"Surface water/ground water under the direct influence of surface water system (SW/GWUDISW system)" means a public water system for which any source is surface water or ground water under the direct influence of surface water that is subject to Env-Dw 716.
N.H. Admin. Code § Env-Dw 103.58
(See Revision Note at chapter heading for Env-Dw 100) #10606, eff 6-1-14