City water profile

Water hardness in Lone Grove

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

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 1
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.

Lone Grove

OK2001007 · Groundwater · 4,863 people served system-wide

A municipal system, in-state city, and served county all agree with this Census 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 (11)

Imported violation history for Lone Grove
Rule	Status	Period
E. COLI	Unaddressed	Feb 17, 2026
E. COLI	Unaddressed	Feb 17, 2026
LEAD AND COPPER RULE REVISIONSHealth-based	Resolved	Oct 17, 2024 to Jul 15, 2025
LEAD AND COPPER RULE REVISIONS	Resolved	Oct 17, 2024 to Jul 15, 2025
Revised Total Coliform Rule	Resolved	Sep 1, 2023 to Sep 30, 2023
Chlorine	Resolved	Jul 1, 2023 to Sep 30, 2023
Glyphosate	Resolved	Jul 1, 2023 to Sep 30, 2023
Combined Uranium	Archived	Jan 1, 2023 to Dec 31, 2025
Combined Radium (-226 and -228)	Archived	Jan 1, 2023 to Dec 31, 2025
Gross Beta Particle Activity	Archived	Jan 1, 2023 to Dec 31, 2025
Gross Alpha, Excl. Radon and U	Archived	Jan 1, 2023 to Dec 31, 2025

City summary

What the indexed records say

Lone Grove has 1 published ZIP profile across Carter County. No qualifying nearby hardness observation is available for the city.

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.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard0 ZIPs

0 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: — miles
Profiles with evidence: 0/1

Confidence labels

High: 0Moderate: 0Low: 0

Observation window: unavailable to unavailable.

ZIP directory

Water reports in Lone Grove

Open a ZIP for site-level provenance and measurements.

ZIP code

73443

No estimate

—

Nearest site: — mi
Confidence: —

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

Other Oklahoma communities

Ardmore

Carter County

419 PPM median

Healdton

Carter County

— No median

Wilson

Carter County

— No median

Ada

Pontotoc County

305 PPM median

Arkoma

Le Flore County

46 PPM median

Beaver

Beaver County

293 PPM median

Search all 108 Oklahoma cities →

Questions people ask

About water in Lone Grove

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.