HomeMy WebLinkAboutDEQ LETTER - 22-00269 - Hibbard Elementary SchoolSTATE OF IDAHO
DEPARTMENTOF
ENVIRONMENTAL QUALIry
900 N Skyline, Suite B, ldaho Falls, lD 83402
(208) s28-26s0
Brad Little, Governor
Jess Byrne, Director
November 9,2022
By email: lordsr@msd32L.com
Randy Lords
Superintendent
Madison School District #321
60 West Main Street
Rexburg, lD 83440
Subject:Approved; Hibbard Elementary School Revised Wastewater Subsurface
Disposal Large Soil Absorption System (LSAS) Elien GSF Drain Field
Design, Madison Co. DEQ # 22-10-33.
Dear Mr. Lords:
The ldaho Department of Environmental Quality (DEQ) received the revised Operation and
Maintenance Manual (O&M) and revised plans and specifications entitled Hibbard Elementary School
Lorge SoilAbsorption System (LSAS) Eljen GSF Design submitted to DEQon November 8,2022. The plans
and specifications were sealed and signed by David Hansen, PE on March 8,2022. The project generally
includes the plans and specification for the LSAS Eljen GSF System. DEQ has reviewed the O&M manual,
plans and specifications for general conformance with DEQ Rulesl and determined them to be
approved for construction.
Standard Conditions:
A. DEQ s construction approval expires after one calendar year from the date of this letter. For
construction to proceed beyond this date, an extension request or new plans and specifications
must be submitted to DEQfor review and approval before construction may proceed.
B. Any material deviations from the approved plans and specifications must be reviewed and
approved by DEQ before construction.
C. We attached a copyof the approved drawingsforyou. An additionalcopyhas been senttoyour
engineer. The owner is required to always maintain one copy of the approved plans and
specifications and this DEQ approval letter on-site during construction. The owner must ensure
that the contractor, construction inspector, and certifying engineer are aware of the approval
conditions.
D. An ldaho-licensed Professional Engineer representing the system must submit record drawings,
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or a statement of material compliance, to DEQ within 30 days after construction completion.
E. This approval pertains only to the LSAS Subsurface Disposal System infrastructure and does not
relieve the owner, engineer, or the contractor of the responsibility to comply with all current
applicable federal, state, and local laws, rules, regulations, or ordinances.
ll. Proiect-Specific Conditions
A. DEQ has not conducted design review for stormwater plans and specifications and has made no
determination regarding whether the plans and specifications include appropriate best
management practices (BMPs) to protect ground water and surface water quality. lf the project
is anticipated to disturb at least one acre of land or is part of a larger project that disturbs one
acre or more of land, the project must obtain coverage under the ldaho Pollution Discharge
Elimination System (IPDES) Construction General Permit. Stormwater events that occur during
construction should be managed according to the site-specific Stormwater Pollution Prevention
Plan, and other requirements of the General Permit. To submit a Notice of lntent for permit
coverage under the Construction General Permit, apply online at
http ://www2.deq.idaho.eov/water/l PD ES/.
lf you have any questions regarding this letter or if we can be of further assistance, please call me at
(208) s28-26s0,
Sincerely,
William T er, PE
Senior Water Quality Engineer
DEQ-IFRO
EDMS: 2O22AFML457
c:Ryan Loftus, P.E., Aspen Engineering, lnc.,rvan @asoenens.net
DavidHansen,P'E.,EngineeredSystemsAssociates,@
John Mackin, EIPH Rexburg, JMackin@eiph.idaho.gov
Nathan Taylor, EIPH ldaho Falls, NTavlor@eiph.idaho.gov