Section 250-RICR-150-10-6.44 - Requirements in Drinking Water Supply Watershed Critical Resource AreasA. For OWTSs located in drinking water supply watersheds as defined in § 6.42(C)(3) of this Part, the standards established in §§ 6.42 and 6.44 of this Part shall supersede minimum standards established elsewhere in these Rules.B. Subsurface Drains - Subsurface drains to lower the seasonal high groundwater table are not permitted.C. OWTS Separation Distance to Groundwater - The bottom of the stone underlying the leachfield (or surface upon which the biomat develops) shall be at least four feet (4') above the seasonal high groundwater table when either soil category 1, 2, 3, 4, or 6 are encountered in determining the maximum leachfield loading rate in accordance with § 6.33(B)(2) of this Part.D. Location - The horizontal distances between the parts of any OWTS and the feature requiring a setback shall not be less than those shown in § 6.23(C) of this Part.250 R.I. Code R. 250-RICR-150-10-6.44
Amended effective 11/25/2018
Amended effective 12/28/2021
Amended effective 7/1/2022