City water profile

Water hardness in Tooele

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

Utility-reported hardness

Not yet available

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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.

Tooele City Water System

UTAH23004 · Groundwater · 37,100 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: 0.0026 mg/L
Action level: 0.015 mg/L

17% of the listed benchmark

Monitoring period: Jan 1, 2021 to Dec 31, 2023

Violation history (51)

Imported violation history for Tooele City Water System
Rule	Status	Period
Endrin	Resolved	Jul 1, 2024 to Sep 30, 2024
Methoxychlor	Resolved	Jul 1, 2024 to Sep 30, 2024
Toxaphene	Resolved	Jul 1, 2024 to Sep 30, 2024
OXAMYL	Resolved	Jul 1, 2024 to Sep 30, 2024
Simazine	Resolved	Jul 1, 2024 to Sep 30, 2024
Picloram	Resolved	Jul 1, 2024 to Sep 30, 2024
Hexachlorocyclopentadiene	Resolved	Jul 1, 2024 to Sep 30, 2024
Carbofuran	Resolved	Jul 1, 2024 to Sep 30, 2024
Atrazine	Resolved	Jul 1, 2024 to Sep 30, 2024
Heptachlor epoxide	Resolved	Jul 1, 2024 to Sep 30, 2024
2,4-D	Resolved	Jul 1, 2024 to Sep 30, 2024
Benzo(a)pyrene	Resolved	Jul 1, 2024 to Sep 30, 2024
Chlordane	Resolved	Jul 1, 2024 to Sep 30, 2024
Dalapon	Resolved	Jul 1, 2024 to Sep 30, 2024
Di(2-ethylhexyl) adipate	Resolved	Jul 1, 2024 to Sep 30, 2024
OXAMYL	Resolved	Jul 1, 2024 to Sep 30, 2024
Picloram	Resolved	Jul 1, 2024 to Sep 30, 2024
Carbofuran	Resolved	Jul 1, 2024 to Sep 30, 2024
2,4,5-TP	Resolved	Jul 1, 2024 to Sep 30, 2024
HEXACHLOROBENZENE	Resolved	Jul 1, 2024 to Sep 30, 2024
Total Polychlorinated Biphenyls (PCB)	Resolved	Jul 1, 2024 to Sep 30, 2024
Chlordane	Resolved	Jul 1, 2024 to Sep 30, 2024
Gross Alpha, Excl. Radon and U	Resolved	Jul 1, 2024 to Sep 30, 2024
Radium-226	Resolved	Jul 1, 2024 to Sep 30, 2024
LASSO	Resolved	Jul 1, 2024 to Sep 30, 2024
Pentachlorophenol	Resolved	Jul 1, 2024 to Sep 30, 2024
Radium-228	Resolved	Jul 1, 2024 to Sep 30, 2024
Heptachlor	Resolved	Jul 1, 2024 to Sep 30, 2024
Pentachlorophenol	Resolved	Jul 1, 2024 to Sep 30, 2024
Atrazine	Resolved	Jul 1, 2024 to Sep 30, 2024
LASSO	Resolved	Jul 1, 2024 to Sep 30, 2024
Toxaphene	Resolved	Jul 1, 2024 to Sep 30, 2024
BHC-GAMMA	Resolved	Jul 1, 2024 to Sep 30, 2024
HEXACHLOROBENZENE	Resolved	Jul 1, 2024 to Sep 30, 2024
Di(2-ethylhexyl) adipate	Resolved	Jul 1, 2024 to Sep 30, 2024
Dinoseb	Resolved	Jul 1, 2024 to Sep 30, 2024
Heptachlor epoxide	Resolved	Jul 1, 2024 to Sep 30, 2024
Benzo(a)pyrene	Resolved	Jul 1, 2024 to Sep 30, 2024
Heptachlor	Resolved	Jul 1, 2024 to Sep 30, 2024
Di(2-ethylhexyl) phthalate	Resolved	Jul 1, 2024 to Sep 30, 2024
Endrin	Resolved	Jul 1, 2024 to Sep 30, 2024
Hexachlorocyclopentadiene	Resolved	Jul 1, 2024 to Sep 30, 2024
BHC-GAMMA	Resolved	Jul 1, 2024 to Sep 30, 2024
Total Polychlorinated Biphenyls (PCB)	Resolved	Jul 1, 2024 to Sep 30, 2024
Simazine	Resolved	Jul 1, 2024 to Sep 30, 2024
2,4,5-TP	Resolved	Jul 1, 2024 to Sep 30, 2024
Dalapon	Resolved	Jul 1, 2024 to Sep 30, 2024
Di(2-ethylhexyl) phthalate	Resolved	Jul 1, 2024 to Sep 30, 2024
2,4-D	Resolved	Jul 1, 2024 to Sep 30, 2024
Methoxychlor	Resolved	Jul 1, 2024 to Sep 30, 2024
Dinoseb	Resolved	Jul 1, 2024 to Sep 30, 2024

City summary

What the indexed records say

Tooele has 1 published ZIP profile across Tooele County. The regional-evidence median is 367 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.

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: 1.4 miles
Profiles with evidence: 1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 25, 2016 to Dec 8, 2021.

ZIP directory

Water reports in Tooele

Open a ZIP for site-level provenance and measurements.

ZIP code

84074

Very Hard

366.5 PPM

Nearest site: 1.4 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 Utah communities

Grantsville

Tooele County

287 PPM median

Wendover

Tooele County

— No median

Kanab

Kane County

367 PPM median

North Salt Lake

Davis County

365 PPM median

Gunnison

Sanpete County

364 PPM median

South Jordan

Salt Lake County

372 PPM median

Search all 55 Utah cities →

Questions people ask

About water in Tooele

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.