Ord 2010-039 - Laserfiche WebLink

Home Browse Search

(3) The disposal area must support plant growth or be sodded with vegetative • cover. (4) The disposal area must have limited access and use by residents and pets. (5) Laundry graywater that has been in contact with human or animal waste must not be disposed onto the ground surface. (6) Laundry graywater must not be disposed to an area where the soil is wet. (7) A lint trap must be affixed to the end of the discharge Sec. 86.168. Industrial, commercial, or institutional use of graywater. (a) Graywater systems used for industrial, commercial, or institutional purposes must be designed to ensure that 100 percent of the graywater will be diverted to the City of San Marcos wastewater collection system or an approved on -site sewage facility during periods of non -use of the graywater system. The discharge from the graywater system must enter the wastewater collection system through an approved backflow prevention device. (b) All graywater systems used for process water must be reviewed, approved • and permitted by the city prior to installation. (c) An industrial, commercial, or institutional graywater system may only be used for the following activities: (1) Process water. Graywater used for industrial, commercial, or institutional purr oses must be treated to a standard that allows the grilywater to be used in operational processes. (2) Landscape maintenance. If graywater is used for landscape maintenance, the graywater must meet the following standards. a. If the graywater will be applied in areas where the public may come into contact with the graywater, the graywater must meet the following standards: 1. Fecal coliform, 20 colony forming units (CFU) /100 milliliters (ml), geometric mean; or 2. Fecal coliform (not to exceed), 75 CFU /100 ml, single grab sample. b. If the ra water will be applied in areas where the public is not • �y � p