Overview
Lake Forest Highlands
BMP Registration
Approved

10/01/2015 to 09/30/2030 (15 years)
30 credits
30 credits (100%)

Yes
No
No

Registration Area & BMPs
Declarations
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Credit Schedule
10/1/2015
15 years
09/30/2030
The Lake Forest Highlands catchment includes a single dry basin.

100%
30
30
PLRM Models and Load Reduction
LakeForestHighlands (Project1)
BaselineLakeForestHighlands (Scenario1) Baseline Scenario 100%
PostLakeForestHighlands (Scenario2) Expected Scenario 100%

8,989 41 160 N/A
3,054 15 73 N/A
Load Reduction 5,935 26 87 30
Treatment BMPs
Yes

Dry Basin LF2_DB01 5,935 25 86 30 Essential No
Total 30

No distributed BMPs added to registration

Placer County has initiated maintenance of the treatment BMP within Lake Forest Highlands on an as-needed basis based on the results of the required condition assessments described above (This year’s BMP RAM score was a 5 so no maintenance was needed). Essential, key and supporting BMPs are maintained by the Placer County street maintenance crew or equivalent by vactor truck, backhoe, and/or hand crew or other method necessary to remove excess sediment from the BMPs and restore infiltration/filtration function. Emphasis is placed on restoring the infiltration capacity of the soil in the basins or infiltration features and restoring filtration capacity of the cartridge filters. BMP Ram score of 2 or less is a high priority maintenance need, 3 is medium need and 4-5 is low priority.
Placer County plans to and has been inspecting all key and essential treatment BMPs including the one in Lake Forest Highlands in accordance with the protocols described in the BMP RAM User Manual V2 (2NDNATURE 2015) or acceptable equivalent method as required by the NPDES permit. These inspections are used to assess condition/performance and initiate maintenance. Inspections of all BMPs take place annually during spring, summer, or fall. Benchmark and threshold values for BMP condition are set in BMP RAM. In BMP RAM, the infiltration observation for dry basins and infiltration features offers a “User Defined” method. The California Stormwater Quality Association (CASQA) BMP Fact Sheet on infiltration basins suggests inspecting the basins 48 to 72 hours after a storm event to determine that all water has infiltrated. If all water has not infiltrated during this time period, maintenance should be performed.
Parcel BMPs
No
Single Family Residential
7% 0%
58.1 4.07 0 7.0% 0.0% n/a
58.1 4.07 0 7.0% 0.0% n/a
Multi-Family Residential
19% 0%
0.5 0.1 0 20.0% 0.0% n/a
0.5 0.1 0 20.0% 0.0% n/a
Commercial, Industrial, and Community Use
5% 0%
0.7 0.04 0 5.7% 0.0% n/a
0.7 0.04 0 5.7% 0.0% n/a
Other Pollutant Control Strategies

No other pollutant control strategies implemented in this registration