Wisconsin Administrative Code › Department of Natural Resources › NR 500-599 - Environmental Protection - Solid Waste Management › Chapter NR 507 - Environmental Monitoring For Landfills › Appendix I - BASELINE AND DETECTION MONITORING REQUIREMENTS

Current through June 24, 2024
Table 1
DETECTION GROUNDWATER MONITORING FOR LANDFILLS ACCEPTING
				  MUNICIPAL SOLID WASTE
Waste Type
Detection
								Parameters1
Frequency for All
								Wells
Frequency for Subtitle D
								Wells
Municipal solid waste
Alkalinity
Chloride
Field conductivity (at 25°C)
Field pH
Field temperature
Groundwater elevation
Hardness
Semi-annual
Semi-annual
VOC
								scan2
Annual
Semi-annual
Municipal solid waste combustor
								residue
Alkalinity
Boron
Cadmium
Chloride
Field conductivity (at 25°C)
Field pH
Field temperature
Groundwater elevation
Hardness
Lead
Selenium
Sulfate
Semi-annual
Semi-annual
1 Additional parameters are
				  required if other waste types are accepted at the landfill. See Table 2.
2 Refer to ch. NR 507 Appendix III
				  for a list of the individual volatile organic compounds required for a VOC
				  Scan.
Table 1A
DETECTION GROUNDWATER MONITORING FOR CCR WELLS AT CCR
				  LANDFILLS
Waste Type
Detection
								Parameters1
Monitoring Frequency
Coal combustion residuals
Alkalinity
Boron
Calcium
Chloride
Fluoride
Field conductivity (at 25°C)
Field pH
Field temperature
Groundwater elevation
Hardness
Total Dissolved Solids (TDS)
Sulfate
Semi-annual
1 Groundwater samples collected at
				  CCR wells must be unfiltered.
Table 2
DETECTION GROUNDWATER MONITORING FOR LANDFILLS ACCEPTING
				  WASTE TYPES OTHER THAN MUNICIPAL SOLID WASTE
Waste Type
Detection Parameters
Frequency for All Wells
Paper mill sludge
Ammonia nitrogen
Alkalinity
Chloride
COD
Field conductivity (at 25°C)
Field pH
Field temperature
Groundwater elevation
Hardness
Nitrate + Nitrite (as N)
Sulfate
Semi-annual
Fly or bottom
								ash1
Alkalinity
Boron
COD
Field conductivity (at 25°C)
Field pH
Field temperature
Groundwater elevation
Hardness
Sulfate
Semi-annual
Foundry waste
Alkalinity
COD
Field conductivity (at 25°C)
Field pH
Field temperature
Fluoride
Groundwater elevation
Hardness
Sodium
Semi-annual
Demolition waste
Demolition monitoring requirements are listed in
								ch. NR 503
Other solid waste
As specified in writing by the
								department
1 Detection monitoring parameters
				  apply to all wells monitoring CCR landfills that are not defined as CCR wells
				  under s. NR 500.03 (26y).
Table 3
BASELINE AND ASSESSMENT GROUNDWATER MONITORING PUBLIC HEALTH
				  AND WELFARE PARAMETERS
All Wells
Additional Parameters for Subtitle D
								Wells
Additional Parameters for CCR
								Wells
Arsenic
Barium
Cadmium
Chromium
Copper
Fluoride
Lead
Manganese
Mercury
Nitrate + Nitrite (as N)
Selenium
Silver
Sulfate
Zinc
Antimony
Beryllium
Cobalt
Nickel
Thallium
Vanadium
Antimony
Beryllium
Cobalt
Lithium
Molybdenum
Thallium
Ra-226 and Ra-228,
								combined1
1 The maximum contaminant level
				  (MCL) for combined radium is 5 pCi/L under s. NR 809.50 (1) (a).
Table 4
DETECTION LEACHATE MONITORINGFOR ALL
				  LANDFILLS1,2
Municipal Solid Waste and Municipal
								Solid Waste Combustor Residue
Paper Mill Sludge
Fly or Bottom Ash
Foundry Waste
The volume of the leachate removed shall be
								recorded at least monthly and reported to the department
								semi-annually.
Semi-Annual Monitoring
								Parameters
BOD5
Field conductivity (at 25°C)
Field pH
Alkalinity
Cadmium
Chloride
COD
Hardness
Iron
Lead
Manganese
Mercury
Ammonia nitrogen
Total Kjeldahl nitrogen
Sodium
Sulfate
Total suspended solids
VOC scan3
Other parameters specified by waste type in this
								table if accepted at the landfill
BOD5
Field conductivity (at 25°C)
Field pH
Alkalinity
Cadmium
Chloride
COD
Hardness
Iron
Lead
Manganese
Mercury
Ammonia nitrogen
Total Kjeldahl nitrogen
Sodium
Sulfate
Total suspended solids
VOC
								scan3
BOD5
Field conductivity (at 25°C)
Field pH
Alkalinity
Boron
Cadmium
Chloride
COD
Hardness
Iron
Lead
Manganese
Mercury
Selenium
Total suspended solids
Additional Parameters for CCR
								Landfills
Antimony
Beryllium
Cobalt
Fluoride
Lithium
Molybdenum Ra226 and
								Ra228 combined
Sulfate
Thallium
BOD5
Annual Monitoring
								Parameters
Semivolatile organic compound
								scan4
Semivolatile organic compound
								scan4
Semivolatile organic compound
								scan4
Semivolatile organic compound
								scan4
1 Leachate monitoring for other
				  solid waste not included in this table may be done as specified by the
				  department in writing.
2 Leachate samples may not be
				  filtered. The color, odor and turbidity shall also be noted for all
				  samples.
3 Refer to ch. NR 507 Appendix III
				  for a list of the individual volatile organic compounds required for a VOC
				  Scan.
4 Refer to ch. NR 507 Appendix IV
				  for a list of the individual semivolatile organic compounds required for a
				  semivolatile organic compound scan.
Table 5
DETECTION LYSIMETER MONITORING FOR ALL
				  LANDFILLS1,2
Municipal Solid
								Waste
Municipal Solid Waste Combustor
								Residue
Paper Mill Sludge
Fly or Bottom Ash
Foundry Waste
The volumes of lysimeter fluid removed shall be
								recorded and be reported to the department semi-annually.
Semi-annual Monitoring
								Parameters
Field conductivity (at 25°C)
Field pH
Alkalinity
Hardness
Chloride
COD
Total Kjeldahl nitrogen
Sodium
Sulfate
Other parameters specified by waste type in this
								table if accepted at the landfill
Field conductivity (at 25°C)
Field pH
Alkalinity
Cadmium
Hardness
Chloride
COD
Lead
Total Kjeldahl nitrogen
Sodium Sulfate
Field conductivity (at 25°C)
Field pH
Alkalinity
Hardness
Chloride
COD
Total Kjeldahl nitrogen
Sodium
Sulfate
Field conductivity (at 25°C)
Field pH
Alkalinity
Boron
Hardness
Chloride
COD
Total Kjeldahl nitrogen
Sulfate
Field conductivity (at 25°C)
Field pH
Alkalinity
Hardness
Chloride
COD
Fluoride
Total Kjeldahl nitrogen
Sulfate
Annual Monitoring
								Parameters
VOC
								scan3
VOC
								scan3
VOC
								scan3
VOC scan3
1 Lysimeter monitoring for
				  landfills accepting waste not included in this table shall be done as specified
				  by the department in writing.
2 Lysimeter samples may not be
				  filtered. When only small sampling volumes are obtained, the VOC scan shall
				  take precedence. The color, odor and turbidity shall also be noted for all
				  samples.
3 Refer to ch. NR 507 Appendix III
				  for a list of the individual volatile organic compounds required for a VOC
				  scan.