These documents are intended as guidance and are available for public review during regular business hours at the offices of the surface water quality bureau. Copies of these documents have also been filed with the New Mexico state records center in order to provide greater access to this information.

1. A. American public health association. 1992. Standard Methods for The Examination of Water and Wastewater, 18th Edition. Washington, D.C. 1048 p.
2. B. American public health association. 1995. Standard Methods for The Examination of Water and Wastewater, 19th Edition. Washington, D.C. 1090 p.
3. C. American public health association. 1998. Standard Methods for The Examination of Water and Wastewater, 20th Edition. Washington, D.C. 1112 p.
4. D. American public health association. 2018. Standard Methods for The Examination of Water and Wastewater, 23rd Edition. Washington, D.C. 1796 p.
5. E. United States geological survey. 1989. Methods For Determination of Inorganic Substances In Water And Fluvial Sediments, Techniques of Water-Resource Investigations of The United States Geological Survey. Washington, D.C. 545 p.
6. F. United States geological survey. 1987. Methods For The Determination Of Organic Substances In Water And Fluvial Sediments, Techniques Of Water-Resource Investigations Of The United States Geological Survey. Washington, D.C. 80 p.
7. G. United States environmental protection agency. 1983. Methods For Chemical Analysis Of Water And Wastes. Office of research and development, Washington, DC. (EPA/600/4-79/020). 491 p.
8. H. New Mexico water quality control commission. 2020. State Of New Mexico Water Quality Management Plan and Continuing Planning Process. Santa Fe, New Mexico. 277 p.
9. I. Colorado river basin salinity control forum. 2020. 2020 Review, Water Quality Standards For Salinity, Colorado River System. Phoenix, Arizona. 97 p.
10. J. United States environmental protection agency. 2002. Methods For Measuring The Acute Toxicity Of Effluents And Receiving Waters To Freshwater And Marine Organisms. Office of research and development, Washington, D.C. (5th Ed., EPA 821-R-02-012). 293 p.
11. K. United States environmental protection agency. 2002. Short-Term Methods For Estimating The Chronic Toxicity Of Effluents And Receiving Waters To Freshwater Organisms. Environmental monitoring systems laboratory, Cincinnati, Ohio. (4th Ed., EPA 821-R-02-013). 335 p.
12. L. United States environmental protection agency. 1991. Ambient-induced mixing, in Technical Support Document For Water Quality-Based Toxics Control. Office of water, Washington, D.C. (EPA/505/2-90-001). 335 p.
13. M. United States environmental protection agency. 1983. Technical Support Manual: Waterbody Surveys And Assessments For Conducting Use Attainability Analyses, Volume I:. Office of water, regulations and standards, Washington, D.C. 232 p.

14. N. United States environmental protection agency. 1984. Technical Support Manual: Waterbody Surveys And Assessments For Conducting Use Attainability Analyses, Volume III: Lake Systems. Office of water, regulations and standards, Washington, D.C. 208 p.

    HISTORY of 20.6.4 NMAC:

    Pre-NMAC History:

    Material in the part was derived from that previously filed with the commission of public records - state records center and archives:

    WQC 67-1, Water Quality Standards, filed 7/17/1967, effective 8/18/1967

    WQC 67-1, Amendment Nos. 1-6, filed 3/21/1968, effective 4/22/1968

    WQC 67-1, Amendment No. 7, filed 2/27/1969, effective 3-30/1969

    WQC 67-1, Amendment No. 8, filed 7/14/1969, effective 8/15/1969

    WQC 70-1, Water Quality Standards for Intrastate Waters and Tributaries to Interstate Streams, filed July 17, 1970;

    WQC 67-1, Amendment Nos. 9 and 10, filed 2/12/1971, effective 3/15/1971

    WQC 67-1, Amendment No. 11, filed 3/4/1971, effective 4/5/1971

    WQC 73-1, New Mexico Water Quality Standards, filed 9/17/1973, effective 10/23/1973

    WQC 73-1, Amendment Nos. 1 and 2, filed 10/3/1975, effective 11/4/1975

    WQC 73-1, Amendment No. 3, filed 1/19/1976, effective 2/14/1976

    WQC 77-2, Amended Water Quality Standards for Interstate and Intrastate Streams in New Mexico, filed 2/24/1977, effective 3/11/1977

    WQC 77-2, Amendment No. 1, filed 3/23/1978, effective 4/24/1978

    WQC 77-2, Amendment No. 2, filed 6/12/1979, effective 7/13/1979

    WQCC 80-1, Water Quality Standards for Interstate and Intrastate Streams in New Mexico, filed 8/28/1980, effective 9/28/1980

    WQCC 81-1, Water Quality Standards for Interstate and Intrastate Streams in New Mexico, filed 5/5/1981, effective 6/4/1981

    WQCC 81-1, Amendment No. 1, filed 5/19/1982, effective 6/18/1982

    WQCC 81-1, Amendment No. 2, filed 6/24/1982, effective 7/26/1982

    WQCC 85-1, Water Quality Standards for Interstate and Intrastate Streams in New Mexico, filed 1/16/1985, effective 2/15/1985

    WQCC 85-1, Amendment No. 1, filed 8/28/1987, effective 9/28/1987

    WQCC 88-1, Water Quality Standards for Interstate and Intrastate Streams in New Mexico, filed 3/24/1988, effective 4/25/1988

    WQCC 91-1, Water Quality Standards for Interstate and Intrastate Streams in New Mexico, filed 5/29/1991, effective 6/29/1991

    WQCC 91-1, Amendment No. 1, filed 10/11/1991, effective 11/12/1991

    History of the Repealed Material:

    WQC 67-1, Water Quality Standards, - Superseded, 10/23/1973

    WQC 73-1, New Mexico Water Quality Standards, - Superseded, 3/11/1977

    WQC 77-2, Amended Water Quality Standards for Interstate and Intrastate Streams in New Mexico, - Superseded, 9/28/1980

    WQCC 80-1, Water Quality Standards for Interstate and Intrastate Streams in New Mexico, - Superseded, 6/4/1981

    WQCC 81-1, Water Quality Standards for Interstate and Intrastate Streams in New Mexico, - Superseded, 2/15/1985

    WQCC 85-1, Water Quality Standards for Interstate and Intrastate Streams in New Mexico, - Superseded, 4/25/1988

    WQCC 88-1, Water Quality Standards for Interstate and Intrastate Streams in New Mexico, - Superseded, 6/29/1991

    WQCC 91-1, Water Quality Standards for Interstate and Intrastate Streams in New Mexico, - Superseded, 1/23/1995

    20 NMAC 6.1, Standards for Interstate and Intrastate Streams, - Repealed, 2/23/2000

    20 NMAC 6.1, Standards for Interstate and Intrastate Surface Waters, - Repealed, 10/12/2000

[20.6.4.901 NMAC - Rp 20 NMAC 6.1.4000, 10/12/2010; A, 5/23/2005; A, 12/1/2010; A, 3/2/2017; A, 4/23/2022]