Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 653 - DESIGN, OPERATION AND MAINTENANCE CRITERIA
Subpart A - DESIGN REQUIREMENTS
Section 653.118 - Protection of Community Water Supply Structures
Current through Register Vol. 48, No. 38, September 20, 2024
a) Information defining the location of the proposed raw water source shall be submitted.
b) The area of the site shall be sufficient to prevent adjacent structures from impairing the safety of the supply.
c) The following items shall be taken into consideration to protect water supplies from the entrance of contamination:
Table A - MINIMUM DISTANCES FROM SOURCES OF POLLUTION
FOR CLAY OR LOAN SOILS
Cesspools, leaching sewage disposal pits................ |
150' |
Privies...................................................................... |
150' |
Septic tanks and subsurface septic tanks effluent disposal title......................................................... |
75' |
Livestock, grazing areas or feedlots........................ |
50' |
Sewers (non-watertight).......................................... |
50' |
Sewers (cast iron pipe, with leaded or mechanical joints)................................................................... |
25' |
Sewers (extra-heavy cast iron pipe, asbestos-cement pressure pipe prestressed concrete pipe, or PVC pipe meeting water main standards, with pressure tested, leaded, mechanical or slip-on joints.................................................................... |
10' |
Washwater sumps of reinforced concrete construction......................................................... |
10' |
Flood waters - A horizontal distance shall be maintained by natural earth or fill. In addition, wells shall have six inch concrete envelope completely surrounding the regular casing and extending at least 10 feet below original ground surface.................................................................. |
15'* |
Flood waters - A vertical distance shall be maintained to which structure and earth protection must be carried above maximum high water elevation..................................................... |
2' |
* The Agency shall consider special structural arrangements equivalent to earthen construction for protection of the well when horizontal earth protection is impractical. |
d) Community water supplies having fuel storage tanks shall provide protection of all underground water works facilities from leaks which may develop or occur in the fuel tanks or fuel lines.