5 Colo. Code Regs. § 1002-41.3

Current through Register Vol. 47, No. 11, June 10, 2024

Section 5 CCR 1002-41.3 - DEFINITIONS

The following definitions are applicable to these regulations.

1. "Activity" is any operation that may discharge or cause a discharge of pollutants to groundwaters including but not limited to, point source discharges, pits, ponds, and lagoons used for storage, treatment and/or disposal of pollutants, land application of wastewater, and non-point source discharges. Activity shall not include related operations, no matter how closely integrated physically or legally.

2. "Agricultural Uses" are the existing or potential future uses of groundwater for the cultivation of soil, the production of crops, and/or the raising of livestock.

3. "Background Level" is the level of any parameter in the groundwater within a specified area as determined by representative measurements of the groundwater quality unaffected by the activity.

4. "Contamination" is that condition where the concentration level of a pollutant exceeds naturally occurring background levels.

5. "Domestic Uses" are those existing or potential future uses of groundwater for household or family use, including, but not limited to: drinking, gardening, municipal, and/or farmstead uses.

6. "Existing Activity" means any activity whose plans and specifications have been approved by the Division, or which has commenced or completed construction, prior to the effective date of the 1990 amendments to this regulation.

7. "Groundwater" are subsurface waters in a zone of saturation which are or can be brought to the surface of the ground or to surface waters through wells, springs, seeps or other discharge areas.

8. "New Activity" means any activity that does not qualify as an existing activity.

9. "Parameter" is the physical, chemical, biological, or radiological constituent or characteristic of the groundwater such as; temperature, pH, and groundwater level.

10. "Point Of Compliance" means a vertical surface that is located at some specified distance hydrologically downgradient of the activity being monitored for compliance; provided that the Commission may establish a point of compliance other than a vertical surface on a site-specific basis pursuant to section 41.6 (E).

11. "Site Boundary" means the outermost perimeter of the property or lease boundary of a facility for which the owner and/or operator has control.

12. "Specified Area" is that area within which the groundwater is classified.

13. "Standard" is a narrative and/or numeric restriction established by these regulations and applied to groundwaters to protect one or more existing or potential future uses.

14. "TDS" is the total dissolved solids in water.

5 CCR 1002-41.3

39 CR 11, June 10, 2016, effective 6/30/2016

39 CR 23, December 10, 2016, effective 12/30/2016

43 CR 11, June 10, 2020, effective 6/30/2020