Chicago Water Hardness

This is our annual consumer confidence report providing the public with a compressive overview of the chicago water system and an annual average water quality data.

Chicago water hardness.

Quoted text here doesn t chicago water come from the lake. The collection of data for the preceding year begins in january it is analyzed and. In terms of milligrams per liter mg l of calcium carbonate or in terms of grains per gallon gpg. The safety and quality of chicago s tap water is our top priority.

Water meter questions are answered and water meters requested. The groundwater in northern illinois and chicago contain especially high levels of calcium carbonate in the range of 181 to 250 milligrams per liter. Customers will only be charged for the water used and the total annual water bills are guaranteed not to be any higher that the normal assessed rate for seven years. We take water quality very seriously.

Historically there have been multiple equivalent ways to measure hardness. These are naturally occurring minerals that the water picks up as it flows over rocks and sediment along the lake. When it comes to complying with strict federal regulations for delivering clean quality drinking water we ve consistently scored among the highest of all water companies. If it does it s soft.

Hard water is perfectly safe for human consumption it simply contains high levels of mineral content. For gas water heaters every 5 grains per gallon of hardness causes an 8 percent loss in efficiency and an 8 percent increase in cost when using 100 gallons of hot water per day. Chicago water typically ranges from 130 to 150 mg l of calcium carbonate or 7 6 to 8 8 grains per gallon. We provide our water quality reports also called consumer confidence reports to our customers annually.

Metersave is a program in chicago allowing customers with assessed water accounts to have a water meter installed in there single family homes or two flats. According to the usgs the great lakes region has some of the hardest water in the u s. On fri 10 nov 2006 16 07 13 gmt ajanta wrote.