| Program Name | Description |
| about | NWISWeb Data for USA |
| annual | Water Year Statistics for USA |
| calendar | Calendar Year Statistics for USA |
| current | Real-Time Data for USA |
| doc | NWISWeb Help System |
| docs | NWISWeb Help System |
| dv | Daily Data for USA |
| dvinv | Daily-Value Inventory for USA |
| dvstat | Water Year Statistics for USA |
| feedback | NwisWeb Feedback Page for USA |
| gw | NWISWeb Data for USA |
| gwconstruction | Well Construction for USA |
| gwlevel | Ground-water levels for USA |
| gwlevels | Ground-water levels for USA |
| gwsi | Ground-water Site Inventory for USA |
| help | NWISWeb Help System |
| inventory | Site Inventory for USA |
| man | Station Home Page |
| map | Site Map for USA |
| measurement | Streamflow Measurements for USA |
| measurements | Streamflow Measurements for USA |
| monthly | Water Year Statistics for USA |
| news | NWISWeb Data for USA |
| nwis | NWISWeb Data for USA |
| nwisman | Station Home Page |
| nwismap | Site Map for USA |
| peak | Peak Streamflow for USA |
| peaks | Peak Streamflow for USA |
| pmcode | Parameter Code Definition |
| pmcodes | Parameter Code Definition |
| qw | NWISWeb Data for USA |
| qwdata | Water Quality Samples for USA |
| realtime | Real-Time Data for USA |
| review | Site Inventory for USA |
| rt | NWISWeb Data for USA |
| si | NWISWeb Data for USA |
| site | Site Inventory for USA |
| stat | Water Year Statistics for USA |
| stats | Water Year Statistics for USA |
| sw | NWISWeb Data for USA |
| uv | Daily Data for USA |
| water | Water Year Statistics for USA |
| wellconstruction | Well Construction for USA |