9 Va. Admin. Code § 25-870-65 - [Repealed effective 7/1/2024] Water quality compliance
A.
Compliance with the water quality design criteria set out in subdivisions A 1
and A 2 of
9VAC25-870-63
shall be determined by utilizing the Virginia Runoff Reduction Method or
another equivalent methodology that is approved by the department.
B. The nonproprietary BMPs listed in this
subsection are approved for use in accordance with the Virginia Runoff
Reduction Method. Other approved nonproprietary BMPs found on the Virginia
Stormwater BMP Clearinghouse Website may also be utilized. Design
specifications and the pollutant removal efficiencies for all approved
nonproprietary BMPs are found on the Virginia Stormwater BMP Clearinghouse
Website.
1. Vegetated Roof (Version 2.3, March
1, 2011);
2. Rooftop Disconnection
(Version 1.9, March 1, 2011);
3.
Rainwater Harvesting (Version 1.9.5, March 1, 2011);
4. Soil Amendments (Version 1.8, March 1,
2011);
5. Permeable Pavement
(Version 1.8, March 1, 2011);
6.
Grass Channel (Version 1.9, March 1, 2011);
7. Bioretention (Version 1.9, March 1,
2011);
8. Infiltration (Version
1.9, March 1, 2011);
9. Dry Swale
(Version 1.9, March 1, 2011);
10.
Wet Swale (Version 1.9, March 1, 2011);
11. Sheet Flow to Filter/Open Space (Version
1.9, March 1, 2011);
12. Extended
Detention Pond (Version 1.9, March 1, 2011);
13. Filtering Practice (Version 1.8, March 1,
2011);
14. Constructed Wetland
(Version 1.9, March 1, 2011); and
15. Wet Pond (Version 1.9, March 1,
2011).
C. Nonproprietary
BMPs differing from those listed in subsection B of this section shall be
reviewed and approved by the director in accordance with procedures established
by the department.
D. Proprietary
BMPs listed on the Virginia Stormwater BMP Clearinghouse Website are approved
for use in accordance with the Virginia Runoff Reduction Method. Any
proprietary BMP approved for use after July 1, 2020, must meet the requirements
of § 62.1-44.15:28 A 9 of the Code of Virginia.
E. A VSMP authority may establish limitations
on the use of specific BMPs in accordance with § 62.1-44.15:33 of the Code
of Virginia.
F. The VSMP authority
shall have the discretion to allow for application of the design criteria to
each drainage area of the site. However, where a site drains to more than one
HUC, the pollutant load reduction requirements shall be applied independently
within each HUC unless reductions are achieved in accordance with a
comprehensive watershed stormwater management plan in accordance with
9VAC25-870-92.
G. Offsite alternatives where allowed in
accordance with
9VAC25-870-69
may be utilized to meet the design criteria of subsection A of
9VAC25-870-63.
H. Any publicly owned treatment works that is
permitted under the watershed general VPDES permit pursuant to §
62.1-44.19:14 of the Code of Virginia and is constructing or expanding the
treatment works, wastewater collection system, or other facility used for
public wastewater utility operations may, in accordance with §
62.1-44.19:21.2 C of the Code of Virginia, permanently retire a portion of its
wasteload allocation to meet the design criteria of subsection A of
9VAC25-870-63.
Notice shall be given by such applicant to the VSMP authority and to the
department.
Notes
Statutory Authority: § 62.1-44.15:28 of the Code of Virginia; Chapters 68 and 758 of the 2016 Acts of Assembly.
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.