FEIS - Tahoe Regional Planning Agency

RESPONSE TO COMMENTS ON THE DEIS
B o u l d e r B a y C o m m u n i t y E n h a n c e m e n t P r o g r a m P r o j e c t E I S
the project area as an emergency shelter and/or staging area. Please see response to
comment 93-q for additional response on emergency vehicle access and roadway
adequacy.
Comment 134-b: Comment Summary - Does not believe the project is economically viable.
This is not a comment on the content or adequacy of the DEIS. This information is
passed on to the Project proponent and decision maker(s) for consideration. No
further response to this comment in relation to the DEIS is warranted.
Comment Letter 137 – Bosche, John, North Tahoe Preservation Alliance, 01/26/2010
Comment 137-a: Comment Summary - All comments are primarily related to Alternative C.
Comment noted.
Comment 137-b: Comment Summary - HYDRO-5 page 4.3-17: DEIS fails to recognize runoff from
Biltmore floods properties in the neighborhood between Harbor and Speedboat
Avenues.
The Brockway Erosion Control Project (approved by Placer County) directly
addresses existing stormwater runoff in these areas. The Boulder Bay Project has
estimated the runoff volumes from the project area and proposed stormwater
treatment systems designed to prohibit runoff from leaving the project area and
impacting these areas down gradient. Alternatives C and D will eliminate this long
standing problem by completing a public private EIP with Placer County, Washoe
County, the US Forest Service, NDOT and CALTRANS. The elimination of this
problem is part of the "above and beyond" benefits of the Project as defined by the
CEP. The correct "benchmark" is analyzed, as denoted in the "as measured by"
column in Table 4.3-4. No FEMA 100-year flood zones are mapped within the
project area. The EIS evaluates the potential impact of stormwater runoff in impact
HYDRO-3.
Alternatives A, B and E will capture, convey and infiltrate the 20yr/1hr storm runoff
volume in stormwater treatment systems designed to that capacity. Alternatives C
and D will capture, convey, and infiltrate up to the 100yr/1hr stormwater runoff
volume. The Project will disconnect the project area plus portions of Washoe County
and NDOT ROWs from the downstream drainage structures and effectively eliminate
the "pass through discharge” from the project area that has contributed to historic
interstate flow and flooding issues in California. The remaining runoff volumes will
be addressed by Caltrans and NDOT through current and planned projects.
Comment 137-c: Comment Summary - HYDRO-5 should consider impact of storms on off-site
properties.
Impact HYDRO-3 considers the potential impacts from the TRPA 20yr/1hr design
storm as required by TRPA codified regulations. The Project, as a TRPA CEP
project, also considers the potential impacts from the 50yr/1hr and the 100yr/1hr
storm events for CEP Alternatives C and D. The Project will capture, convey and
infiltrate total runoff volumes from the project area and portions of Washoe County
and NDOT roadways and ROWs, thus minimizing potential impacts to downstream
properties. The connection between the Boulder Bay Project in Crystal Bay, Nevada
and the Meyer's Landfill in South Lake Tahoe, California is unclear. Please see the
supplemental water quality analysis added in Appendix AB in which sediment and
nutrient loading for Existing Conditions, Existing Conditions with 20yr/1hr
SEPTEMBER 8 , 2010 HAUGE BRUECK ASSOCIATES PAGE 8- 53