City water profile

Water hardness in Sherman

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

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.

City Of Sherman

TX0910006 · Surface water · 43,645 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, 2023 to Dec 31, 2025

Violation history (20)

Imported violation history for City Of Sherman
Rule	Status	Period
Interim Enhanced Surface Water Treatment Rule	Resolved	Feb 1, 2021 to Feb 28, 2021
Interim Enhanced Surface Water Treatment Rule	Resolved	Feb 1, 2021 to Feb 28, 2021
Interim Enhanced Surface Water Treatment Rule	Resolved	Feb 1, 2021 to Feb 28, 2021
Surface Water Treatment Rule	Resolved	Feb 1, 2021 to Feb 28, 2021
Surface Water Treatment Rule	Resolved	Feb 1, 2021 to Feb 28, 2021
Surface Water Treatment Rule	Resolved	Feb 1, 2021 to Feb 28, 2021
Aldicarb sulfoxide	Archived	Jan 1, 2021 to Dec 31, 2023
2,4-D	Archived	Jan 1, 2021 to Dec 31, 2023
Fluoride	Archived	Jan 1, 2021 to Dec 31, 2023
2,4,5-TP	Archived	Jan 1, 2021 to Dec 31, 2023
Dinoseb	Archived	Jan 1, 2021 to Dec 31, 2023
Dalapon	Archived	Jan 1, 2021 to Dec 31, 2023
Aldicarb	Archived	Jan 1, 2021 to Dec 31, 2023
Picloram	Archived	Jan 1, 2021 to Dec 31, 2023
ETHYLENE DIBROMIDE	Archived	Jan 1, 2021 to Dec 31, 2023
Aldicarb sulfone	Archived	Jan 1, 2021 to Dec 31, 2023
1,2-DIBROMO-3-CHLOROPROPANE	Archived	Jan 1, 2021 to Dec 31, 2023
OXAMYL	Archived	Jan 1, 2021 to Dec 31, 2023
Carbofuran	Archived	Jan 1, 2021 to Dec 31, 2023
CYANIDE	Archived	Jan 1, 2021 to Dec 31, 2023

City summary

What the indexed records say

Sherman has 2 published ZIP profiles across Grayson County. The regional-evidence median is 144 PPM. The city does not meet the stricter comparison standard.

The 105.5–183.1 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard1 ZIP

Hard0 ZIPs

Very hard1 ZIP

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 17.3 miles
Profiles with evidence: 2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Aug 27, 2018 to May 20, 2026.

ZIP directory

Water reports in Sherman

Open a ZIP for site-level provenance and measurements.

ZIP code

75090

Very Hard

183.1 PPM

Nearest site: 17.3 mi
Confidence: Moderate

View full ZIP evidence →

ZIP code

75092

Moderately Hard

105.5 PPM

Nearest site: 10.3 mi
Confidence: Moderate

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 Texas communities

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Grayson County

34 PPM median

Collinsville

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6 PPM median

Denison

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286 PPM median

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Van Alstyne

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102 PPM median

Whitesboro

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6 PPM median

Search all 529 Texas cities →

Questions people ask

About water in Sherman

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.