must be unique within a facility. measurement_date The – date and time a water level measurement was collected at a well. historical_reference_elev The elevation of the – reference point from which water level depth measurements were taken. water_level_depth The – depth of water below the reference point. during water_level_elev The – sampling elevation of the water level activities, calculated by subtracting synoptic the water_level_depth from rounds of the level historic_reference_elev. measurements, measured_depth_of_well or other The depth, in ft., of the – groundwater bottom of the well. monitoring The units depth_unit – events. used for measuring the water_level_depth, water_level_elev, and depth of a well. Technician The name of – person collecting the water level measurements. dry_indicator_yn – if you are able to obtain “N” a water level measurement or if the well is dry. “Y” measurement_method – The method of measuring the water table depth (e.g. water level indicator). MTDEQ requires the fields listed below be populated: sys_loc_code Sample – Contains location ID for a well that information to must be unique within a document the facility first encounter Data type The type of aquifer – with the water Providers Once per encountered such as WaterTable_v1 table and Field location “upper,” “lower,” subsequent Personnel etc. “unconfined” stabilization sequence Enter either – during drilling or “Stabilized” of a boring. depending “Unstabilized” on the water level conditions at the time of measurement.
during sampling activities, synoptic rounds of level measurements, or other groundwater monitoring events. must be unique within a facility. measurement_date – The date and time a water level measurement was collected at a well. historical_reference_elev – The elevation of the reference point from which water level depth measurements were taken. water_level_depth – The depth of water below the reference point. water_level_elev – The elevation of the water level calculated by subtracting the water_level_depth from the historic_reference_elev. measured_depth_of_well – The depth, in ft., of the bottom of the well. depth_unit – The units used for measuring the water_level_depth, water_level_elev, and depth of a well. Technician – The name of person collecting the water level measurements. dry_indicator_yn – “N” if you are able to obtain a water level measurement or “Y” if the well is dry. measurement_method – The method of measuring the water table depth (e.g. water level indicator). WaterTable_v1 Contains information to document the first encounter with the water table and subsequent stabilization during drilling of a boring. Data Providers Field Personnel Once per location MTDEQ requires the fields listed below be populated: sys_loc_code – Sample location ID for a well that must be unique within a facility type – The type of aquifer encountered such as “upper,” “lower,” “unconfined” etc. sequence – Enter either “Stabilized” or “Unstabilized” depending on the water level conditions at the time of measurement.
e-TREADS_EDD_Manual.docx