Document: NRC Regulatory Guide
Document ID: e5306f4f-dc8c-4f60-a71c-af7ad4080384
Document Type: regulatory_guide
Title: Aquatic Environmental Studies for Nuclear Power Stations + HISTORY - HISTORY 12/2014 – DG-4023 -Proposed New Guide
Source: NRC Regulatory Guide Division 4
Source URL: https://www.nrc.gov/docs/ML1318/ML13186A085.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-4.24
CFR Part: 
CFR Title: 

Content:
ion should be conducted with Tribes and State agencies. • Species essential to the maintenance and survival of other important species. Information may be available in scientific literature and from relevant federal and state agencies. Consideration of habitat requirements and food web relationships is necessary. • Species that can serve as biological indicators to monitor the effects of the proposed action on the aquatic environment. Some species are exceptionally sensitive to impacts and can serve as indicators of otherwise inconspicuous adverse conditions. For example, presence and population trends of diatoms are good indicators of water quality and environmental conditions suitable for other aquatic species. • National estuarine research reserves, national parks, state parks, or other marine, estuarine, riverine, or lacustrine protected areas designated as such by state or federal agencies. Although not formally designated by federal or state agencies, lands owned by private conservation organizations, such as The Nature Conservancy and the Isaac Walton League of America, or even privately held preserves also might be important under this criterion. • Other habitats the state or federal agencies have identified as unique or rare or prioritized for protection. This should include Safe Harbor Agreements and Candidate Conservation DG-4023, Page 19 Agreements with Assurances between the FWS or NMFS and non-federal property owners. The NRC recommends informally meeting with agencies such as NMFS, FWS, and State conservation or game agencies. Some States have unique conservation or management agencies, such as the water management districts in Florida, the Critical Areas Commission for the Chesapeake and Atlantic Coastal Bays in Maryland, and the Texas Water Development Board, which works with the various river authorities in Texas. Also, some regions have organizations that may involve more than one state; examples include the Delaware River Basin Commission