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Lake Tahoe EIP

Pittman Terrace Water Quality Improvement Project

Project Number
01.01.01.0155
Action Priority
Reduce Stormwater Pollution From: Roads and Highways, Forest Roads, Public and Private Parcels
Implementers
Nevada Tahoe Conservation District
Primary Contact
Meghan Kelly (mkelly@ntcd.org)
Stage
Completed
Duration
2016 - 2018
Stormwater Management Program Reduce Stormwater Pollution From: Roads and Highways, Forest Roads, Public and Private Parcels
Untreated or under-treated stormwater was being directly discharged to the Lake. Stormwater infrastructure was installed along the US-50 in the NDOT right-of-way and within the Pittman Terrace neighborhood to treat stormwater runoff prior to discharge to the lake. 560 linear feet of infiltration ditch and 290 linear feet of underground infiltration galleries were installed to capture and infiltrate stormwater. The NDOT US-50 catchment was considered a high priority catchment due to its being a high pollutant loading and directly connected catchment in a highly constrained area. Project is registered in the LT Info Stormwater Tools and has the potential to garner NDOT 8 Lake Clarity Credits.

Key Accomplishments

  • Miles of Roads Decommissioned or Retrofitted: 1 miles

Threshold Categories

  • Soil Conservation
  • Water Quality
Completed block infiltration ditch (Timing: After) (~1,570 KB) Credit: NTCD Completed block infiltration ditch

Location

Expenditures

Expenditures by Funding Source to Date: $503,387
(Estimated Cost: $528,387)
Nevada Department of Transpor... (NDOT): $242,000

Nevada Division of Environmen... (NDEP): $127,000

Tahoe Bonds Act (NDSL): $134,387

Photos

Before
Water ponds on Pittman Terrace Rd as system is undersized with no overflow (Timing: Before) (~5,224 KB) Credit: NTCD
Water ponds on Pittman Terrace Rd as system is undersized with no overflow
Eroding beach access brings untreated stormwater to Lake Tahoe (Timing: Before) (~6,214 KB) Credit: NTCD
Eroding beach access brings untreated stormwater to Lake Tahoe
During
End of Infiltration Ditch being constructed just above Lake Tahoe (Timing: During) (~1,074 KB) Credit: NTCD
End of Infiltration Ditch being constructed just above Lake Tahoe
Retrofit of existing sediment cans on US-50 with infiltration galleries (Timing: During) (~1,084 KB) Credit: NTCD
Retrofit of existing sediment cans on US-50 with infiltration galleries
After
Completed infiltration ditch and access road on County land (Timing: After) (~1,602 KB) Credit: NTCD
Completed infiltration ditch and access road on County land
Project Fact Sheet Data as of 04/18/2024