ISDS 



18. There shall be no "dewatering " of observation holes for the purpose of performing a 

 percolation test 



1 8 A. All percolation tests officially recorded by inspectors for the Board of Healtii before 

 January 1, 1973 are declared null and void. (6/87) 



19. Grease traps with a minimum capacity of 1000 gallons shall be installed for all 

 restaurants with 75 or more seats ereaed or altered after this date of publication. (9/84) 



20. Septic Tank Requirements: 



1-2-3 bedroom equivalent shall have 1000 gallon tank. 



A four bedroom house shall have 1250 gallon tank and 5-6 bedroom shall have a 



1500 gallon tank. 



21. Leaching Area Fields: 



If covering soil is more than two feet in thickness, there must be one vent pope 

 installed and nrore if size of field requires. If cover material is impervious, the field shall 

 be vented through the plumbing. 



22. The camp, motel or cabin site shall be such that it is practicable to provide and maintain 

 proper sanitary facilities. The location shall be on porous, well-draining soil, and shall 

 afford facilities for obtaining a good water supply and a safe method of sewage disposal 

 system. 



23. Alteration regulations for Domestic Sewage Systems of not more than two thousand 

 gallons per day: 



The Board of Health inspector or two members of the Board shall: 



1. Receive permit fee before construction is begun and give receipt 



2. Review any former plans, wimess the current problem and the selection of the 

 site for any part of the system to be changed as well as relationship to neighbors' 

 wells and septic leaching areas. 



3. Review alteration plan prepared by Professional Engineer or Registered 

 Sanitarian. 



4. If in dry months, review records of possible ground water tests in area made 

 since 1981. 



5. If a leaching pit of six foot depth is to be used, a test hole at least 132 inches 

 deep must be dug. There must be four feet of pervious soil between bottom of 

 pit and ground water. 



6. Wimess excavation, record soil layers and water elevation, placement of new 

 tank, pit or field and stone just as for a New system. 



24. Separation Distances: The following are Board of Health regulations which supercede 

 Tide V regulations: 



Distances (1) (2) - No disposal facility shall be closer than the distance stated to the 

 components listed in the following table. The distance shall be increased where 

 required by conditions peculiar to a location: 



93 



