Pasadena Municipal Code Art. II Natural Preservation Area

The natural preservation area consists of the Arroyo Seco slope banks, the Lower Arroyo from the south city limit to the Holly Street bridge, the flood control channel area west and south of Brookside Park, and the area north of Brookside Golf Course to Devil's Gate Dam.

(Ord. 6403 § 2 (part), 1990)

A. Low intensity recreational activities within defined activity areas, including hiking, horseback riding, archery, casting, picnicking and jogging.

B. New structures shall be limited to those required for utility operations, park maintenance and protection of plant and animal communities. Such structures are to be adequately screened to conceal their visual presence.

C. All existing uses may be allowed to remain but not allowed to expand.

(Ord. 6403 § 2 (part), 1990)

All lands within the natural preservation area are to be designated as a natural preserve and shall be subject to the following limitations:

A. Planting shall be limited to native plants with the exception of the area around La Casita del Arroyo, that may be planted with material appropriate to the Arroyo Seco and the semi-arid South California climate.

B. No plants may be removed without the approval of the city.

C. Wastes, fertilizers or polluted waters shall not be allowed to enter the waters or sources for the waters of this area.

D. Dumping of waste material or polluting waters in this area or entering this area is prohibited.

E. Use of pesticides or herbicides in this area shall comply with California Department of Agriculture and the U.S. Environmental Protection Agency regulations.

F. Hunting, trapping or collecting of animals is prohibited except for biological studies or other scientific purposes approved by the city manager or for pest control.

G. No excavation or landfill shall be permitted on the slope banks of the Arroyo Seco except for repairs to ensure public health and safety or for undergrounding of utilities as determined by the city manager.

H. The use or parking of motor vehicles outside existing paved streets, driveways, parking lots or other designated areas is prohibited, except for maintenance and emergency purposes.

I. Trails and roads shall not be paved.

J. Except for threat to privately owned lands, structures or public safety, nothing in this chapter shall preclude modification of the flood control channel to restore all or part of the natural stream in the lower Arroyo Seco.

(Ord. 6403 § 2 (part), 1990)