Tuolumne County Municipal Code § 2.5 Onsite Wastewater Treatment Systems

If slope in category III or IV Less than 2.5 acres Test required for all slope
categories

B. A failure to meet the minimum criteria may be negated by other favorable conditions except where a criterion is required. For example, the installation of an OWTS may be allowed in areas steeper than thirty percent if the percolation rates are good, the soils are deep and the available disposal areas are large. Where minimum criteria are not met, a predevelopment engineered system may be required by the Environmental Health Division. (Ord. 3324 § 1, 2018; Ord. 3134 § 7, 2010; Ord. 784 § 1 (part), 1974; prior code § 7- 18.4).