Layers:

Layer: Stream Monitoring (6)

Name: Stream Monitoring

Display Field: SiteID

Type: Feature Layer

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Description: This point feature class represents fixed sampling locations along creeks, tributaries, and drainage channels where the Environmental Services Department regularly collects water samples and performs environmental testing.Environmental Monitoring & Compliance Workflow:Program Purpose: Tracks long-term surface water quality trends, identifies illicit discharge impacts, and monitors ecological health across local watersheds (e.g., Big Bear Creek, Denton Creek tributaries).Testing Parameters: Used to record field measurements and laboratory analytical data including pH, dissolved oxygen, turbidity, conductivity, temperature, bacterial indicators, and pollutant concentrations.Maintenance & Update Frequency: Periodic / As Needed (Updated when new monitoring stations are established or sampling access locations change)Process Step (Lineage Description):Station Establishment: Sampling sites selected by Environmental Services staff based on watershed coverage, access considerations, and stormwater program requirements.Attribute Integration: Station IDs, stream names, watersheds, and monitoring program protocols populated and maintained within the enterprise geodatabase.

Service Item Id: cfba511bdbea48c2adcd76eff1340ded

Copyright Text: City of Grapevine Public Works Department - Environmental Services Division, PW GIS Division

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Spatial Reference: 102100  (3857)



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• LocSubWtsd ( nullable: true, length: 75, alias: Local Sub-Watershed, type: esriFieldTypeString )
• Northing ( nullable: true, alias: Northing, type: esriFieldTypeDouble )
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Relationships:

• DBO.ENVSAMPLING_StreamSamples (0) -- Related To: Stream Samples (7)

Layer: Water Backflows (5)

Name: Water Backflows

Display Field: CARTE_ID

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: Water Backflows as managed by Environmental Services Department in Cartegraph OMS. Next Test Date is auto generated in OMS one year from the Current Test Date. Inactive backflows are not shown.

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Copyright Text:

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Layer: Smartscape (1)

Name: Smartscape

Display Field: Location

Type: Feature Layer

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Description: City of Grapevine areas planted using xeriscape principles using guidelines published by North Central Texas Smartscape http://www.txsmartscape.com/

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Copyright Text: Grapevine Public Works GIS

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Layer: Trash Routes (2)

Name: Trash Routes

Display Field: Days

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Updated May 2019 with information from Environmental Services and Allied Waste Services REQUIRED: Restrictions and legal prerequisites for using the data set after access is granted.

Service Item Id: cfba511bdbea48c2adcd76eff1340ded

Copyright Text: Grapevine Public Works GIS

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Layer: Recycle Routes (3)

Name: Recycle Routes

Display Field: Day

Type: Feature Layer

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Description: Updated April 2017 with information from Environmental Services and Allied Waste Services REQUIRED: Restrictions and legal prerequisites for using the data set after access is granted.

Service Item Id: cfba511bdbea48c2adcd76eff1340ded

Copyright Text: Grapevine Public Works GIS

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Layer: Brush Routes (4)

Name: Brush Routes

Display Field: Day

Type: Feature Layer

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Description: Updated April 2017 with information from Environmental Services and Allied Waste Services REQUIRED: Restrictions and legal prerequisites for using the data set after access is granted.

Service Item Id: cfba511bdbea48c2adcd76eff1340ded

Copyright Text: Grapevine Public Works GIS

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Tables:

Table: Stream Samples (7)

Name: Stream Samples

Display Field: WeatherCond

Type: Table

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Description: This related table logs individual water sampling events conducted by the Environmental Services Department. Multiple sample records link back to a single parent monitoring site over time, establishing a historical time-series of watershed health and physical/chemical water conditions.Collected Parameters & Automated Alerts:Physical & Environmental Conditions: Tracks sampling timestamp, ambient weather, flow conditions, visual water clarity/color, air and water temperatures, and physical flow rates ($m/s$).Water Chemistry & Pollutants: Measures key field indicators ($pH$, $DO$, Turbidity, Specific Conductance, TDS, Salinity) and tests for potential illicit discharges or contaminant indicators (Chlorine, Heavy Metals like $Cu$ and $Cr$, Detergents, Phenol, Ammonia, and Bacteria).Automated Exceedance Indicators: Contains calculated warning fields (pHWarningHigh, TurbWarningExtraHigh, DOWarningLow, etc.) used in ArcGIS web applications and dashboards to instantly flag parameter values that exceed environmental safety or regulatory thresholds.Maintenance & Update Frequency: Continual / Event-Driven (Updated directly by field staff following each sampling event)Process Step (Lineage Description):Field Collection: Environmental Services staff log water quality measurements directly in the field using mobile GIS apps (e.g., ArcGIS Field Maps or Survey123).Relationship Linking: Each submitted record captures the parent station's GlobalID into the SiteIdentifier GUID field to maintain the $1:M$ relationship class.Threshold Checking: Analytical results populate warning fields automatically or during field entry if measured values fall outside expected water quality standard ranges.

Service Item Id: cfba511bdbea48c2adcd76eff1340ded

Copyright Text: City of Grapevine Public Works Department - Environmental Services Division, PW GIS Division.

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• created_date ( nullable: true, length: 8, alias: created_date, type: esriFieldTypeDate )
• last_edited_user ( nullable: true, length: 255, alias: last_edited_user, type: esriFieldTypeString )
• last_edited_date ( nullable: true, length: 8, alias: last_edited_date, type: esriFieldTypeDate )
• AirTemp ( nullable: true, alias: Air Temperature, type: esriFieldTypeSingle )
• WaterTemp ( nullable: true, alias: Water Temperature, type: esriFieldTypeSingle )
• pH ( nullable: true, alias: pH, type: esriFieldTypeSingle )
• Turbidity ( nullable: true, alias: Turbidity, type: esriFieldTypeSingle )
• DissolvedOxygen ( nullable: true, alias: Dissolved Oxygen (DO), type: esriFieldTypeSingle )
• SpecificConductance ( nullable: true, alias: Specific Conductance (SC), type: esriFieldTypeSingle )
• Salinity ( nullable: true, alias: Salinity (Sal), type: esriFieldTypeSingle )
• TotalDissolvedSolids ( nullable: true, alias: Total Dissolved Solids (TDS), type: esriFieldTypeSingle )
• Chlorine ( nullable: true, alias: Chlorine (Cl2), type: esriFieldTypeSingle )
• Copper ( nullable: true, alias: Copper (Cu), type: esriFieldTypeSingle )
• Detergent ( nullable: true, alias: Detergent, type: esriFieldTypeSingle )
• PhenolicCompounds ( nullable: true, alias: Phenolic Compounds (Phenol), type: esriFieldTypeSingle )
• Ammonia ( nullable: true, alias: Ammonia, type: esriFieldTypeSingle )
• Chromium ( nullable: true, alias: Chromium, type: esriFieldTypeSingle )
• Bacteria ( nullable: true, alias: Bacteria?, type: esriFieldTypeSingle )
• FlowMeasure ( nullable: true, alias: Flow Measure (m/s), type: esriFieldTypeSingle )
• pHWarningHigh ( nullable: true, length: 255, alias: pH Warning High, type: esriFieldTypeString )
• pHWarningLow ( nullable: true, length: 255, alias: pH Warning Low, type: esriFieldTypeString )
• TurbWarningHigh ( nullable: true, length: 255, alias: Turb Warning High, type: esriFieldTypeString )
• TurbWarningExtraHigh ( nullable: true, length: 255, alias: Turb Warning Extra High, type: esriFieldTypeString )
• DOWarningLow ( nullable: true, length: 255, alias: DO Warning Low, type: esriFieldTypeString )
• DOWarningExtraLow ( nullable: true, length: 255, alias: DO Warning Extra Low, type: esriFieldTypeString )
• DOWarningExtremelyLow ( nullable: true, length: 255, alias: DO Warning Extremel Low, type: esriFieldTypeString )
• SpecificCondWarningMod ( nullable: true, length: 255, alias: Specific Conductance Warning Moderate, type: esriFieldTypeString )
• SpecificCondWarningHigh ( nullable: true, length: 255, alias: Specific Conductance Warning High, type: esriFieldTypeString )
• SalinityWarningHigh ( nullable: true, length: 255, alias: Salinity Warning High, type: esriFieldTypeString )
• TDSWarningModeratelyHigh ( nullable: true, length: 255, alias: TDS Warning Moderately High, type: esriFieldTypeString )
• TDSWarningHigh ( nullable: true, length: 255, alias: TDS Warning High, type: esriFieldTypeString )
• TDSWarningExtremelyHigh ( nullable: true, length: 255, alias: TDSWarningExtremelyHigh, type: esriFieldTypeString )
• ChlorineWarningHigh ( nullable: true, length: 255, alias: Chlorine Warning High, type: esriFieldTypeString )
• CopperWarningMod ( nullable: true, length: 255, alias: Copper Warning Moderate, type: esriFieldTypeString )
• CopperWarningHigh ( nullable: true, length: 255, alias: Copper Warning High, type: esriFieldTypeString )
• DetergentWarningMod ( nullable: true, length: 255, alias: Detergent Warning Moderate, type: esriFieldTypeString )
• DetergentWarningHigh ( nullable: true, length: 255, alias: Detergent Warning High, type: esriFieldTypeString )
• PhenCompWarningMod ( nullable: true, length: 255, alias: Phenolic Compounds Warning Moderate, type: esriFieldTypeString )
• PhenCompWarningHigh ( nullable: true, length: 255, alias: Phenolic Copmpounds Warning High, type: esriFieldTypeString )
• PhenCompWarningExHigh ( nullable: true, length: 255, alias: Phenolic Compounds Warning Extra High, type: esriFieldTypeString )
• AmmoniaWarning ( nullable: true, length: 255, alias: Ammonia Warning, type: esriFieldTypeString )
• ChromiumWarning ( nullable: true, length: 255, alias: Chromium Warning, type: esriFieldTypeString )

Relationships:

• DBO.ENVSAMPLING_StreamMonitoring (0) -- Related To: Stream Monitoring (6)