Rule 391-3-5-.19. Secondary Maximum Contaminant Levels for Drinking Water.

Georgia Administrative Code

Department 391. RULES OF GEORGIA DEPARTMENT OF NATURAL RESOURCES

Chapter 391-3. ENVIRONMENTAL PROTECTION

Subject 391-3-5. RULES FOR SAFE DRINKING WATER

Current through Rules and Regulations Filed through July 9, 2019

Rule 391-3-5-.19. Secondary Maximum Contaminant Levels for Drinking Water

(1) Adverse Effects on Drinking Water. The drinking water should not contain any contaminant which will adversely affect the odor or appearance of the drinking water and consequently may cause a substantial number of the persons served by the public water system to discontinue its use or which may adversely affect the public welfare.
(2) Secondary MCLs. The Secondary maximum contaminant levels established below represent reasonable goals for drinking water quality:
(3)

Contaminant

Secondary Level

Aluminum (Al)

0.05 to 0.2 mg/L

Chloride

250 mg/L

Color

15 color units

Copper (Cu)

1.0 mg/L

Corrosivity

Non-corrosive

Fluoride (F)

2.0 mg/L

Foaming Agents

0.5 mg/L

Iron (Fe)

0.3 mg/L

Manganese (Mn)

0.05 mg/L

Odor

3 threshold odor number

Silver (Ag)

0.1 mg/L

Sulfate

250 mg/L

Total dissolved solids (TDS)

500 mg/L

Zinc (Zn)

5.0 mg/L

(4) Standard Methods. Any analyses required under this rule shall be conducted in accordance with the analytical recommendations set forth in the latest edition of "Standard Methods of Examination of Water and Wastewater" as published by the American Public Health Association, or as such analyses may be modified by the Director.
(5) Collect and Submit Samples for Analyses. Upon written direction of the Director, the supplier shall collect drinking water samples and submit them to the Division's water laboratory or other laboratory for analyses in accordance with the schedule furnished to the supplier.

Cite as Ga. Comp. R. & Regs. R. 391-3-5-.19

Authority: Ga. L. 1977, p. 351, et seq., O.C.G.A. Sec. 12-5-170 et seq., as amended.

History. Original Rule entitled "Drinking Water Standards" was filed on September 6, 1973; effective September 26, 1973.

Amended: Rule repealed and a new Rule entitled "Microbiological Contaminant Sampling and Analytical Requirements" adopted. Filed July 5, 1977; effective July 26, 1977, as specified by Rule 391-3-5-.47.

Amended: Filed July 15, 1983; effective August 4, 1983.

Repealed: New Rule entitled "Secondary Maximum Contaminant Levels for Drinking Water" adopted. F. May 12, 1989; eff. Jun. 1, 1989.

Repealed: New Rule, same title, adopted. F. Jun. 25, 1992; eff. Jul. 15, 1992.

Repealed: New Rule, same title, adopted. F. Mar. 10, 1994; eff. Mar 30, 1994.

Amended: F. Sept. 26, 1997; eff. Oct. 16, 1997.

Amended: F. Jan. 8, 2014; eff. Jan. 28, 2014.