New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Ws - Division of Water
Chapter Env-Ws 300 - NEW HAMPSHIRE DRINKING WATER RULES
Part Env-Ws 303 - INTRODUCTION TO PUBLIC WATER SUPPLY REGULATORY PROGRAM
Section Env-Ws 303.06 - Hydrogeologic or Engineering Study

(a) In a case of noncompliance with the requirements of Env-Ws 300 for the sizing or configuration of water system facilities or failure to meet a MCL, the system owner shall undertake an engineering or other appropriate study to determine the design factors and alternative methods of correcting the deficiencies, the cost of which shall be borne by the owner.

(b) Systems serving more than 50 service customers shall be required to use the services of a New Hampshire registered professional engineer or professional geologist, as appropriate, when a study includes engineering design or hydrogeologic investigations or solutions.

(c) Systems which have already performed a study for a particular MCL shall not be required to restudy the same scope of work. Where the exceedence of a MCL continues to occur, the system owner shall undertake other appropriate investigations.