RSA 485:58 Enforcement and Penalties.

I. If the department determines that a primary standard has violated, or that, in its judgment, a condition exists in a public water system which will cause a violation of a primary standard and may result in a serious risk to public health, it may issue an order requiring:
(a) The prohibition of transportation, sale, distribution or supplying of water;
(b) The repair, installation or operation of purification equipment or methods;
(c) The notification of all potential users of the system, including travelers, of the nature, extent and possible health effects of the imminent hazard, and precautions to be taken by users; or
(d) The testing, sampling or other analytical operations required to determine the nature, extent, duration or termination of the imminent