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Home My WebLink AboutNCS000240_Outfall Inspection Procedure_20220930Stream Walks & Storm Water Outfall Inventory Collection/Inspection: FY2021 Procedures (designed for viewing on iPhone) :A Charlotte -Mecklenburg STORM WATER Services Revised and Finalized by Hannah Meeler November 30, 2020 Modification / Review Log Version Eff. Date Author Summary of Changes Approved 1.0 09/2014 Andrew Original Draft with comments from 09/16/2014 Martin Kelly Thames, David Caldwell, and Kristen O'Reilly 2.0 08/2016 Josh DeMaury Reviewed by D. Caldwell, A. 08/17/2016 DeCristofaro, and K. O'Reilly 3.0 10/05/2017 Josh DeMaury Reviewed by J. DeMaury, D. Caldwell and K. O'Reilly. — updates to Phase I 5- 11/2017 Year Plan (Figure 1 3.0 10/03/2018 Josh DeMaury Reviewed by J. DeMaury, D. Caldwell 10/2018 and K. O'Reilly 3.0 10/21/2019 Josh DeMaury Reviewed by J. DeMaury and H. Meeler 12/20/2019 and submitted to K. O'Reilly and Craig Miller 3.0 01/07/2020 Josh DeMaury Finalized by Hannah Meeler and 01/07/2020 submitted to K. O'Reilly 3.0 11/25/2020 Josh DeMaury Finalized by Hannah Meeler and 11/25/2020 submitted to Craig Miller Program Organization County Sr. Environmental Specialist (Lead): Implement a program for walking streams, identifying and inventorying stormwater system outfalls, identifying dry weather flows, and identifying and eliminating illicit discharges and pollution sources. County Sr. Environmental Specialists: Conduct and document Stream Walk activities as assigned by the County Sr. Environmental Specialist (Lead). County Environmental Specialists: Conduct and document Stream Walk activities as assigned by the County Sr. Environmental Specialist (Lead). County Environmental Inspectors: Conduct and document Stream Walk activities as assigned by the County Sr. Environmental Specialist (Lead). Table of Contents Goals.......................................................................................................................................................................................5 Equipment............................................................................................................................................................................... 6 StreamWalk Schedule............................................................................................................................................................ 7 MapsFolder Contents............................................................................................................................................................. 8 MainMap Screen....................................................................................................................................................................9 TheMap Toolbar Overview...................................................................................................................................................10 TheLegend............................................................................................................................................................................11 Layers....................................................................................................................................................................................12 TheMap Tool and Options....................................................................................................................................................13 TheMeasuring Tool..........................................................................................................................................................16 Performing an Outfall Inspection..........................................................................................................................................17 Selectinga Feature............................................................................................................................................................17 Examining the Feature's Attributes..................................................................................................................................19 OutfallInspection Field.....................................................................................................................................................21 FYXXXX_Dry Weather Flow?............................................................................................................................................. 22 DryWeather Flow Evaluation........................................................................................................................................... 23 FYXXXX Channelization Through Buffer...........................................................................................................................24 BufferEvaluation Matrix...................................................................................................................................................25 FYXXXXComments...........................................................................................................................................................26 RequiredFields if there is a DWF......................................................................................................................................27 AddingAttachments (Photos)........................................................................................................................................... 28 Takingand Uploading the Photo...................................................................................................................................30 FinishingYour Outfall Inspection.................................................................................................................................. 31 CollectingNew Features....................................................................................................................................................... 32 Choosingthe Correct Layer to Edit....................................................................................................................................... 33 ReferenceReach................................................................................................................................................................... 36 StormWater Outfalls............................................................................................................................................................37 Storm Water Outfall Required Fields.................................................................................................................................... 38 PollutionProblems................................................................................................................................................................40 StreamBlockages..................................................................................................................................................................41 Wetlands............................................................................................................................................................................... 42 SevereBank Erosion..............................................................................................................................................................43 PrivateSanitary Aerial...........................................................................................................................................................44 FollowUp Procedure: ........................................................................................................................................................... 45 Whento Take Photos: ........................................................................................................................................................... 46 ContactInformation: ............................................................................................................................................................. 47 11 Goals Stream walks are conducted with the City of Charlotte and Mecklenburg County Storm Water Services to perform inspections of outfalls that exist in the City Storm Water G IS Inventory and to collect new features such as: • New storm water outfalls that are not currently in the inventory • Dry weather flows • Areas of severe stream bank erosion • Blockages that may contribute to flooding along FEMA streams (drain >_640 acres) • Pollution sources • Wetlands • Reference reaches • Private Sanitary Sewer Aerials 5 Equipment • i Phone • Ice packs • Backpack(s) • Engineer's scale tape measure • Cooler • Ice • YSI • Temperature probe • 100 ml Na2S303 —preserved bottles for fecal coliform samples • 250 ml H2SO4—preserved bottles for total phosphorus samples • Nitrite gloves • Safety vest • Hand sanitizer • Pens • Laboratory COCs • Bottle labels 0 Stream Walk Schedule SCALE- 111 : 4 miles DATE. 101512017 Charlotte -Mecklenburg ITEM NOLAN Ir'+_I(G} DRAWN BY. `aJD STORM li llVV1l J WATER MAP LOCATION: Services Phase I - 5 Year Plan Stream Walk Basins Phase l - IC-I(G) 7 Maps Folder Contents I od- Verizon LTE 2:51 PM < Maps LUESA FIELD GIS LUESA FIELD GIS WQ MHAP WQ Outfall Inspections 2020 I 92%Wl WQ Streamwalk FY20-21 WQ-BEHI 2020 000 .. 0 .. 0 $00 WQ-PhotoStations 2020 ••• The contents of the map folder. Our project is: "WQ Streamwalk FY20-21" 0 Main Map Screen This is the main screen of the map. It will probably open to your last location. all veri zon le 9:27 J 00% � W*- GPS accuracy 213_3 ft , required 30 fE P dg t T'■«a + � i +r ■ E f ,. � ice,■. 0 � afL 4 :f Fi r • ■ i 4 El The Map Toolbar Overview * F61 VIRFi zon IF 9: 27 AM .190% = (1+f1Q Streamwalk 'i.. This opens a search tool. It uir• 30 can search for geographic I _ names. L 1 +F L 1 { This �- %�F,q opens �y _ your map I 1Co 4 it tools and options. ti. ■ : f iJ ■ #a, J ' r 10 The Legend .d Verizon LTE 3:13 PM Cancel Collect Q Filter CITY STREAMWALKS FY2021 Beaver Dam 7 91/ imr .d Verizon LTE 3:13 PM Cancel Collect CQ Filter t Fecal Coliform Sample • Follow-up Sample 191% � - Buffer/Floodplain Disturbance _ Private Aerial Curb Cut - Problem Dry Channel • Reference Reach t Fecal Coliform Sample _ Severe Bank Erosion • Follow-up Sample 0 Storm Water Outfall Private Aerial - Stream Blockage Problem - Wetland The Legend lists the layers and symbology contained in the map. I've stitched the Legend screens together to show everything that you can see on the phone. 11 Layers .i1 Verizon LTE 3:23 PM 1 go% W, LUESA FIELD GIS �-&- Q ••• Layers a MAP LAYERS City Streamwalks FY2021 City Outfall Master 2020 WQ_FY2021_Stream Walk_Basins • FY2021_Stream Walk_Centerlines • FY2021_Stream Walk_Basins GD WQ_StreamwalkFeatures C) • Streamwalk Features GD FEMA_centerline GD • Major_System_FEMA_Stream_Cent erline 4D WQ_MobileBasemap20l9 C The Layers tab gives you control over the map's layers. The radio buttons allow you to turn layers on and off. L I 12 The Map Tool and Options This button brings up your options to access the layers/legend, any bookmarked locations, basemap options, and the measurine tool. @oil Verizon LTE 5:01 PM �q 690/. Maps Q ••• GPS accuracy 213.3 ft . required 30 ft Layers Bookmarks Basemap Measure Cancel --` 13 The Basemap Imagery This Lin s . •m11 Verizon LTE 12:08 PM 1 83% M WQ Streamwalk -1 ••• GPSrr}_:-icy 213.3 ft required 30 ft shows the default basemap, which progressively more detail as you zoom • 10 ♦ s PC - p ♦ �� rw • _a M • JC 14 The Aerial Imagery sell Verizon LTE Maps (� ... 30 ft This shows the aerial option (2018 Aerial Imagery). 4 i - p 0_ 0 O Vt 15 The Measuring Too The Measuring Tool lets you measure distance and area. sell Verizon LTE 1:35 PM 1 66%ice I, oo-� t) Done GPS accuracy 213.3 ft • required 30 ft This locates your position on the map. a Za � Mcr -I Y ti �_ by 4 2030n 2p1 ,0 - 19984 93 197 ® 1 O ^�•� 19801 r —6- - `� �-• -� Measures distance • • 194 16 Measures Area •. 10 0 mi 16