A special test may be required for a public water supply system exceeding the following amounts:

Constituent Maximum Amount

1. (1) Iron............................................0.30 mg/l
2. (2) Manganese..............................0.05 mg/l
3. (3) Chloride...................................250.00 mg/l
4. (4) Sulfate......................................250.00 mg/l
5. (5) Total dissolved solids.............500.00 mg/l

Authorizing statute(s): 75-6-104, MCA

Implementing statute(s): 75-6-104, MCA

History: NEW, 1977 MAR p. 1187, Eff. 12/24/77; AMD, 1982 MAR p. 594, Eff. 3/26/82; TRANS, from DHES, 1996 MAR p. 1499; AMD, 2024 MAR p. 253, Eff. 2/10/24.