Dimensional standards
Servicing
- Geographic extent
- Areas subject to inundation by the one hundred-year flood, specifically the floodway as delineated in the flood insurance study for Prince William County, Virginia and incorporated areas, including the City of Manassas Park, dated March 11, 1978.
Uses
Permitted by right4
- Agricultural uses, such as general farming, pasture, grazing, outdoor plant nurseries, horticulture, truck farming, forestry, sod farming, and wild crop harvesting
- Public and private recreational uses and activities, such as parks, day camps, picnic grounds, golf courses, boat launching, and swimming areas, hiking, and horseback riding trails, wildlife and nature preserves
- Accessory residential uses, such as yard areas, gardens, play areas, and pervious parking areas
- Accessory industrial and commercial uses, such as yard areas, pervious parking and loading areas, airport land strips, etc.
Conditional / special use3
- Structures, except for mobile homes, accessory to the uses and activities in (h) above
- Utilities and public facilities and improvements, such as railroads, streets, bridges, transmission lines, pipe lines, water and sewage treatment plants, and other similar or related uses
- Water-related uses and activities, such as marinas, docks, wharves, piers, etc.
Prohibited1
Extracted standards
2 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Floodplain
- No encroachment without hydrologic and hydraulic analysis
No encroachments, including fill, new construction, substantial improvements, or other development shall be permitted unless it has been demonstrated through hydrologic and hydraulic analyses performed in accordance with standard engineering practices that the proposed encroachment would not result in any increase in the one hundred-year flood elevation.
- No filling or gradingGrading (cut & fill)Reshaping land by removing earth (cut) or adding it (fill), often capped by volume. in floodplains
No filling or grading, either temporary or permanent, shall be allowed within any areas (floodplains) inundated by the one hundred-year frequency flood, unless it can be demonstrated, through detailed engineering analysis that such filling or grading will have no effect on the one hundred-year frequency flood level or that satisfactory channel improvements will be made to compensate for the filling or grading such that the one hundred-year frequency flood level is not changed.
From the ordinance
In floodway districts: No development shall be permitted except where the effect of such development on flood heights is fully offset by accompanying improvements which have been approved by all appropriate local and/or state authorities as required above.