1. Lands contained within the county that have not had release rates established under an approved Act 167 Stormwater Management Plan:
A. Post-development discharge rates shall not exceed the pre-development discharge rates for the one-year, two-year, ten-year, 25-year, 50-year and 100-year storms.
2. Lands contained within the county that have had release rates established under an approved Act 167 Stormwater Management Plan:
A. The post-development peak discharge rates shall be in accordance with the approved release rate map for the individual watershed.
(1) Tunungwant Creek Watershed: 70% and 100% release rate districts have been established; refer to Appendix 23-F.
(2) Allegheny River Watershed: 100% release rate districts have been established; refer to Appendix 23-F.
(Ord. 2011-04-11, passed 4-11-2011)