| View | ObservationWellReport.AquiferParametersMeasured | Were aquifer parameters (transmissivity and storativity) determined – yes or no. |
| View | ObservationWellReport.ChangeToAddressProblem | Describe change or mitigation method used to address the interference problem. (i.e. connected impacted source to public water system, driller source deeper, etc.) |
| View | ObservationWellReport.CommentAquiferAnalysis | Comment on aquifer analysis. |
| View | ObservationWellReport.CommentExistingDemand | Comment on method used to calculate Average Daily Demand or Project Design Flow (i.e. number of bedrooms X appropriate flow in GPD (then converted to GPM). Permitted Yield should be used if Observation Source is part of a Public Water System. |
| View | ObservationWellReport.CommentInterferenceCalc | Provide comment on interference calculation. |
| View | ObservationWellReport.CommentInterferenceProblem | Provide comment on interference problem. |
| View | ObservationWellReport.CommentYield | Provide explanation of method used to determine the yield above |
| View | ObservationWellReport.ConsultantSourceNum | Consultant Source Name or Number - this may be a name or number (i.e. Well 1, KB-1, Perry Spring, etc.) |
| View | ObservationWellReport.DateConstructed | Date the well was drilled or the spring or dug well was constructed. (MM-DD-YYYY) |
| View | ObservationWellReport.DateOfChange | Date of change or mitigation. |
| View | ObservationWellReport.Depth | Total depth of well or spring below top of casing (BTOC) in feet. |
| View | ObservationWellReport.DesignDrawdown | Design drawdown based on 180 days for TNC and NTNC sources and 180 days average rate X 3 or 7 days at maximum rate for PCWS (in feet below top of casing). For PCWS Residential usage apply 3 days at max rate, for recreational or resort area use apply 7 days at max rate. |
| View | ObservationWellReport.Direction | Direction Observation Source is from Production Well (i.e. North, South, Southeast). |
| View | ObservationWellReport.Distance | Distance from production well in feet. |
| View | ObservationWellReport.DrillersLWBF | Driller’s Lowest Water-bearing Fracture (in feet below top of casing). |
| View | ObservationWellReport.ExistingDemand | Existing demand (Average daily demand or project design flow) on the residence or building supplied by the well or spring in gallons per minute. Demand can be estimated using 150 gallons per day per bedroom for a residential unit. Convert the daily demand from GPD to GPM. |
| View | ObservationWellReport.HydraulicBase | Hydraulic Base used in calculations (in feet below top of casing). |
| View | ObservationWellReport.HydraulicBaseBasis | Provide basis for how Hydraulic Base was chosen. Note: the higher of: pump depth, intake level, lowest water bearing fracture or other water level should be used to choose the Hydraulic Base. |
| View | ObservationWellReport.IntakeDepth | Depth of intake if no pump in source (spring) (in feet below top of casing). |
| View | ObservationWellReport.Interference | Was any Interference identified in the Observation Well or Spring – Yes or No. |
| View | ObservationWellReport.InterferenceLossYield | Calculated loss of yield in GPM based on interference at design conditions using ½ driller’s yield or ¼ spring yield or permitted yield (if public water system). |
| View | ObservationWellReport.InterferencePercentLossYield | Calculated loss of yield as a percent of original yield based on interference at design conditions. |
| View | ObservationWellReport.InterferenceProblem | Determine whether there is an undue adverse impact due to interference – Yes or No. Due to interference there is not enough yield left to meet the daily demand. |
| View | ObservationWellReport.Latitude | Latitude of observation source location (Decimal degrees) from consultant. |
| View | ObservationWellReport.LatitudeLongitudeComment | DWGWPD comment on choice of one set of coordinates over the other (greater accuracy or no record of location). |
| View | ObservationWellReport.Longitude | Longitude of observation source location (Decimal degrees) from consultant. |
| View | ObservationWellReport.ObservedDrawdown | Observed drawdown in Observation Source (in feet below top of casing). |
| View | ObservationWellReport.OBsSourceStatus | Status of Observation Source – active, inactive, unused. |
| View | ObservationWellReport.OtherHydraulicBase | Hydraulic Base used if other than pump depth, lowest water bearing fracture, or intake (in feet below top of casing). |
| View | ObservationWellReport.OtherReports | Comments regarding any other Source Evaluation Reports associated with observed well interference. |
| View | ObservationWellReport.OwnerName | Name of the Owner of the Observation Source (i.e. John Smith, Jay Peak). |
| View | ObservationWellReport.PCWSWellTINWSFNum | Observation Well or Spring Facility ID number assigned by DWGWPD if this observation source is part of a Public Water System (i.e. WL001). This is a required field along with WSID. If not a Public System source, leave blank. |
| View | ObservationWellReport.PumpDepth | Depth of pump (in feet below top of casing). |
| View | ObservationWellReport.RemainingTAH | Remaining Total Available Head in feet. Total Available Head minus design drawdown (interference). |
| View | ObservationWellReport.RemainingYield | Remaining yield in GPM. Original yield (using ½ driller’s yield or ¼ spring yield or permitted yield) minus Interference Loss in Yield. |
| View | ObservationWellReport.S | Storativity value (unitless). |
| View | ObservationWellReport.SourceType | Source type: well point, dug well, gravel well, bedrock well or spring (non-pumped). |
| View | ObservationWellReport.StaticLevel | Static level (in feet below top of casing) before pumping testing. |
| View | ObservationWellReport.StaticLevelBasis | Comment on static level measurement. |
| View | ObservationWellReport.StaticLevelDate | Date of static level measurement. (MM-DD-YYYY) |
| View | ObservationWellReport.T | Transmissivity value in Square feet/day. |
| View | ObservationWellReport.TAH | Total Available Head. This is the Static Level minus Hydraulic Base in feet below top of casing. |
| View | ObservationWellReport.TAHLost | Calculate loss in Total Available Head in feet due to Production Well interference at design drawdown rate. |
| View | ObservationWellReport.TAHPercentLost | Calculate loss in Total Available Head (TAH) as a percent of the original TAH based on design conditions. |
| View | ObservationWellReport.Town | Town where observation source is located. |
| View | ObservationWellReport.WellID | Unique ID number for public or non-public observation sources. (from the Record ID field in WaterWell_ALLPVTWELLS or Missing Wells databases). Sources (springs and dug wells with no Well Completion Reports) not linked to Well databases were given a new Well ID number with 200,000 plus the Object ID value. |
| View | ObservationWellReport.WellReportNumber | Well Completion Report number, if known. |
| View | ObservationWellReport.WSIDNumber | Water System Identification Number assigned by DWGWPD for the Public Water System (i.e. WSID 5609) that the observation source is a part of. This is a required field. If not a Public System, leave blank. |
| View | ObservationWellReport.Yield | Driller’s estimated yield, spring yield, or permitted yield. Note: ½ the Driller’s yield will be used in interference calculations or spring yield lacking a flow study will need to use ¼ of the measured flow. |
| View | ProductionWellReport.BedrockUnit | Describe bedrock type or formation at well based on most recent Geologic Map of Vermont. |
| View | ProductionWellReport.CDTS | Storativity value from constant discharge test (unitless). |
| View | ProductionWellReport.CDTSupercedes | Yes or No. Note indicating if this constant discharge test supersedes a previously completed constant discharge test. |
| View | ProductionWellReport.CDTT | Transmissivity value from constant discharge test in Square feet/day. |
| View | ProductionWellReport.CommentWellInfo | Comment on completeness of Production Well and Observation Source data from the Source Evaluation Report. |
| View | ProductionWellReport.DrillersLWBF | Driller’s Lowest Water-bearing Fracture (in feet below top of casing). |
| View | ProductionWellReport.DrillersStaticLevel | Static level (in feet below top of casing) after construction. |
| View | ProductionWellReport.OtherHydraulicBase | Hydraulic Base used if other than pump depth, lowest water bearing fracture, or intake (in feet below top of casing). |
| View | ProductionWellReport.OtherHydraulicBaseNote | Explain how and why the Other Hydraulic Base was chosen. |
| View | ProductionWellReport.OverburdenType | Indicate overburden noted on well completion report, if available. |
| View | ProductionWellReport.PCWSSourceSitingRational | Describe method(s) used to pick Production Well location. |
| View | ProductionWellReport.PermittedDrawdown | Drawdown permitted from previous Source Approval (VDH) or Permit (DEC). |
| View | ProductionWellReport.PID | Project Identification Number assigned by DWGWPD. This may be a number, or a number with a prefix of E-, V-, S-, N-, or T- (i.e. S-1191). This is a required field. |
| View | ProductionWellReport.PumpSettingInTest | Depth to pump intake used in discharge test (in feet below top of casing). |
| View | ProductionWellReport.ScreenBottomDepth | If Production Well is a gravel well with a screen. |
| View | ProductionWellReport.ScreenTopDepth | If Production Well is a gravel well with a screen. |
| View | ProductionWellReport.SourceHydraulicBase | Hydraulic Base used in calculations (in feet below top of casing). Note: the higher of: pump intake depth, lowest water bearing fracture, constant discharge test drawdown or other water level should be used to choose the Hydraulic Base. |
| View | ProductionWellReport.STB | Aquifer Head loss coefficient (B) from step-drawdown test in feet/gpm. |
| View | ProductionWellReport.STC | Turbulent Head loss coefficient (C) from step-drawdown test |
| View | ProductionWellReport.SurficialUnit | Describe surficial geologic unit at well (based on 1970 Surficial Geologic Map of Vermont or more recent map). |
| View | ProductionWellReport.TAH | Total Available Head. This is the Static Level minus Hydraulic Base in feet below top of casing. |
| View | ProductionWellReport.Town | Town where Production Well is located. |
| View | ProductionWellReport.ttats0 | value at t/t' when drawdown = 0 based on recovery test data in minutes. |
| View | ProductionWellReport.WellAnalysisMethod | Comments regarding aquifer analysis method(s) used to develop the proposed source yield. |
| View | ProductionWellReport.WellAnalysisOtherNote | Any additional notes on the well yield analysis and interference. |
| View | ProductionWellReport.WellReportNumber | Well Completion Report number, if known. |
| View | ProductionWellReport.WellTagNumber | Well Tag number, if known. For newer wells, the tag number may be the same as the Well Completion Report number. |
| View | ProductionWellReport.WSIDNumber | Water System Identification Number assigned by DWGWPD for the Public Water System (i.e. WSID 5609) that the Production Well is a part of. This is a required field. |
