Trotwood Tap Water Quality Report
Trotwood's water has 3 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
No single water system serves most of Trotwood (23,073 residents, Census 2024 estimate). Its large systems are TROTWOOD CITY PWS (EPA counts 9,000 people served, about 39% of Trotwood's population); MONTGOMERY COUNTY WATER SERVICES 1 PWS (EPA counts 148,312 people served, more than Trotwood's population); DAYTON PUBLIC WATER SYSTEM (EPA counts 140,407 people served, more than Trotwood's population); MONTGOMERY COUNTY WATER SERVICES 2 PWS (EPA counts 82,784 people served, more than Trotwood's population). EPA's counts may include people served outside Trotwood, so each share is at most that. Check which one bills you: each system's figures are shown separately below.
- TROTWOOD CITY PWS: 40 contaminants tested, 3 above EPA MCLGs; health-based violations since 2020: 0
- MONTGOMERY COUNTY WATER SERVICES 1 PWS: 39 contaminants tested, 3 above EPA MCLGs and 2 above EPA's legal limit (MCL); health-based violations since 2020: 0
- DAYTON PUBLIC WATER SYSTEM: 138 contaminants tested, 3 above EPA MCLGs and 1 above EPA's legal limit (MCL); health-based violations since 2020: 0
- MONTGOMERY COUNTY WATER SERVICES 2 PWS: 39 contaminants tested, 3 above EPA MCLGs and 1 above EPA's legal limit (MCL); health-based violations since 2020: 0
Other systems listed for Trotwood with results above guidelines: MONTGOMERY COUNTY WATER SERVICES 2 PWS (4 above guidelines), DAYTON PUBLIC WATER SYSTEM (4 above guidelines), MONTGOMERY COUNTY WATER SERVICES 1 PWS (5 above guidelines), DAYTON VA BLDG 410 (5 above guidelines)
Water systems
4 large systems
Residents (Census 2024)
23,073
Health-based violations since 2020
0
TROTWOOD CITY PWS. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Nov 2024 ยท TROTWOOD CITY PWS
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Trotwood Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Trotwood's water has 3 contaminants above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
TROTWOOD CITY PWS, Trotwood's water system, serves 9,000 people. 4 other systems are listed for Trotwood. Each system's results are listed under its own name, never added to TROTWOOD CITY PWS's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for TROTWOOD CITY PWS is from Nov 2024.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Ohio
Trotwood Water Service Areas

What these numbers actually mean for Trotwood, OH
We read Trotwood, OHโs published record and send you a short report โ which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 3 contaminants above EPA MCLGs and 2 contaminants with an EPA health goal detected in some samples (no level on file)
- 38 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Fluoride in Trotwood's water
MONTGOMERY COUNTY WATER SERVICES 1 PWS
PWSID OH5701315
No fluoride level in our data for MONTGOMERY COUNTY WATER SERVICES 1 PWS. Your utility's annual water quality report (CCR) lists it.
DAYTON PUBLIC WATER SYSTEM
PWSID OH5703512
DAYTON PUBLIC WATER SYSTEM reported 0.913 mg/L, at or above the 0.7 mg/L U.S. Public Health Service recommendation and below the 1.5 mg/L WHO guideline value and NTP neurodevelopment review level.
MONTGOMERY COUNTY WATER SERVICES 2 PWS
PWSID OH5701503
No fluoride level in our data for MONTGOMERY COUNTY WATER SERVICES 2 PWS. Your utility's annual water quality report (CCR) lists it.
TROTWOOD CITY PWS
PWSID OH5702403
No fluoride level in our data for TROTWOOD CITY PWS. Your utility's annual water quality report (CCR) lists it.
DAYTON VA BLDG 410
PWSID OH5750618
No fluoride level in our data for DAYTON VA BLDG 410. Your utility's annual water quality report (CCR) lists it.
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Recommended Water Filters for Trotwood
Based on Trotwood's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium

Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with โnormalโ faster faucet flow
Removes 1 contaminants:

Waterdrop
A1
NSF Certified:
Flow Rate
1 gpm
Highlights:
- Performance certified
- Lower price than Philips
- Hot water dispensing
- Compact design
Removes 5 contaminants:

Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA MCLGs and 2 contaminants with an EPA health goal detected in some samples (no level on file), independent laboratory testing provides a second opinion and can track changes over time.

SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
With 3 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
On a private well near Trotwood? Public-water results do not apply to private wells. See Montgomery County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Frequently Asked Questions About Trotwood Tap Water
Trotwood's water has 3 contaminants above EPA MCLGs. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach TROTWOOD CITY PWS. For a problem with your water now (discolored water, no water, low pressure, a leak), contact TROTWOOD CITY PWS directly.
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