N.M. Code R. § 20.7.4.13
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
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
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.
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.
[20.7.4.13 NMAC - Rp, 20 NMAC 7.4.113, 1-26-01; A, 11-15-06; A, 1-15-11]