R392-400-15. Wastewater Disposal Requirements

(1) Wastewater shall be disposed of in accordance with state and local wastewater rules. (2) The operator may use portable restroom facilities and wastewater holding tanks as determined by the local health officer. (3) The number of toilets shall be provided in accordance with Table 1. TABLE 1 Minimum Numbers of Toilets Required Average Time at Gathering (hours) Peak Crowd 1 2 3 4 5 1,000 4 5 8 8 9 2,000 5 6 9 12 14 3,000 6 9 12 16 20 4,000 8 13 16 22 25 5,000 12 15 20 25 31 6,000 12 15 23 30 38 7,000 12 18 26 35 44 8,000 12 20 30 40 50 10,000 15 25 38 50 63 12,500 18 31 47 63 78 15,000 20 38 56 75 94 17,500 22 44 66 88 109 20,000 25 50 75 100 125 25,000 38 69 99 130 160 30,000 46 82 119 156 192 35,000 53 96 139 181 224 40,000 61 109 158 207 256 45,000 68 123 178 233 288 50,000 76 137 198 259 320 55,000 83 150 217 285 352 60,000 91 164 237 311 384 65,000 98 177 257 336 416 Each additional 10,000 15 25 38 50 63 Table continued for 6-10 hours Average Time at Gathering (hours) Peak Crowd 6 7 8 9 10 1,000 9 11 12 13 13 2,000 16 18 20 23 25 3,000 24 26 30 34 38 4,000 30 35 40 45 50 5,000 38 44 50 56 63 6,000 45 53 60 68 75 7,000 53 61 70 79 88 8,000 60 70 80 90 100 10,000 75 88 100 113 125 12,500 94 109 125 141 156 15,000 113 131 150 169 188 17,500 131 153 175 197 219 20,000 150 175 200 225 250 25,000 191 221 252 282 313 30,000 229 266 302 339 376 35,000 267 310 352 395 438 40,000 305 354 403 452 501 45,000 343 398 453 508 563 50,000 381 442 503 564 626 55,000 419 486 554 621 688 60,000 457 531 604 677 751 65,000 495 575 654 734 813 Each additional 10,000 75 88 100 113 125 (4) If alcoholic beverages are consumed at the gathering, the operator shall increase the number of required toilets by 40%. (5) Five percent, with a minimum of one, of the required number of toilets shall be accessible and shall be identified by the International Symbol of Accessibility in compliance with 36 CFR 1191, Americans with Disabilities Act Accessibility Guidelines. (6) For an event lasting longer than ten hours, the number of required toilets is calculated by adding the number of toilets for ten hours to the number of toilets for those hours over ten or a portion thereof, as determined in Table 1. (7) The operator shall locate portable toilets a minimum of 100 feet from any food service operation and not more than 300 feet from grand stand or spectator or from other areas of activity that pertain to the gathering, as outlined in the permit application. Where site conditions limit the placement of portable toilets, the local health officer may allow exemptions to these distances. (8)(a) The operator shall provide working hand wash stations at a minimum rate of one per ten portable toilets or portion thereof. (b) The operator shall provide soap, water and single use towels at each hand wash station. (c) Where conditions make the use of soap and water impractical, the local health officer may allow sanitizing gel in place of soap and water. (d) Sanitizing gel may not be used in place of soap and water at hand wash stations used by food service workers. (9) The operator shall provide a minimum of one covered trash container for every ten portable toilets or portion thereof. (10) The operator shall ensure that portable toilets are of sound construction, easily cleanable, and durable. (11) Each portable toilet shall be secured against vandalism and adverse weather conditions by tie-downs, anchors or similar effective means. (12) The operator shall contract with a liquid waste hauler that is permitted by the local health department in accordance with Rule R317-550, Rules for Liquid Waste Operations. (13)(a) The operator shall ensure that wastewater is removed from each portable toilet at least once every 24 hours or more frequently as necessary. (b) On a case by case basis, the local health officer may change this frequency because of the time of year, weather conditions, nature of the event or other public health related criteria. (c) Any wastewater removed shall be disposed of at a wastewater treatment facility in accordance with state and local wastewater disposal laws. (14) The operator shall ensure that each portable toilet is serviced and sanitized as necessary to maintain sanitary conditions. (15) At the conclusion of the gathering, each portable restroom unit shall be serviced then removed within 48 hours. The local health officer may extend or shorten this time because of the time of year, weather conditions, nature of the event, or to meet other public health related criteria.