| #Q001 | operational | unknown | guidance | Threshold Usage Permission | drinking water, wastewater, agricultural water, aquatic life, other | These thresholds may be used to assess whether beneficial uses of surface water or groundwater are likely to be impaired or threatened. | | high |
| #Q002 | administrative | operational | recommended | Staff Report Review Recommendation | other | To avoid improper use of the numeric thresholds contained in the database, users are strongly encouraged to carefully review the Water Quality Goals Staff Report. | To avoid improper use of the numeric thresholds contained in the database | high |
| #Q003 | administrative | unknown | mandatory | List Subscription Confirmation | other | After subscribing, you will need to check your email host for a confirmation email to complete the subscription. | After subscribing | high |
| #Q004 | administrative | reporting | mandatory | NPDES General Permit Coverage Requirement | wastewater, other | Dischargers whose projects disturb one (1) or more acres of soil or whose projects disturb less than one acre but are part of a larger common plan of development that in total disturbs one or more acres, are required to obtain coverage under the National Pollutant Discharge Elimination System (NPDES) General Permit for Stormwater Discharges Associated with Construction and Land Disturbance Activities. | Projects disturb one (1) or more acres of soil or are part of a larger common plan of development that in total disturbs one or more acres | high |
| #Q005 | administrative | reporting | mandatory | Lake Tahoe Basin Permit Application Requirement | wastewater, other | Owners of construction projects in this watershed must apply for the Regional Water Board permit rather than the statewide permit. | Construction projects in the Lake Tahoe Hydrologic Unit watershed | high |
| #Q006 | reporting | reporting | mandatory | Biennial Surface Water Quality Reporting | aquatic life, recreational water, other | The federal Clean Water Act (“CWA”) requires that California report on the quality of its surface waterbodies (such as rivers, streams, reservoirs, estuaries, lagoons, bays, and ocean waters) every two years. | | high |
| #Q007 | administrative | operational | mandatory | 303(d) List Adoption Requirement | other | The State Water Resources Control Board adopts the 303(d) list prior to submittal to the U.S. EPA for final approval. | Prior to submittal to the U.S. EPA | high |
| #Q008 | administrative | reporting | recommended | Email Update Subscription Recommendation | other | For the most up to date information, please subscribe to the State Water Resources Control Boards Integrated Report 303(d)/305(b) email list. | To receive notifications and the latest updates | high |