Well water in Mount Pleasant township, Ohio
In Mount Pleasant township, 4% of 119 tested well samples exceeded the EPA limit for fluoride (4 mg/L), based on public data from USGS Water Quality Portal.
978 test results across 9 contaminants from at least 15 wells, 1976 to 1989; manganese has the most at 139. Data refreshed September 3, 2026.
Compiled by Nick at Well Water Nerd from public records. How these pages are built
What individual samples found
Each row summarizes every public sample for that contaminant inside Mount Pleasant township. Above limit means above the EPA maximum contaminant level; where EPA has no enforceable limit, the row shows a health guideline or nuisance level instead.
| Contaminant | Above limit | Samples | Detected | Median | Highest | Limit |
|---|---|---|---|---|---|---|
| Fluoride 1976 to 1984 | 119 | 99% | 0.2 | 5.5 | 4 mg/L EPA limit | |
| Lead 1976 to 1980 | 73 | 99% | 0 | 300 | 15 ug/L EPA limit | |
| Nitrate 1976 to 1983 | 94 | 96% | 0.235 | 11 | 10 mg/L EPA limit | |
| Arsenic 1976 to 1980 | 67 | 75% | 1 | 15 | 10 ug/L EPA limit | |
| Copper 1976 to 1980 | 70 | 79% | 0 | 0.05 | 1.3 mg/L EPA limit | |
| Manganese 1976 to 1989 | no limit | 139 | 99% | 200 | 10,000 | 300 ug/L health guideline |
| Chloride 1976 to 1989 | no limit | 139 | 100% | 23 | 5,600 | 250 mg/L nuisance level |
| Sodium 1976 to 1989 | no limit | 139 | 100% | 20 | 3,800 | 20 mg/L health guideline |
| Iron 1976 to 1989 | no limit | 138 | 100% | 1,300 | 210,000 | 300 ug/L nuisance level |
Closer than the town
See the sampled wells near your address
The same records, drawn around one point: which wells within a few miles were sampled and what they found, how deep the wells next to you were drilled, and any leaking tank or cleanup site within a mile.
Check my addressWhat this means
The contaminants most often above their limit here are fluoride (4% of 119 samples), lead (4% of 73 samples), and nitrate (3% of 94 samples). A well next door can differ sharply from yours because bedrock fractures, well depth and plumbing all matter, so these rates describe the area, not your tap.
Manganese, Chloride, and Iron are widespread in local groundwater. They are mainly a staining and taste problem, but high manganese also carries a health advisory for infants.
What to test for in Mount Pleasant township
- 1Fluoride4% of 119 local samples were above the limit.
- 2Lead4% of 73 local samples were above the limit.
- 3Nitrate3% of 94 local samples were above the limit.
- 4Arsenic1% of 67 local samples were above the limit.
- 5Coliform bacteriaRecommended for every private well, every year.
- 6ChlorideDetected in 100% of local samples.
- 7IronDetected in 100% of local samples.
- 8Volatile organic compounds (VOCs)4 leaking underground storage tank sites on record locally.
Test your Mount Pleasant township well for fluoride, lead and nitrate
Certified lab analysis of your own tap water, bottles and prepaid return shipping included. The Essential well panel covers arsenic, uranium, nitrate, lead, copper, manganese, iron, sodium and bacteria; radon and PFAS are add-ons.
Order the Tap Score well water test kit, from $209Already tested? Upload the report
Just want bacteria checked first? Tap Score coliform and E. coli test, $99. Coliform and E. coli are the tests every well needs every year.
Want a quick look before paying for a lab? Home well water test strips on Amazon check hardness, iron, pH and nitrate in minutes. They are a screen, not a result: arsenic, bacteria, uranium and PFAS need a certified lab.
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Where to get a well tested in Ohio: certified labs, state programs and prices.
Already have results back? Get your lab report read against the Mount Pleasant township numbers, $29. Every line explained, ranked by what matters, with the fix for each.
Wells in Mount Pleasant township
38 domestic wells in Mount Pleasant township are on record with the state since 1979. 100% are drilled into bedrock, and the typical well is 113 feet deep (one in ten goes past 165 feet).
In a typical Mount Pleasant township well, bedrock starts about 10 feet down, the median yield is 6 gallons per minute, 14% of wells yield under 3 gallons per minute and usually need a storage tank.
Bedrock wells are where arsenic, uranium and radon come from: the water sits in fractures in granite and metamorphic rock and picks up whatever the rock carries. That is why testing for those three matters more here than in a dug or gravel well.
Find your own well's report
The state keeps the driller's report for most wells drilled since 1984. It tells you how deep your well is, where bedrock starts, and how much water it makes, which decides what treatment can work.
- Open ODNR water well log search and choose Water Well.
- The log lists depth, depth to bedrock, casing, static water level, the pump test and the driller.
Ohio has required well logs since 1948, so most drilled wells have one.
The rock under Mount Pleasant township
Pennsylvanian aquifers
Sandstone. Sandstone wells draw from pore space in the rock and tend to be dependable. Iron, manganese and hardness are common, and some sandstones carry arsenic or radium, so a first test should include both.
Classification from the USGS Principal Aquifers of the United States (national map, 2003 edition, GIS release 2015), read at the town centroid. A single well can sit in a different unit, especially near a boundary.
Official help in Ohio
Two places to start that are not selling anything: the state program that answers private well questions, and its list of labs certified to run drinking water tests. A certified lab is the difference between a result you can act on and a number.
- Private Water Systems Program, Ohio Department of Health
- Laboratory Certification, Ohio EPA
Contamination sources on record in Mount Pleasant township
Ohio EPA records 4 leaking underground storage tank sites in Mount Pleasant township, among 4 regulated sites in total. Groundwater does not follow property lines, so a well within a few hundred feet of one of these is worth testing for what that site could release.
- 4
- leaking underground storage tank sitesGasoline and heating oil that leaked from tanks move through groundwater as benzene, MTBE and other volatile organic compounds.
Treatment that fits the local profile
Fluoride
Point-of-use reverse osmosis; Activated alumina; Distillation
Lead
Point-of-use reverse osmosis; Certified lead-removal carbon filter; Neutralizing filter to raise pH and stop leaching
Nitrate
Point-of-use reverse osmosis; Anion exchange; Distillation
Arsenic
Point-of-use reverse osmosis; Adsorptive media (iron-based) whole-house; Anion exchange
Iron
Oxidizing filter whole-house; Water softener (low levels); Aeration plus filtration
Systems we would look at first
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For fluoride
Under-sink reverse osmosis system
under-sink or countertop, about $300
Look for NSF/ANSI 58 certification listing the contaminant you need removed.
For fluoride
Aquasana SmartFlow reverse osmosis
under-sink or countertop, about $225
Certified to NSF/ANSI 58 and 53 to reduce arsenic (96%, pentavalent), fluoride (90%), lead (99%), nitrate, nitrite and PFOA/PFOS at the kitchen tap, with a remineralizer.
For lead
Aquasana Claryum 3-Stage under-sink filter
under-sink or countertop, about $175
Certified to NSF/ANSI 53 to reduce 99% of lead and 99.7% of PFOA and PFOS at the tap. Not a fix for arsenic, nitrate or bacteria.
For lead
Acid neutralizing filter
whole-house, at the point of entry, about $1,200
Raises pH so plumbing stops leaching lead and copper.
For arsenic
Whole-house arsenic and uranium filter
whole-house, at the point of entry, about $2,500
Adsorptive iron-based media; sized to your well yield.
For manganese
Iron and manganese oxidizing filter
whole-house, at the point of entry, about $1,800
Air-injection or greensand media; fixes staining at the source.
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Common questions
How deep are wells in Mount Pleasant township?
The typical domestic well in Mount Pleasant township is 113 feet deep, based on 38 wells reported to the state since 1979. One in ten is deeper than 165 feet. 100% are drilled into bedrock.
Is there arsenic in well water in Mount Pleasant township?
Arsenic was detected in 75% of 67 public well samples in Mount Pleasant township, and 1% were above the EPA limit of 10 ug/L. Arsenic has no taste or smell; a lab test is the only way to know your level.
How often should I test a private well in Mount Pleasant township?
Test for bacteria and nitrate every year. Test once for arsenic, uranium, radon, fluoride, manganese and PFAS, then again every three to five years or after any change in taste, color, or plumbing.
Want the numbers themselves? Download the Ohio dataset as CSV, every county and town, with the sources named.
Sources
- USGS Water Quality Portal: 978 samples in Mount Pleasant township. Data from the Water Quality Portal, a service of USGS, EPA and USDA; groundwater samples collected by USGS and cooperators. Retrieved September 3, 2026.
- Ohio DNR water well logs: 133 well records in Mount Pleasant township, 38 domestic. Water well logs filed with the Ohio Department of Natural Resources Division of Water Resources since 1948. Only aggregates are shown; owner names and addresses are never stored. Retrieved September 17, 2026.
- Ohio EPA regulated sites: 4 regulated sites located in Mount Pleasant township. Remediation sites, leaking underground storage tank releases (BUSTR) and landfills from the Ohio Environmental Protection Agency and the Division of State Fire Marshal. Retrieved September 17, 2026.
Non-detects count as samples and are treated as zero when computing medians. Exactly at the limit counts as not above it. A sample belongs to the town containing the well's reported coordinates.