Hardness
Hard to very hard173–288mg/L
2025 report range, 173–288 mg/L. Use a current incoming-water test for softener settings.
USGS: hard >120; very hard >180 mg/L as CaCO₃
2025View source
- 1Your water
- 2Your home
- 3Your system
Chandler water quality report
Showing utility report
City of Chandler
2025 report; sample dates vary
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Your water at a glance
See the amount, the comparison and what it means. “Below” refers to the stated benchmark, not zero risk.
Chlorine
Below disinfectant limit0.93mg/L
Running annual average · 2025; range 0.23–2.17
4 mg/L MRDL
2025View source
Fluoride
Below listed limit0.15–1.5mg/L
Sample range · 2025
4 mg/L MCL
2025View source
Arsenic
Below but close to limit; 95%9.50µg/L
Highest level · 2025; range 1.40–9.50
10 µg/L MCL
2025View source
Total trihalomethanes
Below listed limit59µg/L
Reported running annual average · 2025; range 2.3–77
80 µg/L MCL
2025View source
Haloacetic acids
Below listed limit12.28µg/L
Reported running annual average · 2025; range <2–15
60 µg/L MCL
2025View source
Nitrate
Below listed limit6.8mg/L
Highest level · 2025; range 0.26–6.8
10 mg/L MCL
2025View source
Iron
Below aesthetic guideline0.04–0.19mg/L
Range in 2025 report
0.3 mg/L secondary guideline
2025View source
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The numbers behind your report
Selected results with the original sampling dates and measurement basis. Open the utility report for every parameter, notice and footnote.
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| What was measured | Reported amount | Sample year / source date | How to read it |
|---|---|---|---|
| Hardness | 173–288 mg/L 2025 report range, 173–288 mg/L. Use a current incoming-water test for softener settings. | 2025View source ↗ | Hard to very hard |
| Chlorine | 0.93 mg/LRunning annual average · 2025; range 0.23–2.17 | 2025View source ↗ | Below disinfectant limit4 mg/L MRDL |
| Fluoride | 0.15–1.5 mg/LSample range · 2025 | 2025View source ↗ | Below listed limit4 mg/L MCL |
| Arsenic | 9.50 µg/LHighest level · 2025; range 1.40–9.50 | 2025View source ↗ | Below but close to limit; 95%10 µg/L MCL |
| Total trihalomethanes | 59 µg/LReported running annual average · 2025; range 2.3–77 | 2025View source ↗ | Below listed limit80 µg/L MCL |
| Haloacetic acids | 12.28 µg/LReported running annual average · 2025; range <2–15 | 2025View source ↗ | Below listed limit60 µg/L MCL |
| Nitrate | 6.8 mg/LHighest level · 2025; range 0.26–6.8 | 2025View source ↗ | Below listed limit10 mg/L MCL |
| Iron | 0.04–0.19 mg/LRange in 2025 report | 2025View source ↗ | Below aesthetic guideline0.3 mg/L secondary guideline |
| pH | 7.2–8.1 Range in 2025 report | 2025View source ↗ | Within aesthetic range6.5–8.5 secondary guideline |
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 ↗
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More about your local water
What this means for your home
Hard to very hard. Match treatment to your goals.
Use the City of Chandler main-system tables for these results. The report includes a separate SunBird Golf Resort table; its figures should not be mixed into the city results shown here. Seasonal source changes can affect taste and hardness.
A useful local question
Does this report describe every home in Chandler?
Use the City of Chandler main-system tables for these results. The report includes a separate SunBird Golf Resort table; its figures should not be mixed into the city results shown here. Seasonal source changes can affect taste and hardness.
Sources and methodology
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.
- City of Chandler ↗2025 report; sample dates vary
- USGS hardness classification
- EPA PFAS benchmarks and implementation
Source checks: October 29–November 2, 2026. Layout updated November 4, 2026.
Your water → your home → your system
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