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City water profile

Water hardness in Chandler

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

Utility-reported hardness

Not yet available

Check your provider and source →
State comparison
Unavailable
Evidence comparison rank
—
Matched utilities
1
Active health records
1

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.

Chandler

OK1020702 · Surface water · 3,142 people served system-wide

A municipal system, in-state city, and served county all agree with this Census ZCTA.

1 reported active health-based record(s) for this system

Find this utility’s official report →
Measurements (2)

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
0.0022 mg/L
Action level
0.015 mg/L

15% of the listed benchmark

Monitoring period: Jul 1, 2024 to Dec 31, 2024

TTHM

EPA SDWIS reported health-based violation

Reported violation
Reported level
0.09 MG/L
Maximum contaminant level
0.08 MG/L

113% of the listed benchmark

Monitoring period: Jan 1, 2023 to Mar 31, 2023

Violation history (16)
Imported violation history for Chandler
RuleStatusPeriod
TTHMUnaddressedDec 30, 2025
TTHMResolvedApr 1, 2025 to Jun 4, 2025
LEAD AND COPPER RULE REVISIONSHealth-basedAddressedOct 17, 2024
LEAD AND COPPER RULE REVISIONSAddressedOct 17, 2024
TTHMHealth-basedResolvedJan 1, 2023 to Mar 31, 2023
TTHMHealth-basedResolvedJan 1, 2023 to Mar 31, 2023
Lead and Copper RuleResolvedJan 1, 2023 to Jan 17, 2023
TTHMHealth-basedResolvedOct 1, 2022 to Dec 31, 2022
TTHMHealth-basedResolvedOct 1, 2022 to Dec 31, 2022
Total Haloacetic Acids (HAA5)ResolvedSep 29, 2022 to Dec 13, 2022
TTHMResolvedSep 29, 2022 to Dec 13, 2022
TTHMHealth-basedResolvedJul 1, 2022 to Sep 30, 2022
TTHMHealth-basedResolvedJul 1, 2022 to Sep 30, 2022
TTHMHealth-basedResolvedApr 1, 2022 to Jun 30, 2022
TTHMHealth-basedResolvedApr 1, 2022 to Jun 30, 2022
Lead and Copper RuleResolvedJan 1, 2022 to Jan 17, 2023

City summary

What the indexed records say

Chandler has 1 published ZIP profile across Lincoln County. The regional-evidence median is 210 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
Hard0 ZIPs
Very hard1 ZIP

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
22.3 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: May 13, 2026 to May 13, 2026.

ZIP directory

Water reports in Chandler

Open a ZIP for site-level provenance and measurements.

ZIP code

74834

Very Hard

210 PPM

Nearest site
22.3 mi
Confidence
Low

View full ZIP evidence →

Practical next steps

Move from index to evidence

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

Questions people ask

About water in Chandler

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.