and review your filtration goals.
Source water. Source blends and service areas can differ. Read the utility’s source-water description in the original report and confirm the system on your bill.
Selected results with the original sampling dates and measurement basis. Open the utility report for every parameter, notice and footnote.
Open the complete utility report ↗
| What was measured | Reported amount | Sample year / source date | How to read it |
|---|---|---|---|
| Hardness | Above 10.5 gpg — guidance The district’s undated hardness guide describes its blended supply as above 10.5 gpg. Its 232 mg/L (13.5 gpg) Well 5 reading is dated November 6, 2014; it is not a current system average. Test your incoming water for sizing. | Undated guidance; cited well sample: November 6, 2014View source ↗ | Very hard — utility guidance |
| Chlorine / chloramine | 0.93 mg/L2025 running annual average; range 0.82–0.93; combined report label | 2025View source ↗ | Below disinfectant benchmark4 mg/L MRDL |
| Fluoride | Not listed in this table 2025 report; no numeric result shown | 2025View source ↗ | Unknown is not zeroNo comparison possible |
| Arsenic | 2.9 µg/L2025 reported value; range 1.4–2.9 | 2025View source ↗ | Below listed limit10 µg/L MCL |
| Nitrate | 0–0.48 mg/L2025 range | 2025View source ↗ | Maximum below listed limit10 mg/L MCL |
| Total trihalomethanes | 75 µg/L; range 31.1–97.2 2025 summary value; separate Q2 violation notice | 2025View source ↗ | Violation notice reported — see context80 µg/L MCL; evaluated using LRAA |
| Haloacetic acids | 21 µg/L2025 reported value; range 14–28.9 | 2025View source ↗ | Below listed limit60 µg/L MCL |
| Chlorite | 0.98 mg/L2025 highest listed; range <0.02–0.98 | 2025View source ↗ | Close to limit; monitoring gap also reported1 mg/L MCL |
| Sodium | 100–110 mg/L2025 range | 2025View source ↗ | No high/low rating assignedNo limit listed in report |
| Selenium | 0–2.3 µg/L2025 range | 2025View source ↗ | Maximum below listed limit50 µg/L MCL |
In drinking water, ppm ≈ mg/L, ppb ≈ µg/L and ppt ≈ ng/L. Calculated hardness in grains per US gallon (gpg) = mg/L as CaCO₃ ÷ 17.118, rounded to one decimal. ND means below the reporting limit, not zero.
MCL is an enforceable contaminant limit; MRDL is a disinfectant limit. A secondary guideline concerns aesthetics. TTHM/HAA5 compliance uses locational running annual averages; read the utility’s notices as well as individual results.
PFAS results are compound-specific. Source monitoring, entry-point samples and tap tests are different. A detected result does not identify every PFAS compound or establish the level at your home. Read the original report for context and current utility notices. EPA PFAS benchmarks and implementation ↗
Choose the system size, keep useful existing equipment, and review your filtration goals.
Source water. Source blends and service areas can differ. Read the utility’s source-water description in the original report and confirm the system on your bill.
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More about your local water
Choose your utility. Keep each system’s results separate.
This guide covers the listed systems, not every Pinal County resident. Maricopa city, Florence, San Tan Valley, other utilities and private wells need their own reports. The 240 mg/L hardness figure shown for AWC systems is regional context, not a measured utility result. Confirm your provider and home hardness.
A useful local question
This guide covers the listed systems, not every Pinal County resident. Maricopa city, Florence, San Tan Valley, other utilities and private wells need their own reports. The 240 mg/L hardness figure shown for AWC systems is regional context, not a measured utility result. Confirm your provider and home hardness.
We keep each utility’s results separate, show the reported sample year, and distinguish averages, maxima and tap-sampling percentiles. Hardness classifications use USGS ranges. Missing data stays unknown.
The systems covered here publish separate reports. Use the official links to confirm your utility and system. If yours is not listed, choose Other / not sure.
Source checks: October 29–November 2, 2026. Layout updated November 4, 2026.
Your water → your home → your system
Choose the system size, keep useful existing equipment, and review your filtration goals.