N.J. Admin. Code § 7:10-12.35

Current through Register Vol. 56, No. 11, June 3, 2024

Section 7:10-12.35 - Required storage capacity

(a) Each single dwelling nonpublic water system shall be equipped with water storage capacity in accordance with a storage tank manufacturer's recommendations reflecting well yield, well pump capacity, and size of dwelling to be served.

(b) Each public noncommunity and nonpublic water system serving a nonresidential unit and/or multiple residential or nonresidential realty improvements equipped with hydropneumatic water storage facilities shall comply with the following requirements:

1. The capacity of the pumping equipment in a hydropneumatic storage system shall be at least 10 times the average daily water demand determined using Table 1 at 7:10-12.6.

2. The gross volume of the hydropneumatic tank, in gallons, shall be either at least ten times the capacity of the largest pump, rated in gallons per minute, or the gross volume recommended by the equipment manufacturer.

EXAMPLE: Assume a proposed water system has an average daily water demand, as determined using Table 1 at 7:10-12.6, of 10,000 gallons per day (gpd) or seven gallons per minute (gpm). The total capacity of the well and/or booster station pump(s) must be 70 gpm (10 times seven gpm) and the system must have a hydropneumatic tank capacity of 700 gallons (10 times 70 gpm).

(c) The administrative authority shall determine the minimum water storage capacity for nonpublic nonresidential water systems using gravity storage facilities.

N.J. Admin. Code § 7:10-12.35