SBK-L-23033, 2022 Annual Environmental Operating Report

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2022 Annual Environmental Operating Report
ML23103A455
Person / Time
Site: Seabrook NextEra Energy icon.png
Issue date: 04/11/2023
From: Levander M
NextEra Energy Seabrook
To:
Office of Nuclear Reactor Regulation, Document Control Desk
References
SBK-L-23033
Download: ML23103A455 (1)


Text

U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001 NEXTera ENERGYe SEABROOK April 11, 2023 Docket No. 50-443 SBK-L-23033 Seabrook Station 2022 Annual Environmental Operating Report NextEra Energy Seabrook, LLC has enclosed the 2022 Annual Environmental Operating Report for Seabrook Station.

The enclosed report is a summary of the implementation of the Environmental Protection Plan (EPP) for the period of January 1, 2022 to December 31, 2022.

This report is submitted pursuant to the requirements of Section 5.4 of the Seabrook Station Environmental Protection Plan.

Should you have any questions concerning this letter, please contact Jamie Wampler, Environmental Specialist - Rotational at (603) 773-7315.

Enclosure cc:

NRC Region I Administrator NRC Project Manager, Project Directorate I-2 NRC Senior Resident Inspector N. Eckhoff, Region I Inspector Sincerely, N~

rgyc :~~,LLC Matthew Levander Regulatory Affairs Manager NextEra Energy Seabrook, LLC, P.O. Box 300, Lafayette Road, Seabrook, NH 03874

ENCLOSURE TO SBK-L-23033

Seabrook Station Annual Environmental Operating Report January 1, 2022 to December 31, 2022 Environmental Monitoring Program The following provides a summary of the reports related to Seabrook Station Aquatic Monitoring in accordance with Subsection 4.2 of the Environmental Protection Plan.

NextEra Energy Seabrook Letter SBK-L-23020, "2022 Hydrological Monitoring Report" dated March 2, 2023. This letter was submitted to the EPA in accordance with the NPDES Permit and demonstrated compliance with the NPDES Permit limits on the thermal component of the cooling water system discharge from Seabrook Station in 2022. Seabrook Station's NPDES Permit sets thermal discharge limits during station operation. Specifically, the thermal component of the discharge cannot increase the surface temperature in the near-field jet-mixing region by more than 5° F. The jet-mixing region is the ocean area within 300 feet of the submerged diffuser in the direction of discharge.

NextEra Energy Seabrook Letter SBK-L-23019, "2022 Chlorine Minimization Report" dated February 28, 2023. This letter was submitted to the EPA in accordance with the NPDES Permit and demonstrated compliance with the NPDES Permit limits on the chlorine levels discharged by Seabrook Station's cooling water system. During 2022, chlorine levels discharged from Seabrook Station, measured as the Total Residual Oxidant (chlorine), were below the NPDES Permit limits of0.2 ppm daily maximum and 0.15 ppm monthly average.

NextEra Energy Seabrook Letter SBK-L-22073, "2022 Environmental Monitoring Mid-Year Report" dated July 29, 2022. This letter was submitted to the EPA in accordance with the NPDES Permit and provided a status thru mid-year of the continuing 2022 Biological, Hydrological and Chlorination Monitoring Programs. The report concluded that Seabrook Station's Environmental Monitoring Program continues to demonstrate that Seabrook Station has not had a significant impact on the balanced indigenous populations in the coastal waters of New Hampshire.

NextEra Energy Seabrook Letter SBK-L-22092, "2021 Environmental Monitoring Report" dated August 30, 2022. This letter was submitted to the EPA in accordance with the NPDES Permit and describes the environmental monitoring program for Seabrook Station. The 2021 Environmental Monitoring Report provides a comparison of 2021 environmental monitoring data to previous years and continues to demonstrate that Seabrook Station has not had an adverse effect upon the balanced indigenous populations in the Hampton-Seabrook area.

Changes in Station Design or Operation, Tests and Experiments Involving a Potentially Unreviewed Environmental Question During 2022, there were no changes in Station design or operation, tests or experiments that involved a potentially unreviewed environmental question. Environmental screenings of the changes were performed as required by the Seabrook Station Environmental Compliance Manual.

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changes were performed as required by the Seabrook Station Environmental Compliance Manual.

Environmental Protection Plan Noncompliances During 2022 there were no instances of noncompliance with the Environmental Protection Plan.

N onroutine Reports There were no nonroutine reports submitted during 2022 per Section 5.4.2 of the Environmental Protection Plan.

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