Part 620 - GROUNDWATER QUALITY

  1. Subpart A - GENERAL (§ 620.105 to 620.135)
  2. Subpart B - GROUNDWATER CLASSIFICATION (§ 620.201 to 620.260)
  3. Subpart C - NONDEGRADATION PROVISIONS FOR APPROPRIATE GROUNDWATERS (§ 620.301 to 620.310)
  4. Subpart D - GROUNDWATER QUALITY STANDARDS (§ 620.401 to 620.450)
  5. Subpart E - GROUNDWATER MONITORING AND ANALYTICAL PROCEDURES (§ 620.505 to 620.510)
  6. Subpart F - HEALTH ADVISORIES (§ 620.601 to 620.615)

Current through Vol. 46, No. 16, April 15, 2022

Notes

Adopted in R89-14(B) at 15 Ill. Reg. 17614, effective November 25, 1991; amended in R89-14(C) at 16 Ill. Reg. 14667, effective September 11, 1992; amended in R93-27 at 18 Ill. Reg. 14084, effective August 24, 1994; amended in R96-18 at 21 Ill. Reg. 6518, effective May 8, 1997; amended in R97-11 at 21 Ill. Reg. 7869, effective July 1, 1997; amended in R01-14 at 26 Ill. Reg. 2662, effective February 5, 2002; amended in R08-18 at 36 Ill. Reg. 15206, effective October 5, 2012; amended in R08-18(B) at 37 Ill. Reg. 16529, effective October 7, 2013.

AUTHORITY: Implementing and authorized by Section 8 of the Illinois Groundwater Protection Act [415 ILCS 55/8 ] and authorized by Section 27 of the Illinois Environmental Protection Act [415 ILCS 5/27 ].

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