Overview
Registration_2_APA (Apa_Reg2)
BMP Registration
Approved

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

Yes
No
No

Registration Area & BMPs
Declarations
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Credit Schedule
10/1/2015
15 years
09/30/2030
With proper inspection and maintenance as required through the TMDL program all associated BMPs will function as designed through the 15 year duration.

100%
75
75
PLRM Models and Load Reduction
BPC10 (Project1)
Apa_Baseline_Final_v5 (Scenario10) Baseline Scenario 90%
Apa_Post_Baseline_Final_v5 (Scenario7) Expected Scenario 90%

21,354.3 70.2 232.2 N/A
6,254.1 25.2 106.2 N/A
Load Reduction 15,100.2 45 126 75
Treatment BMPs
Yes

Wet Basin APA_WB142_ 8,404.2 27 77.4 42 Essential No
Wet Basin APA_WB6_ 3,156.3 9.9 24.3 16 Essential No
Infiltration Basin APA_IB100 2,327.4 7.2 22.5 12 Essential No
Infiltration Basin APA_IB98 1,042.2 2.7 9 5 Key No
Infiltration Basin APA_IB99 214.2 0.9 1.8 1 Supporting No
Total 76

No distributed BMPs added to registration

El Dorado County plans to inspect all key and essential treatment BMPs within Apalachee area 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 will take place annually during spring, summer, or fall.
Benchmark and threshold values for BMP condition are set. These values are typically measured after snow has melted. El Dorado County completed the first round of inspections in fall 2016. In BMP RAM, the infiltration observation for dry basins and infiltration offers a “User Defined” method. The California Stormwater Quality Association (CASQA) BMP Fact Sheet on infiltration.
Parcel BMPs
No
Single Family Residential
7% 0%
57.2 4 0 7.0% 0.0% n/a
57.2 4 0 7.0% 0.0% n/a
Multi-Family Residential
19% 0%
0 0 0 0.0% 0.0% n/a
0 0 0 0.0% 0.0% n/a
Commercial, Industrial, and Community Use
5% 0%
0 0 0 0.0% 0.0% n/a
0 0 0 0.0% 0.0% n/a
Other Pollutant Control Strategies

No other pollutant control strategies implemented in this registration