This policy came into existence in 1984 and was amended on January 02, 2001.

The policy states:

1. There shall be no new development within the restricted area except it is associated with the Harrison Cave;
2. The practice of Class 1 agriculture is strictly prohibited;
3. There shall be no change of use;
4. There shall be no subdivision of land which results in the creation of vacant lots;
5. Existing buildings will be allowed improvements subject to the special conditions for sewerage disposal now enforced in Zone 1 Areas e.g. disposal through an approved septic tank and approved filter bed containing gravel and activated carbon before disposal into a soak-away no more than 4.5m (15’.0”) deep; and
6. There shall be no increase in the capacity of any building e.g. a single family house cannot be upgraded to a two family unit.

Harrison's Cave Zone