Ohio

Water Quality in the State of Ohio

Ohio is located in the east Midwestern region of the United States and is the 7th most populous, with 11.69 million people. Ohio is the place where you can explore the Amish Country, visit the Rock and Roll Hall of Fame and the National Museum of the U.S. Air Force.

 

Ohio’s water supply comes from surface water and groundwater. Most of Ohio residents get their drinking water from surface water, like rivers and reservoirs. The city of Columbus water supply comes from three main reservoirs that provide 90% of the city’s water.

 

Water Hardness by City

Ohio water is considered hard to very hard. The average water hardness for the Ohio resident is around 155 PPM. The city with the hardest water is Dayton, at 362 PPM. The water for the city of Cleveland is 125 PPM, and the state capital Columbus, has 128 PPM which is considered hard according to  USGS water hardness measures.

 

For more information on water hardness in specific cities, please see the table below.

City and Zip Code

 

Hardness

 

Akron


44301 | 44302 | 44303 | 44304 | 44305 | 44306 | 44307 | 44308 | 44310 | 44311 | 44312 | 44313 | 44314 | 44319 | 44320 | 44321 | 44333

 

112 PPM (mg/L) or 6 gpg

Chillicothe


45601

 

140 PPM (mg/L) or 8 gpg

Cincinnati


45202 | 45203 | 45204 | 45205 | 45206 | 45207 | 45208 | 45209 | 45211 | 45212 | 45213 | 45214 | 45215 | 45216 | 45217 | 45218 | 45219 | 45220 | 45223 | 45224 | 45225 | 45226 | 45227 | 45229 | 45230 | 45231 | 45232 | 45233 | 45236 | 45237 | 45238 | 45239 | 45240 | 45241 | 45242 | 45243 | 45244 | 45245 | 45246 | 45247 | 45248 | 45249 | 45251 | 45252 | 45255

130 PPM (mg/L) or 8 gpg

Cleveland


44101 | 44102 | 44103 | 44104 | 44105 | 44106 | 44108 | 44109 | 44110 | 44111 | 44112 | 44113 | 44114 | 44115 | 44118 | 44119 | 44120 | 44121 | 44124 | 44125 | 44126 | 44127 | 44128 | 44129 | 44130 | 44134 | 44135 | 44143 | 44144

125 PPM (mg/L) or 7 gpg

Columbus


43085 | 43201 | 43202 | 43203 | 43204 | 43205 | 43206 | 43207 | 43209 | 43210 | 43211 | 43212 | 43213 | 43214 | 43215 | 43217 | 43219 | 43220 | 43221 | 43222 | 43223 | 43224 | 43227 | 43228 | 43229 | 43230 | 43231 | 43232 | 43235 | 43240

 

128 PPM (mg/L) or 7 gpg

Dayton


45402 | 45403 | 45404 | 45405 | 45406 | 45409 | 45410 | 45414 | 45415 | 45416 | 45417 | 45419 | 45420 | 45424 | 45426 | 45428 | 45429 | 45430 | 45431 | 45432 | 45433 | 45434 | 45439 | 45440 | 45449 | 45458 | 45459

362 PPM (mg/L) or 21 gpg

Delaware Ohio


43105

140 PPM (mg/L) or 8 gpg

Elyria


44035

120 PPM (mg/L) or 7 gpg

Grove City


43123

120 PPM (mg/L) or 7 gpg

Hamilton Ohio


45011 | 45013 | 45015

131 PPM (mg/L) or 7 gpg

Hilliard Ohio


43026

121 PPM (mg/L) or 7 gpg

Lancaster Ohio


43130

128 PPM (mg/L) or 7 gpg

Loveland Ohio


45140

 

342 PPM (mg/L) or 20 gpg

Mason Ohio


45040

171 PPM (mg/L) or 10 gpg

Mentor Ohio


44060

122 PPM (mg/L) or 7 gpg

Middletown Ohio


45044 | 45042

131 PPM (mg/L) or 7 gpg

Newark Ohio


43055

109 PPM (mg/L) or 6 gpg

Painesville Ohio


44077

 

122 PPM (mg/L) or 7 gpg

Reynoldsburg Ohio


43068

120 PPM (mg/L) or 7 gpg

Toledo


43604 | 43605 | 43606 | 43607 | 43608 | 43609 | 43610 | 43611 | 43612 | 43613 | 43614 | 43615 | 43617 | 43620 | 43623

74 PPM (mg/L) or 4 gpg

Westerville Ohio


43081 | 43082

122 PPM (mg/L) or  gpg
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PPM = Parts Per Million

mg/L = Milligrams Per Liter

gpg = Grains Per Gallon

 

Manufacturing and Water Hardness

Manufacturing is a major industry for Ohio with over 670 manufacturing companies. Ohio’s top manufacturing industries are food, beverage and tobacco products, motor vehicles and parts, aerospace and other transportation equipment, fabricated metals and more.

 

Product processing in most manufacturing plants requires water. Cooling towers and HVAC are imperative to keeping operations running smoothly. Water hardness levels in some manufacturing plants can be as high as 500 PPM; with water hardness levels this high, manufacturing equipment can deteriorate at a rapid pace and experience efficiency loss.

 

Solutions to your Water Quality Problems

Fixing your water quality issues in the state of Ohio will depend on your specific water source. It is best to test your potable water supply in order to get a better understanding of your water quality. Testing is relatively cheap. The test results will allow you to understand if your potable water has issues that need to be addressed. Common solutions to water contamination problems may include a water filtration system, a reverse osmosis system or other whole home water treatment solutions.

 

A problem that most Ohio residents will have to deal with is hard water. One old-fashioned, inefficient, expensive and unhealthy method to treat hard water is with a salt-based water softener. Most people don’t realize that if you’re using a water softener you are basically removing calcium and magnesium from your drinking water and adding salt to your diet. In addition, many states are banning the use of salt-based water softeners

 

Alternative water treatment solutions such as “water conditioners” have been gaining popularity in recent years because they are cheap to operate and the best eco-friendly solution for hard water. Hydropath technology, which powers the HydroFLOW water conditioners is by far the most efficient and cost-effective eco-friendly solution to deal with hard water problems. To learn more about how HydroFLOW solves the problems created by hard water, please check out our technology page. You might want to read this blog that explains the difference between water conditioners and water softeners: Water Conditioner vs. Water Softener Blog.