About The Illinois State Water Survey

Illinois Water Inventory Program

Features of the Wells and Intakes Listing

Your facility may have one or more wells or surface water intakes listed on the first page of the Water Inventory form. On the other hand, there may be no wells or intakes listed, or all of the sources may be sealed or unused. However, we are just as interested in the amount of water you purchase. Please indicate the amount you purchased in the second part of the Water Inventory form, which addresses water use.

Explanation of Terms

Well/IntakeEach well or surface water intake is listed in this column by number and sometimes by a "pet name," local name, or EPA number. If there is a combination of wells and intakes, the intakes are numbered starting with 1 after the well listings. Intakes will also not have a depth listed.
StatusThe status or condition of the well. The most common categories include In-Use, Unused, Emergency, Proposed, Disconnected, Capped, Abandoned, and Sealed. Wells are marked Abandoned until a formal sealing form is submitted.
TwnTownship in Public Land Survey System used to locate well or intake.
RngRange in Public Land Survey System used to locate well or intake.
SecSection in Public Land Survey System used to locate well or intake. May include 10-acre plot designation (1A, 2B, etc.).
DepthDepth of well. Surface water intakes do not have a depth associated with them.
Max DayMaximum Daily Pumpage: This figure pertains only to public water systems and is the greatest daily pumpage or withdrawal from the entire system for the whole year. It is also known as maximum day demand, and relates to the capacity of the system.
Total AnnualThis figure is the total number of gallons pumped from a well or surface water intake for the entire year.

Illinois State Water Survey

2204 Griffith Dr., MC-674
Champaign, IL 61820-7463
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