City water profile

Water hardness in Trotwood

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

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.

Trotwood City Pws

OH5702403 · Surface water · 9,000 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 (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 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2025 to Dec 31, 2025

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level

Reported level: 49.1 mg/L
Action level: 1.3 mg/L

3777% of the listed benchmark

Monitoring period: Jun 1, 2005 to Sep 30, 2005

Violation history (7)

Imported violation history for Trotwood City Pws
Rule	Status	Period
Consumer Confidence Rule	Unaddressed	Jan 6, 2026
LEAD AND COPPER RULE REVISIONS	Resolved	Jul 2, 2025 to Dec 10, 2025
Consumer Confidence Rule	Unaddressed	Dec 20, 2024
Consumer Confidence Rule	Resolved	Nov 15, 2021 to Jun 28, 2022
Consumer Confidence Rule	Unaddressed	Oct 21, 2020
Consumer Confidence Rule	Unaddressed	Feb 5, 2020
Consumer Confidence Rule	Unaddressed	Nov 29, 2018

City summary

What the indexed records say

Trotwood has 2 published ZIP profiles across Montgomery County. The regional-evidence median is 336 PPM. The city does not meet the stricter comparison standard.

The 336–336 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard2 ZIPs

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: 8.3 miles
Profiles with evidence: 2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Aug 27, 2018 to Sep 27, 2023.

ZIP directory

Water reports in Trotwood

Open a ZIP for site-level provenance and measurements.

ZIP code

45416

Very Hard

336 PPM

Nearest site: 5.6 mi
Confidence: Moderate

View full ZIP evidence →

ZIP code

45426

Very Hard

336 PPM

Nearest site: 8.3 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 Ohio communities

Brookville

Montgomery County

336 PPM median

Germantown

Montgomery County

380 PPM median

Miamisburg

Montgomery County

384 PPM median

Oakwood

Montgomery County

387 PPM median

Milford

Clermont County

337 PPM median

Barnesville

Belmont County

340 PPM median

Search all 119 Ohio cities →

Questions people ask

About water in Trotwood

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.