Section Env-Dw 705.03 - MCLs and MCLGs for Health-Related Disinfection Byproducts(a) The MCLs and MCLGs for the health-related disinfection byproducts specified in (c) and (d), below, respectively, shall apply to each community water system, non-transient non-community water system, and transient non-community water system at which any chemical disinfectant is added to the water in any part of the drinking water treatment process.(b) Monitoring for disinfectant byproducts shall be as specified in Env-Dw 715.(c) The MCLs for disinfection byproducts shall be as specified in Table 705-3 below: Table 705-3: Disinfection Byproducts
Contaminant | MCL (mg/L) |
Total trihalomethanes (TTHM) | 0.080 |
Haloacetic acids (five) (HAA5) | 0.060 |
Bromate | 0.010 |
Chlorite | 1.0 |
(d) The MCLGs for disinfection byproducts shall be as specified in Table 705-4, below: Table 705-4: MCLGs for Disinfection Byproducts
Contaminant | MCLG (mg/L) |
Bromodichloromethane | 0 |
Bromoform | 0 |
Bromate | 0 |
Chlorite | 0.8 |
Chloroform | 0.07 |
Dibromochloromethane | 0.06 |
Dichloroacetic Acid | 0 |
Monochloroacetic Acid | 0.07 |
Trichloroacetic Acid | 0.02 |
N.H. Code Admin. R. Env-Dw 705.03
(See Revision Note #1 at chapter heading for Env-Dw 700) #9699, eff 5-1-10
Amended by Volume XXXVIII Number 50, Filed December 13, 2018, Proposed by #12665, Effective 1/1/2019, Expires 1/1/2029.