New Mexico Administrative Code
Title 20 - ENVIRONMENTAL PROTECTION
Chapter 7 - WASTEWATER AND WATER SUPPLY FACILITIES
Part 4 - UTILITY OPERATOR CERTIFICATION
Section 20.7.4.13 - PUBLIC WASTEWATER FACILITIES
Current through Register Vol. 35, No. 18, September 24, 2024
A. In order to operate the various types of treatment processes at public wastewater facilities, 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+ |
|
|
Raw wastewater lagoons |
SWW |
WW1 |
WW1 |
WW1 |
WW1 |
|
Aerated lagoons |
SWW |
WW2 |
WW2 |
WW2 |
WW2 |
|
Primary treatment |
SWW |
WW2 |
WW2 |
WW2 |
WW2 |
|
Primary treatment and oxidation ponds |
SWW |
WW2 |
WW2 |
WW2 |
WW2 |
|
Secondary treatment, trickling filter |
SWW |
WW2 |
WW3 |
WW3 |
WW4 |
|
Secondary treatment, aeration |
SWWA |
WW3 |
WW3 |
WW4 |
WW4 |
|
Physical-chemical treatment processes |
SWWA |
WW3 |
WW3 |
WW3 |
WW4 |
|
Advanced waste treatment process |
SWWA |
WW3 |
WW4 |
WW4 |
WW4 |
|
Phosphorous and nitrogen removal |
SWWA |
WW3 |
WW3 |
WW4 |
WW4 |
B. In order to operate collection systems at the various sizes of public wastewater facilities, the indicated level of certification shall be required:
|
Population Served |
25 to 500 |
501 to 5,000 |
5,001 to 10,000 |
10,001 to 20,000 |
20,000+ |
|
Level of Certification |
SWW |
CS1 |
CS1 |
CS2 |
CS2 |
C. In order to perform wastewater analysis for regulatory compliance at public wastewater facilities after January 1, 2011, the indicated level of certification shall be required:
|
Level of Certification Needed |
Type of Methodology Performed |
|
WWLT1 |
Analyses involving colorimetry and commercially prepared reagents, including but not limited to Dissolved Oxygen (DO) and pH by probe, and commercially available test kits. |
|
WWLT2 |
WWLT1 plus analyses involving other specific ion electrodes, titration, gravimetry, microbiology, media and standards preparation, including but not limited to Biochemical Oxygen Demand (BOD), fecal coliform, E.coli, residuals (Total Suspended Solids (TSS), Total Volatile Solids (TVS), Volatile Suspended Solids (VSS), etc.), Total Residual Chlorine (TRC) by titration, and Dissolved Oxygen by the Winkler method. |
|
WWLT3 |
WWLT1 and WWLT2 plus analyses involving digestion, distillation, spectrophotometry, chromatography, reagents and standards preparation, live organisms, including but not limited to nitrogen (Nitrate (NO3), Ammonium (NH4), Total Kjeldahl Nitrogen (TKN)), trace metals, anions, and whole effluent toxicity. |
|
SWW, SWWA, WW1, WW2, WW3, WW4, WWLT1, WWLT2 or WWLT3 |
TRC by the N-diethyl-p-phenylene-diamine (DPD) method, pH, Temperature and DO by probe. |
