Water Hardness Map Illinois
Modified from briggs j c and ficke j f 1977 quality of rivers of the united states 1975 water year based on the national stream quality accounting network nasqan.
Water hardness map illinois. Water is carried into lake mead from the mineral dense colorado river resulting in 16 gpg of hard water for homes in the las vegas area. 2 click on a city to open a pop up box detailing its water hardness. Hard water map. Colors represent streamflow from the hydrologic unit area.
Very hard 10 gpg hard 7 10 5 gpg moderately hard 3 5 7 gpg slightly hard 3 5 7 gpg water problems. The average water hardness for the illinois resident is around 200 ppm which is extremely hard and can leave white deposits on your plumbing fixtures and cause damage to your water heaters. Residents may check the specific level of hardness on the water hardness map. Some of these records go back as far as the late 1800s.
Map edited by usepa 2005. Water hardness map of the united states water hardness table of classifications and links to more information about water softening and effects. 0 17 1 ppm. 3 click on an area without a city to open a pop up box detailing the average state water hardness.
This table is just for reference purposes only you should do a test to measure the water in your area for a more accurate result. The water hardness level in the table below is counted by parts per million ppm the water hardness levels are classified as below. Tap water tastes bad. Paper records are archived for over 700 000 wells.
Mean hardness as calcium carbonate at nasqan water monitoring sites during the 1975 water year. The following hard water map illustrates the varying zones of hardness across the usa. Whole house water. Very hard 180 or more ppm.
Water and related well data can be accessed for private water wells engineering. The highest reported water hardness numbers come from the city of rockford with 308 ppm. Iron in water rust stains. Slightly hard 17 1 60 ppm.
Illinois water well ilwater interactive map. How to use the interactive water hardness map. 4 click the arrow that is located at the top left corner of the map to zoom out. Water hardness map the city monitors the water hardness of its wells in order to help residents determine the proper settings for water softeners.
The isgs is an official repository for records of wells drilled in the state of illinois in our geoscience information stewardship section. Hard 120 180 ppm. Moderately hard 60 120 ppm.