Section Env-Wq 1010.02 - Septic Tank Capacity for Commercial and Large Residential Structures The liquid capacity of a septic tank in an ISDS serving a commercial structure or a residential structure having more than 10 bedrooms shall be as follows:
(a) For flows of 300 GPD to less than 600 GPD, the septic tank size shall be the same as that specified in Env-Wq 1010.01(b);(b) For flows of at least 600 GPD but less than 1,500 GPD, the volume shall be the greater of 1,250 gallons or 2 times the daily sewage flow;(c) For flows of 1,500 GPD or more, the volume shall be 2,000 gallons plus 70% of the daily flow; and(d) For flows of less than 300 GPD, the volume shall be not less than 1,000 gallons.N.H. Admin. Code § Env-Wq 1010.02
(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08; ss by #9904-A, eff 4-16-11
Amended by Volume XXXVI Number 41, Filed October 13, 2016, Proposed by #11184, Effective 10/1/2016, Expires 10/1/2026.