Ala. Admin. Code tit. 335, WATER DIVISION - WATER SUPPLY PROGRAM, APPENDICES, app B
Contaminant (units) | MCLG | MCL | Major Sources |
Total Coliform Bacteria | N/A | TT | Naturally present in the environment |
E. coli | MCLG = 0 MCL - Routine and repeat samples are total coliform-positive and either is E. coli-positive or system fails to take repeat samples following E. coli-positive routine sample or system fails to analyze total coliform-positive repeat sample for E. coli. | Human and animal fecal waste | |
Fecal Indicators (enterococci or coliphage) | N/A | TT | Human and animal fecal waste |
Fecal Indicators (GWR) | |||
i. E. coli | 0 | TT | |
ii. Enterococci | None | TT | Human and animal fecal waste |
iii. coliphage | None | TT | |
GWR TT Violations | None | TT | Human and animal fecal waste |
Viruses, Giardia | 0 | TT | Human and animal fecal waste |
Legionella | 0 | TT | Found naturally in water, multiplies in heating systems |
Beta/photon emitters (mrem/yr) | 0 | 4 | Decay of natural and man-made deposits |
Alpha emitters (pCi/l) | 0 | 15 | Erosion of natural deposits |
Combined radium (pCi/l) | 0 | 5 | Erosion of natural deposits |
Uranium | 0 | 30 ppb | Erosion of natural deposits |
Antimony | 6 ppb | 6 ppb | Discharge from petroleum refineries; fire retardants; ceramics; electronics; solder |
Arsenic | 0 | 10 ppb | Erosion of natural deposits; Runoff from orchards; Runoff from glass and electronics production wastes |
Asbestos (MFL) | 7 | 7 | Decay of asbestos cement water mains; Erosion of natural deposits |
Barium | 2 | 2 ppm | Discharge of drilling wastes; Discharge from metal refineries; Erosion of natural deposits |
Beryllium | 4 ppb | 4 ppb | Discharge from metal refineries and coal-burning factories; Discharge from electrical, aerospace, and defense industries |
Cadmium | 5 ppb | 5 ppb | Corrosion of galvanized pipes; Erosion of natural deposits; Discharge from metal refineries; runoff from waste batteries and paints |
Chromium | 100 ppb | 100 ppb | Discharge from steel and pulp mills; Erosion of natural deposits |
Copper | 1.3 | AL = 1.3 ppm | Corrosion of household plumbing systems; Erosion of natural deposits; Leaching from wood preservatives |
Cyanide | 200 ppb | 200 ppb | Discharge from steel/metal factories; Discharge from plastic and fertilizer factories |
Fluoride | 4 | 4 ppm | Water additive which promotes strong teeth; Erosion of natural deposits; Discharge from fertilizer and aluminum factories |
Lead | 0 | AL = 15 ppb | Corrosion of household plumbing systems; Erosion of natural deposits |
Mercury | 2 ppb | 2 ppb | Erosion of natural deposits; Discharge from refineries and factories; Runoff from landfills; Runoff from cropland |
Nitrate | 10 | 10 ppm | Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion of natural deposits |
Nitrite | 1 | 1 ppm | Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion of natural deposits |
Selenium | 50 ppb | 50 ppb | Discharge from petroleum and metal refineries; Erosion of natural deposits; Discharge from mines |
Thallium | 0.5 ppb | 2 ppb | Leaching from ore-processing sites; Discharge from electronics, glass, and drug factories |
Turbidity | n/a | TT | Soil runoff |
2,4-D | 70 ppb | 70 ppb | Runoff from herbicide used on row crops |
2,4,5-TP(Silvex) | 50 ppb | 50 ppb | Residue of banned herbicide |
Acrylamide | 0 | TT | Added to water during sewage/wastewater treatment |
Alachlor | 0 | 2 ppb | Runoff from herbicide used on row crops |
Atrazine | 3 ppb | 3 ppb | Runoff from herbicide used on row crops |
Benzo(a)pyrene [PAHs] | 0 | 200 ppt | Leaching from linings of water storage tanks and distribution lines |
Carbofuran | 40 ppb | 40 ppb | Leaching of soil fumigant used on rice and alfalfa |
Chlordane | 0 | 2 ppb | Residue of banned termiticide |
Dalapon | 200 ppb | 200 ppb | Runoff from herbicide used on rights of way |
Di (2-ethylhexyl)adipate | 400 ppb | 400 ppb | Discharge from chemical factories |
Di (2-ethylhexyl) phthalate | 0 | 6 ppb | Discharge from rubber and chemical factories |
Dinoseb | 7 ppb | 7 ppb | Runoff from herbicide used on soybeans and vegetables |
Diquat | 20 ppb | 20 ppb | Runoff from herbicide use |
Dioxin [2,3,7,8-TCDD] | 0 | 30 ppq | Emissions from waste incineration and other combustion; Discharge from chemical factories |
Endothall | 100 ppb | 100 ppb | Runoff from herbicide use |
Endrin | 2 ppb | 2 ppb | Residue of banned insecticide |
Epichlorohydrin | 0 | TT | Discharge from industrial chemical factories; Added to water during treatment process An impurity of some water treatment chemicals. |
Glyphosate | 700 ppb | 700 ppb | Runoff from herbicide use |
Heptachlor | 0 | 400 ppt | Residue of banned pesticide. |
Heptachlor epoxide | 0 | 200 ppt | Breakdown of heptachlor |
Hexachlorobenzene | 0 | 1 ppb | Discharge from metal refineries and agricultural chemical factories |
Hexachlorocyclopentadiene | 50 ppb | 50 ppb | Discharge from chemical factories |
Lindane | 200 ppt | 200 ppt | Runoff/leaching from insecticide used on cattle, lumber, gardens |
Methoxychlor | 40 ppb | 40 ppb | Runoff/leaching from insecticide used on fruits, vegetables, alfalfa, livestock |
Oxamyl [Vydate] | 200 ppb | 200 ppb | Runoff/leaching from insecticide used on apples, potatoes and tomatoes |
PCBs [Polychlorinated biphenyls] | 0 | 500 ppt | Runoff from landfills; Discharge of waste chemicals |
Pentachlorophenol | 0 | 1 ppb | Discharge from wood preserving factories |
Picloram | 500 ppb | 500 ppb | Herbicide runoff |
Simazine | 4 ppb | 4 ppb | Herbicide runoff |
Toxaphene | 0 | 3 ppb | Runoff/leaching from insecticide used on cotton and cattle |
Benzene | 0 | 5 ppb | Discharge from factories; Leaching from gas storage tanks and landfills |
Carbon tetrachloride | 0 | 5 ppb | Discharge from chemical plants and other industrial activities |
Chlorobenzene | 100 ppb | 100 ppb | Discharge from chemical and agricultural chemical factories |
Dibromochloropropane | 0 | 200 ppt | Runoff/leaching from soil fumigant used on soybeans, cotton, pineapples, and orchards |
o-Dichlorobenzene | 600 ppb | 600 ppb | Discharge from industrial chemical factories |
p-Dichlorobenzene | 75 ppb | 75 ppb | Discharge from industrial chemical factories |
1,2-Dichloroethane | 0 | 5 ppb | Discharge from industrial chemical factories |
1,1-Dichloroethylene | 7 ppb | 7 ppb | Discharge from industrial chemical factories |
cis-1,2-Dichloroethylene | 70 ppb | 70 ppb | Discharge from industrial chemical factories |
trans-1,2-Dichloroethylene | 100 ppb | 100 ppb | Discharge from industrial chemical factories |
Dichloromethane | 0 | 5 ppb | Discharge from pharmaceutical and chemical factories |
1,2-Dichloropropane | 0 | 5 ppb | Discharge from industrial chemical factories |
Ethylbenzene | 700 ppb | 700 ppb | Discharge from petroleum refineries |
Ethylene dibromide | 0 | 50 ppt | Discharge from petroleum refineries |
Styrene | 100 ppb | 100 ppb | Discharge from rubber and plastic factories; Leaching from landfills |
Tetrachloroethylene | 0 | 5 ppb | Leaching from PVC pipes; Discharge from factories and dry cleaners |
1,2,4-Trichlorobenzene | 70 ppb | 70 ppb | Discharge from textile-finishing factories |
1,1,1-Trichloroethane | 200 ppb | 200 ppb | Discharge from metal degreasing sites and other factories |
1,1,2-Trichloroethane | 3 ppb | 5 ppb | Discharge from industrial chemical factories |
Trichloroethylene | 0 | 5 ppb | Discharge from metal degreasing sites and other factories |
TTHM [Total trihalomethanes] | N/A | 80 ppb | By-product of drinking water chlorination |
Toluene | 1 | 1 ppm | Discharge from petroleum factories |
Vinyl Chloride | 0 | 2 ppb | Leaching from PVC piping; Discharge from plastics factories |
Xylenes | 10 | 10 ppm | Discharge from petroleum factories; Discharge from chemical factories |
Total organic carbon | N/A | TT | Naturally present in the environment |
Bromate | 0 | 10 ppb | By-product of drinking water chlorination |
Chloramines | MRDLG = 4 | MRDL = 4 ppm | Water additive used to control microbes |
Chlorine | MRDLG = 4 | MRDL = 4 ppm | Water additive used to control microbes |
Chlorite | 800 ppb | 1 ppm | By-product of drinking water chlorination |
Chlorine Dioxide | MRDLG = 800 | MRDL = 800 ppb | Water additive used to control microbes |
Haloacetic Acids (HAA5) | N/A | 60 ppb | By-product of drinking water disinfection |
Key
AL =Action Level
GWR = Ground Water Rule
MCL = Maximum Contaminant Level
MCLG = Maximum Contaminant Level Goal
MFL = million fibers per liter
mg/l = milligrams per liter, or parts per million
mrem/year = millirems per year (a measure of radiation absorbed by the body)
pCi/l = picocuries per liter (a measure of radioactivity)
ppb = parts per billion or micrograms per liter
ppm = parts per million or milligrams per liter
ppq = parts per quadrillion or picograms per liter
ppt = parts per trillion or nanograms per liter
TT = Treatment Technique
Ala. Admin. Code tit. 335, WATER DIVISION - WATER SUPPLY PROGRAM, APPENDICES, app B
Author: Joe Alan Power
Statutory Authority:Code of Ala. 1975, §§ 22-23-33, 22-23-49, 22-22A-5, 22-22A-6.