N.H. Code Admin. R. Env-Dw 803.01
Compliance with Secondary Maximum Contaminant Level and Public Notification for Fluoride
Effective Nov 21, 2025(See Revision Note at chapter heading for Env-Dw 800) #9730, eff 6-30-10; ss by #10771, eff 2-1-15; ss by #12675, eff 1-1-19, ss by #14428, eff 11-21-25, EXPIRES 11-21-35Drinking Water Programs
- (a) Subject to (c) below, the owner or operator (O/O) of a community water system (CWS) or a non-transient non-community water system (NTNCWS) at which the level of fluoride exceeds the secondary MCL specified in Env-Dw 706.01 but not the MCL specified in Env-Dw 704.02 shall provide the notice prescribed in (b) below, to all billing units annually, to all new billing units at the time service begins, and to the New Hampshire public health officer at the department of health and human services.
(b) The public notice required by (a) above shall:
- (1) Contain the language specified in Env-Dw 801.03 and Env-Dw 806.11; and
- (2) Be provided as soon as practical but not later than 12 months from the day the O/O of the CWS or NTNCWS learns of the exceedance.
- (c) The O/O of an NTNCWS shall provide notice under this section only if it serves children under the age of 9, which is the population subject to dental fluorosis.
- (d) A CWS O/O may provide notice as required in Env-Dw 801.08 through the CCR as specified in Env-Dw 801.19.
Source. (See Revision Note at chapter heading for Env-Dw 800) #9730, eff 6-30-10; ss by #10771, eff 2-1-15; ss by #12675, eff 1-1-19, ss by #14428, eff 11-21-25, EXPIRES 11-21-35