Illinois Administrative Code
Title 77 - PUBLIC HEALTH
Part 920 - WATER WELL CONSTRUCTION CODE
- Section 920.10 - Definitions
- Section 920.15 - Incorporated and Referenced Materials
- Section 920.20 - Scope
- Section 920.30 - General Requirements
- Section 920.40 - Design Factors
- Section 920.50 - Location
- Section 920.60 - Drilled Wells in Unconsolidated Formations
- Section 920.70 - Drilled Well Construction in Consolidated Formations
- Section 920.80 - Special Type Wells
- Section 920.90 - Construction Materials and Other Requirements
- Section 920.100 - Finishing and Testing
- Section 920.110 - Non-Compliant Existing Wells
- Section 920.120 - Abandoned Wells
- Section 920.130 - Water Well Permit Requirements
- Section 920.140 - Administrative Hearings
- Section 920.150 - Designation of Agents of the Department
- Section 920.160 - Issuance of Water Well and Closed Loop Well Permits by Units of Local Government or Local Health Departments
- Section 920.170 - Monitoring Wells
- Section 920.180 - Closed Loop Wells
- Section 920.190 - Assurance of Potable Water Supply
- Section 920.200 - Closed Loop Well System Permit Requirements
- Section 920.210 - Examination for Closed Loop Well Contractor Certification and Fees
- Section 920.220 - Closed Loop Contractor Registration, Renewal and Fees
- Section 920.230 - Registered Closed Loop Well Contractor Responsibility
- Section 920.240 - Closed Loop Well Continuing Education Sessions
- Section 920.250 - Approval of Closed Loop Well Third Party Organizations
- ILLUSTRATION A - Unconsolidated Formations: Oversized Drill Hole
- ILLUSTRATION B - Unconsolidated Formations: Mechanically Driven Casing
- ILLUSTRATION C - Gravel Pack Construction
- ILLUSTRATION D - Creviced Formations: Earth Cover Less Than 30 Feet Thick
- ILLUSTRATION E - Creviced Formations: Earth Mantle Cover Over 30 Feet Thick - Oversized Drill Hole
- ILLUSTRATION F - Creviced Formations: Earth Cover Over 30 Feet Thick - Mechanically Driven Casing
- ILLUSTRATION G - Bored or Dug Well - Well Not Finished With Buried Slab
- ILLUSTRATION H - Bored or Dug Well - Buried Slab Construction
- ILLUSTRATION I - Installation of a Driven Well
- ILLUSTRATION J - Sealing an Abandoned Well - Extending into a Creviced Formation
- ILLUSTRATION K - Sealing an Abandoned Dug or Bored Well
- ILLUSTRATION L - Sealing an Abandoned Well Extending into More Than One Water Bearing Formation
- ILLUSTRATION M - Sealing an Abandoned Buried Slab Bored Well
- Table A - Steel Casing and Liner Pipe Weights and Dimensions
- Table B - Plastic Casing and Liner Pipe Specifications
- Table C - Minimal Lateral Distances in Feet Between Water Wells, Closed-Loop Wells, and Sources of Contamination
Adopted September 12, 1973; amended at 2 Ill. Reg. 42, p.35, effective October 16, 1978; rules repealed, new rules adopted and codified at 7 Ill. Reg. 9633, effective August 1, 1983; amended at 12 Ill. Reg. 2990, effective January 13, 1988; amended at 13 Ill. Reg. 11796, effective July 1, 1989; amended at 14 Ill. Reg. 228, effective January 1, 1990; amended at 14 Ill. Reg. 14871, effective September 1, 1990; amended at 15 Ill. Reg. 18188, effective January 1, 1992; amended at 18 Ill. Reg. 17684, effective November 30, 1994; amended at 22 Ill. Reg. 3973, effective April 1, 1998; amended at 24 Ill. Reg. 11934, effective August 1, 2000; amended at 37 Ill. Reg. 19676, effective November 25, 2013.
Amended at 39 Ill. Reg. 3992, effective 3/2/2015.
Amended at 46 Ill. Reg. 15751, effective 8/30/2022.
AUTHORITY: Implementing and authorized by the Illinois Water Well Construction Code [415 ILCS 30 ].