Section Env-Wr 101.21 - High hazard structure "High hazard structure" means a dam that has a high hazard potential because it is in a location and of a size that failure or misoperation of the dam would result in probable loss of human life as a result of:
(a) Water levels and velocities causing the structural failure of a foundation of a habitable residential structure or a commercial or industrial structure which is occupied under normal conditions;(b) Water levels rising above the first floor elevation of a habitable residential structure or a commercial or industrial structure which is occupied under normal conditions when the rise due to dam failure is greater than one foot;(c) Structural damage to an interstate highway which could render the roadway impassable or otherwise interrupt public safety services;(d) The release of a quantity and concentration of materials which qualify as "hazardous waste" as defined in RSA 147-A:2, VII; or(e) Any other circumstance which would more likely than not cause one or more deaths.N.H. Code Admin. R. Env-Wr 101.21
#4278, eff 6-30-87; ss by #5080, eff 2-22-91; ss by #6462-A, eff 2-21-97; ss by #8288, INTERIM, eff 2-21-05, EXPIRES: 8-20-05; ss by #8412, eff 8-20-05; ss by #10508, eff 1-22-14