D.C. Mun. Regs. tit. 21, r. 21-4107

Current through Register Vol. 71, No. 49, December 6, 2024

Rule 21-4107 - DISTRICT OF COLUMBIA CLEAN RIVERS IMPERVIOUS SURFACE AREA CHARGE INCENTIVE DISCOUNT PROGRAM: DISCOUNT CALCULATION

4107.1

The IAC Incentive Discount shall not exceed the maximum allowable IAC Incentive Discount percentage, which shall be twenty percent (20%) of the otherwise chargeable Clean Rivers Impervious Area Charge.

4107.2

The maximum allowable IAC Incentive Discount percentage is subject to change annually based on DC Water's budget appropriations.

4107.3

The IAC Incentive Discount shall be calculated as follows:

(a) DDOE will send DC Water the DDOE approved maximum volume of stormwater runoff retained (in Equivalent Residential Units (ERUs)) by an approved and eligible BMP(s) during a one and two tenths inch (1.2 in.) rainfall event;

(b) Multiply the number of ERUs of step "(a)" by the maximum allowable discount percentage; and

(c) Multiply the step "(b)" result by the IAC per ERU specified in § 4101 of this chapter.

4107.4

The calculated IAC Incentive Discount shall be applied to each Clean Rivers Impervious Area Charge billed.

4107.5

The IAC Incentive Discount will appear on the customer's DC Water bill beginning with the billing period that follows DC Water's receipt and processing of DDOE's approved maximum volume of stormwater runoff retained (in ERUs). For customers billed on a semi-annual basis, the discount will appear on their next bill, which is normally in March and September.

D.C. Mun. Regs. tit. 21, r. 21-4107

Final Rulemaking published at 60 DCR 11244 (August 2, 2013); amended by Final Rulemaking published at 66 DCR 8770 (7/26/2019)

Authority: Sections 203(3) and (11) and 216 of the Water and Sewer Authority Establishment and Department of Public Works Reorganization Act of 1996, effective April 18, 1996 (D.C. Law 11-111, §§ 203(3), (11) and 216; D.C. Official Code §§ 34-2202.03(3) and (11) (2010 Repl.) and D.C. Official Code §§ 34-2202.16 (2010 Repl.)); Section 6(a) of the District of Columbia Administrative Procedure Act, approved October 21, 1968 (82 Stat. 1206; D.C. Official Code § 2-505(a) (2011 Repl.)).