Resolution 2292
RESOLUTION NO. 2292
A RESOLUTION OF THE SOUTH TAHOE PUBLIC
UTILITY DISTRICT ORDERING CHANGES
OR ALTERATIONS IN AND INCORPORATED
INTO PROJECT
SOUTH TAHOE PUBLIC UTILITY DISTRICT
WASTEWATER FACILITIES PLANNING PROGRAM
BE IT RESOLVED by the Board of Directors of the South Tahoe
Public Utility District that:
(1) The Facility Plan for the South Tahoe Public Utility
District Wastewater Treatment System, dated May 1978, and the
Facility Plan Update, dated February 1981, as well as proposed
minor changes in Alpine County, have been presented to the Board
of Directors of the South Tahoe Public Utility District.
(2) The Final Environmental Impact Report for the South
Tahoe Public Utility District Facility Plan Program, dated March
1979, the Environmental Impact Statement of the Wastewater Treat-
ment Facilities of the South Shore Lake Basin, dated February 1981,
and the Final Supplemental Environmental Impact Report for the South
Tahoe Public Utility District Wastewater Facilities Plan Program,
dated flay 1983, have been presented to and certified by the Board
of Directors of the South Tahoe Public Utility District.
(3) The following changes or alterations are required in
/or required to be incorporated into the South Tahoe Public Utility
District Wastewater Facilities Planning Program:
A. Those changes described in ?,litigation Measures
Summary attachment to Table 1 of said Final
Environmental Impact Report for Alternative
for Project 3b, incorporated- herein by reference.
B. A mitigation program for the required mitigation
measures for the South Tahoe Public Utility Dis-
trict Mitigation Program set forth in Table 1-3
of Status Report 4 Mitigation Program, February
1983, and which said mitigation measures
are directed at offsetting the environmental
impacts of 8.7 MGD wastewater treatment facili-
ties, incorporated herein by reference.
C. Planned Mitigation Measures - Design Changes set
forth in the Summary of Potential Significant
Impacts and Planned Mitigation Measures in the
Final Supplemental Environmental Impact
Report, incorporated herein by reference.
PASSED AND ADOPTED at a regular adjourned meeting of the
Board of Directors of the SOUTH TAHOE PUBLIC UTILITY DISTRICT
held on the 12th day of May 1983, by the following vote:
I -
AYES: Directors Kashuba, Olsen, Jones, Wynn and Madden.
r
NOES: None
ABSENT: None
0T S R. JONE , PRESIDENT
H TAHOE PV3LIC UTILITY DISTRICT
ATTEST:
RR D. CLERK OF BOARD
SOUTH A eIBROSE,
E PUBLIC UTILITY DISTRICT
I hereby certify that the foregoing is a full, true and correct cope
of RESOLUTION N0.2292 duly and regularly adopted by the Board of
Directors of the SOUTH TAHOE PUBLIC UTIILTY DISTRICT, El Dorado
County, State of California, on MAY 12, 1983.
DATED: May 12, 1983
IlAR'Y D A 4BROSE, CLERK O O. D
SOUTH AHOE PUBLIC UTILITY DISTRICT
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Final Environmental
Impact Report
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FACILITIE'S
WASTEWATER PLANNING
PROGRAM
March 1979
Prepared by:
Jones S Stokes Associates, inc.
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Attachment 2
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Table 1
0
MITIGATION MEASURES SUMMARY
Impacts Alternatives
o Mitigation Measure(s) 1 2 3A 3B1 3B2 3B34
Construction Impacts
1. Creation of local noise, dust, and aerial
emissions along pipeline routes and at
treatment plant and reservoir sites. X x x x x x x
o Keep soil watered down in construction
areas.
o Require internal combustion engines to
have mufflers, baffles.
a o Perform construction work during normal
daylight and working hours.
o Comply with 208 Plan dust control
recommendations.
o All internal combustion engine equipment
should be equipped with emission
control devices.
2. Traffic disruption near construction zones. X x x x
o Reroute traffic around construction areas.
o Provide flagmen in areas where rerouting
' is not possible.
o Comply with Caltrans safety requirements.
3. Visual disruption at construction sites. x x x x x x x
o Store construction equipment in areas
that would not create visual eyesores
and minimize impact on vegetation.
o Fence or otherwise screen construction
maintenance areas.
o Avoid extended stockpiling of excava-
tion spoil.
o Revegetate areas denuded by construction
with native vegetation.
4. Disruption of agricultural operations in
the Diamond Valley area during construction. x x x x x x x
o Maintain access through or around
construction zones.
o Store equipment and materials outside of
irrigation or grazed areas if possible.
5. Wildlife disturbance in construction zones. x x x x x x x
o Avoid removal and/or damage of vegetation
wherever possible.
o Confine construction zone to smallest
area possible.
6. Creation of safety hazards at construction
site. x x x x x x x
I
1 Alternative 4 impacts refer only to Tahoe inbasin reuse aspect.
109
Impacts Alternatives
o Mitigation Measure (s) 1 2 3A 3B1 3B2 3B3
o Maintain equipment in an enclosed
corporation yard.
o Keep curious bystanders away
from construction areas.
o During trenching operations, leave
no open trenches for longer than
1 working day.
7. Stream sedimentation due to construction
across stream bed. x x x x x x
o Comply with 208 Plan erosion control
recommendations.
o Stabilize and revegetate disturbed
areas with native vegetation.
8. Permanent loss of natural vegetation
and/or seeded pasture grasses. X x x x x x
o Clear and/or manage adjacent land to
improve grazing value, wildlife
habitat value.
o Lease back any land in excess of the
amount needed to maintain reservoirs.
9. Temporary disruption of recreational
activities at ICR. X x x x x x
o Schedule construction during periods
of low recreational use.
10. Permanent loss of deer wintering range
to reservoir sites. x x x
o Contact California Department of
Fish and Game to discuss appropriate
mitigations.
o Contact Alpine County, BLM, local
ranchers to determine availability of
land that might be managed to improve
winter range value.
11. Permanent loss of aquatic habitat
(Stevens Lake). X
o None.
Operational Impacts
1. Operation of wastewater treatment
facilities in seismically active area. X x x x x x
o Reduce liquefaction hazard by
removing unconsolidated soil material
underlying proposed embankments.
o Take vibration and liquefaction potential
into account in design and construction
of reservoir embankments.
o Avoid alluvial soils and high water tables
when routing pipeline.
o Allow flexibility in pipeline design and
construction in case of ground shaking.
o Include shut-off valves at intervals
along major pipes so that ruptures can
be isolated.
2. Slow accumulation of salts in agricultural
soils. x x x x x x
o Periodically apply water at rates suffi-
cient to flush salts through the surface
soil column to lower strata (leaching).
110
Impacts 1 2 3A 3B1 3B2 3B3
o Mitigation Measure(s)
3. Decrease in quality of irrigation runoff
into Indian Creek and possibly West Fork
of Carson River. x x x
o Institute an education and training
program to maximize irrigation and
tailwater recovery operations.
o Examine tailwater collection systems
and renovate when necessary.
4. Creation of a potential public health
hazard at point of effluent discharge/
reuse. x x x x x x
o Adhere to State Department of Health
wastewater quality standards for
irrigation reuse of wastewaters.
o Manage wastewater application to
minimize percolation to groundwater
table.
o Avoid hydraulic overloading.
o Avoid wastewater irrigation in areas
where domestic wells tap unconfined
surface aquifers.
o Establish a well-monitoring program
to detect any biological or toxic
chemical contamination of usable
groundwater stores.
o Implement advanced waste treatment
1 alternatives.
1 o Line reservoirs with impervious
materials or use seepage control wells.
o Fence reservoir sites and post warning
signs.
o Design tailwater control and application
rates to keep off-site runoff to a
minimum.
o Maintain buffers between sprinkler
systems and residences or public
rights-of-way.
o Mark all wastewater irrigation fixtures
and outlets as nonpotable to avoid
accidental human ingestion.
5. Local increase in vector populations x
at wastewater storage areas. x x x x x
o Consult and utilize local mosquito
abatement district to monitor and
control insect vectors.
o Slope reservoir embankments at 2:1
or steeper to minimize breeding
habitat.
o Fluctuate standing water levels.
o Stock reservoirs with mosquito fish
and other small fishes.
o Use of chemical sprays.
6. Impingement of wastewater storage facility x x
on designated scenic highway corridor. x
o None.
7. Increased energy consumption in waste-
water treatment and disposal (per unit). x
o Utilize energy-efficient pumps and motors.
111
Alternatives 3B3 qi
Ims 1 2 3A 3B1 3B2
Miti ation Measure s
8. Increased use of chemicals in waste- x
water treatment (per unit).
o Resale of chemical by-product
ammonium sulfate, generated by
treatment process.
o Implement secondary treatment
alternatives.
9. Increase in the cost of providing x x x x
x x x
wastewater treatment service.
o Implement least costly treatment
and disposal alternative.
10. Loss of tax revenue in Alpine County x x x x
due to public purchase of private land. X x
o Implement treatment and disposal
alternative that requires least
amount of public land acquisition.
11. Increase in cost of irrigating pasture- x
land, fodder crops.
o Implement one of the flood irrigation
alternatives.
12 ?ncrease in the volume of sewage sludge
equiring processing and disposal (at x
.5 or 10 mgd capacity).
o Implement alternatives which do not
produce chemical sludge (secondary
treatment alternatives).
ithin
Secondary impacts ng the The D. generally discussed streparedsfor thedSTPUD and DouglasaCountyrfacilities plansowillwprovide
detaiederalled sEISecondbeingary P p impact analysis of growth in the entire southern enda fhe Tahoe Basi
STPUD a much more The federal
practical
a much
It is felt that this EIS analysis will be able to suggest more specific and more
possibilities for secondary impacts. Therefore, the general mitigations mentioned in the EIR have no
been summarized in this table.
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FINAL
SUPPLEMENTAL ENVIRONMENTAL IMPACT REPORT
SOUTH TAHOE PUBLIC UTILITY DISTRICT
WASTEWATER FACILITIES PLANNING PROGRAM
SCH # 83020702
Prepared for:
South Tahoe Public Utility District
Prepared by:
Jones & Stokes Associates, Inc.
2321 P Street
Sacramento, CA 95816
May 1983
• Table 1. Summary of Potentially Significant impacts and Planned Mitigation Measures
IMPACT CATEGORY POTENTIALLY SIGNIFICANT IMPACTS PI.ANNED MITIGATION MESURES-DESIGN CHANGES
Public Health Human Health Risk: Sprinkler irrigation o Eliminate the southwest sprinkler rig.
of Schwake property with wastewater poses o Install automatic sprinkler shutoffs for
a potential health risk at Diamond Valley high wind conditions.
School and nearby residences from aerosol o Use downward-pointing spray nozzles.
drift. o Maintain 600-foot buffer strip from
school property.
Water Supply Contamination: Irrigation o Continues to monitor wells and ground-
with wastewater on the Schwake property water periodically in the vicinity of
could pose a risk of contamination of irrigation sites.
domestic water supplies in local wells. o Fund independent monitoring program by
Alpine County.
o Participate in development of irrigation
plans for all wastewater irrigation areas.
o Provide an alternative water source i.f
domestic wells are contaminated by the
project.
o Provide advance secondary disinfected
treatment.
Surface Water Contamination Risk: Runoff o Sprinkler irrigate Schwake property.
from irrigation with wastewater could o Contract with soil scientist to develop
create health hazard in Indian Creek or detailed irrigation plan for Dressler
West Fork of Carson River. site in consultation with SCS.
-&at^tallwater control systsns-
established pa.a~i irrigation sites.
o Relocate access road to dam site-so that
it borders Indian Creek and acts as tail-
water control berm.
o Apply wastewater at agro G rates.
o Place moisture probes in 1 irrigation
areas to monitor soil mo tore content.
Spillage from Harvey Place Reservoir: o Divert portions of Harvey Place Reservoir
Occasional discharges from reservoir could drainage area into ICR and enlarge ICR
contaminate Indian Creek. outlet pipe to reduce frequency of
spillage from Harvey Place Reservoir
(capacity increased to 100-year storm
event) .
H} Flooding: Indian Creek diversion would o Construct Millich flood control channel
occasionally flood Schwake and Heise Land to intercept flood flows across Schwake
and Cattle Company property. property and discharge to Indian Creek
(100-year storm event capacity).
Wildlife and Vegetation Loss of Habitat: Construction of Harvey o Participate in Habitat Evaluation Pro-
Place Reservoir will permanently inundate cedure analysis of reservoir inundation
riparian, grassland, and brush habitat. area and develop mitigation plan in co-
operation with California Department of
Fish and Game.
Land Use Elimination of Grazing Land: Construction o Bring an equivalent area of grazing land
of the Harvey Place Reservoir will convert into production (currently proposed as
approximatley 60 acres of grazing land to part of irrigation plans for Dressler
wastewater storage use; excavation at clay property).
borrow site will remove grazing land, o Participate with SCS in develoFment of a
clay removal plan.
Aesthetics General Plan Conflict: Construction of o Cover embankement faces with earthern
the dam embankment may conflict with material.
scenic resource policies in the proposed o Re-establish vegetation on embankment
Alpine County Draft General Plan. areas.
+a
IMPACT CATEGORY POTENTIALLY SIGNIFICANT IMPACTS PLANNED MITIGATION MEASURES-DESIGN CHANGES
Cultural Resources Loss of Archeologic, Historic Resources: o Retain qualified professional archeo-
Construction of the proposed facilities logical firm to prepare mitigation work
could affect 23 archeological sites and two program in cooperation with California
historic sites identified through field SHPO, SWRCB.
surveys and a records search. o Conduct test excavations at seven sites
to determine if additional mitigation is
necessary or if sites eligible for
National Register of Historic Places.
o Comply with mitigation proposals devel-
oped by archeological consultant in
cooperation with SHPO.