Municipal Recycled Water: Access, Exposure, And Signage

Pasture for animals not producing milk for human con- sumption Yes Yes Yes Yes No Pasture for animals producing milk for human consump- tion Yes Yes Yes No No Orchards and vineyards irrigation during the fruiting sea- son, if no fruit harvested for raw use comes in contact with the irrigation water or ground, or will only contact the inedible portion of raw food crops Yes Yes Yes No No Highway medians and roadside vegetation irrigation on sides Yes Yes Yes No No Cemetery irrigation Yes Yes Yes No No Parks, playgrounds, and school yards during periods of non-use Yes Yes No No No Parks, playgrounds, and school yards during periods of use Yes No No No No Golf courses Yes Yes No No No Food crops, including all edible food crops Yes Yes No No No Residential landscape Yes No No No No Dust suppression at construction sites and control on roads and streets Yes Yes Yes No No Toilet flushing at industrial and commercial sites, when only trained maintenance personnel have access to plumbing for repairs Yes Yes Yes No No Nonstructural fire fighting Yes Yes Yes No No Cleaning roads, sidewalks, and outdoor work areas Yes Yes Yes No No Backfill consolidation around non-potable piping Yes Yes Yes No No Soil compaction Yes Yes Yes No No Commercial campus irrigation Yes Yes No No No Fire suppression Yes Yes No No No Snowmaking for winter parks, resorts Yes No No No No Commercial laundries Yes No No No No Ground water recharge through surface application Yes No No No No Subsurface distribution Yes Yes Yes Yes No Recycled Water Beneficial Reuse Class A Class B Class C Class D Class E IDAHO ADMINISTRATIVE CODE IDAPA 58.01.17 Department of Environmental Quality Recycled Water Rules Section 603 Page 16 01. Class A Recycled Water. When using Class A recycled water, notify the public and personnel in the area that recycled water is used and is not safe for drinking. Post signs stating “Caution: Recycled Water - Do Not Drink” or equivalent signage. (4-6-23) a. Distribution system identification and signage. (4-6-23) i. For all new buried pipe conveying Class A Recycled Water, including service lines, valves, and other appurtenances, must use the color purple consistently throughout the system. The color proposed for use will be identified in the plans and specifications and reviewed by the Department to ensure the pipes are adequately identifiable and distinguishable. If fading or discoloration of the purple pipe is experienced during construction, identification tape or locating wire along the pipe is required. Label piping every ten (10) feet with “Caution: Recycled Water - Do Not Drink” or equivalent signage in English and a secondary language as applicable. (4-6-23) ii. If identification tape is installed along with the purple pipe, use white or black printing on a purple color field as approved by the Department and label with “Caution: Recycled Water - Do Not Drink” or equivalent signage. The overall width of the tape is at least three (3) inches. Install identification tape eighteen (18) inches above the transmission pipe longitudinally, center over the pipe, and run continuously along the pipe’s length. (4-6-23) iii. Ensure all valves have locking valve covers that are non-interchangeable with potable water valve covers and inscribed on the top surface with “Recycled Water.” Ensure all above ground pipes and pumps are consistently color coded purple and marked to differentiate Class A recycled water facilities from potable water facilities. (4-6-23) b. Pumping facilities identification and signage. (4-6-23) i. Paint all exposed and above ground piping, risers, fittings, pumps, and valves in purple. Label all piping using a means accepted by the Department with “Caution: Recycled Water - Do Not Drink” or equivalent signage. In a fenced pump station area, post signs on all sides. (4-6-23) ii. Install warning labels with “Caution: Recycled Water - Do Not Drink” or equivalent signage on designated facilities such as, but not limited to, controller panels and washdown or blow-off hydrants on water trucks, hose bibs, and temporary construction services. (4-6-23) c. Where Class A recycled water is stored or impounded, or used for irrigation in public areas, install warning signs with, at a minimum, one (1) inch purple letters on a white or other high contrast background notifying the public the water is unsafe to drink. Signs may also have a purple background with white or other high contrast lettering. Label warning signs with “Caution: Recycled Water - Do Not Drink” or equivalent signage. (4-6-23) d. Place drinking fountains, picnic tables, food establishments, and other public eating facilities out of any spray irrigation area, or otherwise protect areas in which Class A recycled water is used. In construction plans, indicate exterior drinking fountains, picnic tables, food establishments, and other public eating facilities or, if these areas do not exist, state this in the plans and specifications. (4-6-23) 02. Class B Recycled Water. When using Class B recycled water, notify the public and personnel in the area that recycled water is used and is not safe for drinking. Post signs stating “Caution: Recycled Water - Do Not Drink” or equivalent signage in English and a secondary language as applicable. (4-6-23) 03. Class C Recycled Water. When using Class C recycled water for irrigation, notify the personnel in the area that recycled water is used and is not safe for drinking. For the public, post signs around the perimeter of the irrigation site stating “Warning: Recycled Water - Do Not Enter” or equivalent signage in English and a secondary language as applicable. (4-6-23) 04. Class D Recycled Water. When using Class D recycled water for irrigation, notify the personnel in the area that recycled water is used and is not safe for drinking. For the public, post signs around the perimeter of the irrigation site stating “Recycled Water - Do Not Enter” or equivalent signage in English and a secondary language as applicable. (4-6-23) IDAHO ADMINISTRATIVE CODE IDAPA 58.01.17 Department of Environmental Quality Recycled Water Rules Section 604 Page 17 05. Class E Undisinfected Recycled Water. When using Class E undisinfected recycled water for irrigation, prevent public access to the irrigation site using a physical barrier or other measure approved by the Department. Post signs around the perimeter of the irrigation site stating “Warning: Recycled Water - Do Not Enter” or equivalent signage in English and a secondary language as applicable. (4-6-23)