Mo. Code Regs. tit. 10 § 23-5.080

Current through Register Vol. 49, No. 23, December 2, 2024

Section 10 CSR 23-5.080 - Plugging of Heat Pump Wells

PURPOSE: This rule is being amended to remove unnecessary language and to move substantive certification and registration requirements to the proposed rule 10 CSR 23-2.020 Certification and Registration.

(1) Vertical Closed-Loop Heat Pump Wells. To plug a properly constructed vertical closed-loop heat pump well the following specifications must be met:

(A) Remove all heat transfer fluid from the closed-loop and take necessary precautions to ensure groundwater protection; and

(B) Dig down to the top of borehole and cut off the loop pipe at least three feet (3') below the surface. Pump the remaining loop full of bentonite or cement slurry. Allow the grout to fill the upper one foot (1') of borehole. Fill remaining hole with compacted earth or pavement.

(2) Open-Loop Heat Pump Wells. Wells used to supply water for heat pump and water return wells must be plugged pursuant to 10 CSR 23-3.110.

10 CSR 23-5.080

AUTHORITY: sections 256.606, 256.623, and 256.626, RSMo 2000.* Emergency rule filed Nov. 16, 1993, effective 12/11/1993, expired 4/9/1994. Original rule filed Aug. 17, 1993, effective 3/10/1994. Amended: Filed May 17, 2013, effective 12/30/2013.

Amended by Missouri Register January 15, 2019/Volume 44, Number 2, effective 2/28/2019

*Original authority: 256.606, RSMo 1991 and 256.623 and 256.626, RSMo 1985, amended 1991.