New Mexico Administrative Code
Title 20 - ENVIRONMENTAL PROTECTION
Chapter 7 - WASTEWATER AND WATER SUPPLY FACILITIES
Part 4 - UTILITY OPERATOR CERTIFICATION
Section 20.7.4.12 - PUBLIC WATER SUPPLY SYSTEMS
Current through Register Vol. 35, No. 18, September 24, 2024
A. In order to operate the various types of treatment processes at public water supply systems, the indicated level of certification shall be required:
|
Type of Treatment Process |
Population Served |
||||
|
25 to 500 |
501 to 5,000 |
5,001 to 10,000 |
10,001 to 20,000 |
20,000+ |
|
|
Filtration (sand, gravity) |
SWA |
WS3 |
WS3 |
WS3 |
WS4 |
|
Coagulation, sedimentation, filtration |
SWA |
WS3 |
WS3 |
WS4 |
WS4 |
|
Chemical precipitation (Mn, Fe, softening) |
SWA |
WS3 |
WS3 |
WS4 |
WS4 |
|
Aeration |
SW |
WS2 |
WS3 |
WS3 |
WS4 |
|
Odor and taste control (activated carbon) |
SW |
WS2 |
WS3 |
WS3 |
WS4 |
|
Chemical addition (stabilization) |
SW |
WS2 |
WS2 |
WS3 |
WS4 |
|
Pressure filtration |
SWA |
WS2 |
WS2 |
WS3 |
WS4 |
|
Ion exchange (softening, defluoridation) |
SWA |
WS2 |
WS3 |
WS3 |
WS4 |
|
Chlorination |
SW |
WS2 |
WS2 |
WS3 |
WS4 |
|
Fluoridation |
SW |
WS2 |
WS2 |
WS3 |
WS4 |
|
Arsenic removal |
SWA |
WS3 |
WS3 |
WS3 |
WS4 |
|
Radionuclide removal |
SWA |
WS3 |
WS3 |
WS3 |
WS4 |
|
Special, such as desalinization |
SWA |
WS4 |
WS4 |
WS4 |
WS4 |
|
Production, ground water only |
SW |
WS1 |
WS2 |
WS3 |
WS4 |
B. In order to operate various types of distribution systems at public water supply systems, the indicated level of certification shall be required:
|
Type of Distribution Systems |
Population Served |
||||
|
25 to 500 |
501 to 5,000 |
5,001 to 10,000 |
10,001 to 20,000 |
20,000+ |
|
|
Distribution of treated surface water |
SW |
DS2 |
DS2 |
DS2 |
DS3 |
|
Distribution of chlorinated groundwater |
SW |
DS2 |
DS2 |
DS2 |
DS3 |
|
Distribution of unchlorinated groundwater |
SW |
DS1 |
DS2 |
DS2 |
DS3 |
C. In order to perform the various types of water sampling at public water supply systems after January 1, 2008, the indicated level of certification shall be required:
|
Type of Water Sampling |
Population Served |
||||
|
25 to 500 |
501 to 5,000 |
5,001 to 10,000 |
10,001 to 20,000 |
20,000+ |
|
|
Microbiology |
SW or WST1 |
WST1 |
WST1 |
WST1 |
WST1 |
|
Chemical and Radiological |
WST2 |
WST2 |
WST2 |
WST2 |
WST2 |
