| #R001 | operational | operational | recommended | Data Acquisition Recommendation | drinking water, wastewater, agricultural water, aquatic life, recreational water, other | It is strongly recommended that this data is directly acquired from the distributor and not indirectly through other sources which may have changed the data in some way. | General data acquisition | high |
| #R002 | operational | operational | recommended | Scale Usage Restriction | drinking water, wastewater, agricultural water, aquatic life, recreational water, other | These data should not be used at scales greater than 1:24,000 for the purpose of identifying hydrographic watershed boundary feature locations in the United States. | identifying hydrographic watershed boundary feature locations in the United States | high |
| #R003 | administrative | operational | mandatory | User Application Responsibility | drinking water, wastewater, agricultural water, aquatic life, recreational water, other | The Watershed Boundary Dataset is public information and may be interpreted by all organizations, agencies, units of government, or others based on needs; however, they are responsible for the appropriate application of the data. | Interpretation of dataset information | high |
| #R004 | operational | operational | mandatory | Latest Version Procurement | drinking water, wastewater, agricultural water, aquatic life, recreational water, other | Digital data files are periodically updated and users are responsible for obtaining the latest version of the data from the source distributor. | General use of updated data files | high |
| #R005 | prohibition | operational | mandatory | Authority Reassignment Prohibition | drinking water, wastewater, agricultural water, aquatic life, recreational water, other | Federal, State, or local regulatory bodies are not to reassign to the U.S. Department of Agriculture-Natural Resources Conservation Service or the U.S. Geological Survey any authority for the decisions they make. | Regulatory decision-making processes | high |
| #R006 | operational | operational | mandatory | Shapefile Attribution Search | drinking water, wastewater, agricultural water, aquatic life, recreational water, other | Users accessing the WBD via shapefile will need to search for the attribution related to that specific dataset because the field headers are truncated in shapefile format. | Accessing the WBD via shapefile format | high |
| #R007 | administrative | operational | guidance | Acknowledgment of Origination Agencies | drinking water, wastewater, agricultural water, aquatic life, recreational water, other | Acknowledgment of the origination agencies would be appreciated in products derived from these data. | Creation of products derived from the data | high |
| #R008 | operational | operational | guidance | Metadata Record Review Advice | drinking water, wastewater, agricultural water, aquatic life, recreational water, other | Users are advised to carefully read the WBD national FGDC metadata record for additional details. | General use of dataset | high |
| #R009 | reporting | reporting | mandatory | Public Notification and Agency Contact | drinking water | Water systems: Use these templates -- and contact your Drinking Water Program district office -- when public notification is required because of chemical or microbiological contamination, or because of other conditions. | when public notification is required because of chemical or microbiological contamination, or because of other conditions | high |
| #R010 | reporting | reporting | mandatory | Consumer Confidence Report Provision | drinking water | Information about your drinking water quality is available from your water system in its annual Consumer Confidence Report (CCR). | annual requirement | high |
| #R011 | reporting | reporting | mandatory | Electronic Laboratory Data Submittal | drinking water | EDT - data submittal by laboratories | submission of water quality monitoring results | high |
| #R012 | design | treatment | mandatory | Water Treatment Technology Approval | drinking water | DDW's Water Treatment Technology Approval Process (PDF) - January 16, 2002 | prior to implementation of treatment technology | high |
| #R013 | corrective_action | health | mandatory | Notification and Response Level Exceedance | drinking water | The Division of Drinking Water (DDW) uses these health-based advisory levels for certain chemicals without MCLs. Exceeding them prompts certain requirements and recommendations. | When advisory levels for certain chemicals without MCLs are exceeded | high |
| #R014 | monitoring | operational | mandatory | Monitoring Schedule Adherence | drinking water | Monitoring schedules | Applicable to all public water systems for sampling and analysis compliance | high |
| #R015 | design | operational | mandatory | Source Water Assessment for New Sources | drinking water | As part of permitting new sources, water systems are required a source water assessment for the proposed site. | As part of permitting new sources | high |
| #R016 | reporting | operational | mandatory | Source Water Assessment Content Requirements | drinking water | The assessment includes: A delineation of the area around a drinking water source through which contaminants might move and reach that drinking water supply; an inventory of possible contaminating activities (PCAs) that might lead to the release of microbiological or chemical contaminants within the delineated area; and a determination of the PCAs to which the drinking water source is most vulnerable. | Required content for source water assessments | high |
| #R017 | administrative | reporting | mandatory | Submission of Self-Conducted Source Water Assessments | drinking water | Water systems that planned to conduct their own assessments were required to submit their final assessments to DDW no later than December 31, 2002. | Water systems that planned to conduct their own assessments | high |
| #R018 | administrative | operational | mandatory | State Mandate for Source Protection Program | drinking water | Section 116762.60 of the State Board to develop and implement a program to protect sources of drinking water, specifying that the program must include both a source water assessment program and a wellhead protection program. | State legal mandate | high |
| #R019 | operational | operational | mandatory | Self-Assessment Procedural Conformance | drinking water | some public water systems performed their own assessments conducted them in conformance with the DDW procedures. | When water systems perform their own assessments | high |
| #R020 | administrative | operational | guidance | Public Assessment Access Request | drinking water | Persons interested in completed copy of source water assessments may contact the water systems or the local DDW district offices. | Upon request from interested persons | high |
| #R021 | administrative | operational | guidance | Assessment Summary Availability | drinking water | Summaries of assessments are available for viewing by contacting the water system or the local DDW district offices. | General availability for public review | high |
| #R022 | administrative | operational | mandatory | DDW Assessment Completion Mandate | drinking water | DDW was responsible for the completion of all assessments by May 2003. | Program-wide implementation | high |
| #R023 | operational | operational | guideline | Assessment Methodology Guidance | drinking water | The California DWSAP Program Document... describes procedures for conducting drinking water source assessments. It conveys the goals and objectives... along with methods that are technically appropriate and easily understood. | During the conduction of source assessments | high |
| #R024 | design | treatment | mandatory | Tertiary Filtration Design Standard | wastewater | The filtration process must meet the criteria described in §60301.320 (a) or (b). | Applicable to the production of disinfected tertiary recycled water | high |
| #R025 | design | treatment | mandatory | Tertiary Disinfection Design Standard | wastewater | The disinfection process must meet the criteria described in §60301.230(a)(1) or (2). | Applicable to the production of disinfected tertiary recycled water | high |
| #R026 | prohibition | health | mandatory | Secondary-23 Use Area Restrictions | wastewater, other | Disinfected secondary-23 recycled water can generally be used for... other industrial or commercial processes where mist is not created and the water does not contact workers. | Use of disinfected secondary-23 recycled water in industrial or commercial processes | high |