N.J. Admin. Code § 7:9D-2.11

Current through Register Vol. 56, No. 24, December 18, 2024

Section 7:9D-2.11 - Well development and well redevelopment

(a) A well permit is not required for performing any well development or well redevelopment.

(b) All well development or redevelopment work shall be performed by a well driller licensed in accordance with this chapter.

(c) All well development or well redevelopment shall be performed with care so as not to damage the well structure or cause adverse subsurface conditions that may destroy the natural barriers which prevent the movement of poor quality water or contaminants.

(d) Acceptable well development/redevelopment methods include:

1. Overpumping;

2. Mechanical surging;

3. Air or gas surging, including pulsing, bursting, or inert gas injection;

4. Jetting;

5. Chemical treatment:

i. Detergents, chlorine, acids, or other chemicals may be used for the purpose of increasing or restoring well yield;

ii. All acids and other chemicals used for treatment shall be specifically designed for use in water well rehabilitation, shall be used and neutralized in accordance with the manufacturer's specifications, and shall be contained properly in accordance with N.J.A.C. 7:26G; and

iii. The well shall be thoroughly pumped after the completion of development/redevelopment operations to remove such chemical agents or residues;

6. Explosives:

i. The use of explosives shall be limited to wells constructed in consolidated formations;

ii. Explosives shall be used by a person licensed pursuant to N.J.A.C. 12:190 by the New Jersey Department of Labor, Office of Safety Compliance Explosive Regulations and only after approval is obtained from the Department;

iii. The well shall be thoroughly pumped after the completion of development/redevelopment operations to remove such explosive agents or residues;

iv. The well to be treated must be a minimum of 150 feet from the nearest wells; and

v. The well site owner or the licensed well driller who will conduct the well development/redevelopment, shall notify the owner(s) of any property adjacent to the well site of the development/redevelopment procedure no less than 24 hours prior to the procedure; and

7. Hydrofracturing:

i. The use of hydrofracturing technologies shall be limited to wells constructed in consolidated formations;

ii. The well to be treated shall be a minimum of 150 feet from the nearest wells;

iii. A packer shall be set no less than 50 feet below the bottom of the well casing; and

iv. The well site owner or by the licensed well driller who shall conduct the well development/redevelopment shall notify the owner(s) of any property adjacent to the well site of the development/redevelopment procedure no less than 24 hours prior to the procedure.

(e) All water used during any selected method or process shall be of potable quality.

(f) All wells which have been subjected to development or redevelopment shall be free of sand or silt upon completion of development/redevelopment operations.

(g) Any method not specified above requires prior approval pursuant to N.J.A.C. 7:9D-2.8.

N.J. Admin. Code § 7:9D-2.11

Amended by 50 N.J.R. 171(a), effective 1/2/2018