4VAC25-150-300. Pits.
A. General requirements.
1. Pits are to be temporary in nature and are to be reclaimed when the operations using the pit are complete. All pits shall be reclaimed within 180 days unless a variance is requested and granted by the field inspector.
2. Pits may not be used as erosion and sediment control structures or stormwater management structures, and surface drainage may not be directed into a pit.
3. Pits shall have a properly installed and maintained liner or liners made of 10 mil or thicker high-density polyethylene or its equivalent.
4. Pits shall be constructed of sufficient size and shape to contain all fluids and maintain a two-foot freeboard.
5. Pits shall be enclosed by adequate fencing to secure the site from access by the public and wildlife.
B. Operational requirements.
1. The integrity of lined pits and their enclosures shall be maintained until the pits are reclaimed or otherwise closed. Upon failure of the lining or pit, the operation shall be shut down until the liner and pit are repaired or rebuilt. The permittee shall notify the division, by the quickest available means, of any pit leak.
2. Motor oil and, to the extent practicable, crude oil shall be kept out of the pit. Oil shall be collected and disposed of properly. Litter and other solid waste shall be collected and disposed of properly and not thrown into the pit.
3. At the conclusion of drilling and completion operations or after a dry hole, well, or corehole has been plugged, the pit shall be drained in a controlled manner and the fluids disposed of in accordance with 4VAC25-150-420. If the pit is to be used for disposal of solids, then the standards of 4VAC25-150-430 shall be met.
Statutory Authority
§§ 45.1-161.3, 45.1-361.4, and 45.1-361.27 of the Code of Virginia.
Historical Notes
Derived from VR480-05-22.1 § 1.30, eff. September 25, 1991; amended, Virginia Register Volume 15, Issue 2, eff. November 11, 1998; Volume 29, Issue 3, eff. November 8, 2012; Volume 30, Issue 1, eff. October 10, 2013; Volume 33, Issue 7, eff. December 28, 2016.