| align_nhdplus_names | Align NHD Dataset Names |
| calculate_arbolate_sum | Calculate Arbolate Sum |
| calculate_total_drainage_area | Total Drainage Area |
| discover_nhdplus_id | Discover NHDPlus ID |
| discover_nldi_navigation | Discover NLDI Navigation Options |
| discover_nldi_sources | Discover NLDI Sources |
| download_nhdplushr | Download NHDPlus HiRes |
| download_nhdplusv2 | Download seamless National Hydrography Dataset Version 2 (NHDPlusV2) |
| download_rf1 | Download the seamless Reach File (RF1) Database |
| download_wbd | Download the seamless Watershed Boundary Dataset (WBD) |
| get_DD | Navigate Downstream with Diversions |
| get_DM | Navigate Downstream Mainstem |
| get_flowline_index | Get Flowline Index |
| get_hr_data | Get NHDPlus HiRes Data |
| get_levelpaths | Get Level Paths |
| get_nhdplushr | Get NHDPlus HiRes |
| get_nldi_basin | Get NLDI Basin Boundary |
| get_nldi_feature | Get NLDI Feature |
| get_pathlength | Get path length |
| get_pfaf | Get Pfafstetter Codes (Experimental) |
| get_streamorder | Get Streamorder |
| get_terminal | Get Terminal ID |
| get_UM | Navigate Upstream Mainstem |
| get_UT | Navigate Upstream with Tributaries |
| make_standalone | Make isolated NHDPlusHR region a standalone dataset |
| navigate_nldi | Navigate NLDI |
| nhdplus_path | NHDPlus Data Path |
| plot_nhdplus | Plot NHDPlus |
| prepare_nhdplus | Prep NHDPlus Data |
| stage_national_data | Stage NHDPlus National Data |
| subset_nhdplus | Subset NHDPlus |