Administrative Code

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Virginia Administrative Code
Title 9. Environment
Agency 25. State Water Control Board
Chapter 870. Virginia Stormwater Management Program (VSMP) Regulation

9VAC25-870-160. Technical criteria and requirements for state projects.

A. This part specifies technical criteria and administrative procedures for all state projects.

B. Stormwater management state permit applications prepared for state projects shall comply with the technical criteria outlined in Part II (9VAC25-870-40 et seq.) of this chapter and, to the largest extent practicable, any locality's VSMP authority's technical requirements adopted pursuant to the Act. It shall be the responsibility of the state agency to demonstrate that the locality's VSMP authority's technical requirements are not practicable for the project under consideration.

C. The department may establish criteria for selecting either the site or a planning area on which to apply the water quality criteria.

D. As a minimum, a stormwater management state permit application shall contain the following:

1. The location and the design of the proposed stormwater management facilities.

2. Overall site plan with pre-developed and post-developed condition drainage area maps.

3. Comprehensive hydrologic and hydraulic computations of the predevelopment and postdevelopment runoff conditions for the required design storms, considered individually.

4. Calculations verifying compliance with the water quality requirements.

5. A description of the requirements for maintenance of the stormwater management facilities and a recommended schedule of inspection and maintenance.

6. The identification of a person or persons who will be responsible for maintenance.

7. All final plan elements, specifications, or calculations whose preparation requires a license under Chapter 4 (§ 54.1-400 et seq.) or 22 (§ 54.1-2200 et seq.) of Title 54.1 of the Code of Virginia shall be appropriately signed and sealed by a professional who is licensed to engage in practice in the Commonwealth of Virginia. Nothing in this subsection shall authorize any person to engage in practice outside his area of professional competence.

Statutory Authority

§§  62.1-44.15:25 and 62.1-44.15:28 of the Code of Virginia.

Historical Notes

Former 4VAC50-60-160 derived from Virginia Register Volume 21, Issue 3, eff. January 29, 2005; amended, Virginia Register Volume 29, Issue 4, eff. November 21, 2012; amended and renumbered, Virginia Register Volume 30, Issue 2, eff. October 23, 2013; Volume 34, Issue 19, eff. June 13, 2018.

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