LT Info | Registration_2_APA (Apa

Registration

El Dorado County, CA

Registration_2_APA (Apa_Reg2)

Overview

Jurisdiction

El Dorado County, CA

Name

Registration_2_APA (Apa_Reg2)

Type

BMP Registration

Status

Approved

Timeframe

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

Annual Credit Potential

75 credits

Establishment Year Credit Potential

75 credits (100%)

Treatment BMPs Included in Registration

Yes

Parcel BMPs Included in Registration

Other Pollutant Control Strategies

Supporting Documents

APA_CatchmentRegistrationMemo_Final.pdf

Registration Area & BMPs

Declarations

Currently viewing of Registration Years Download Table

Credit Schedule

Establishment Date

10/1/2015

Registration Duration

15 years

Registration End Date

09/30/2030

Duration Rationale

With proper inspection and maintenance as required through the TMDL program all associated BMPs will function as designed through the 15 year duration.

Establishment Year Credit Potential

100%

Water Year 2016 Credit Potential

Water Years 2017 - 2030 Credit Potential

PLRM Models and Load Reduction

PLRM Zip Archive

Download Reg_APA_PLRM.zip Summary Report

Models and Scenarios

Model Name	Scenario Name	Scenario Type	Catchment Connectivity
BPC10 (Project1)
	Apa_Baseline_Final_v5 (Scenario10)	Baseline Scenario	90%
	Apa_Post_Baseline_Final_v5 (Scenario7)	Expected Scenario	90%

Load Reduction Details

	FSP (lbs)	TP (lbs)	TN (lbs)	Credit Potential
Baseline Load	21,354.3	70.2	232.2	N/A
Expected Load	6,254.1	25.2	106.2	N/A
Load Reduction	15,100.2	45	126	75

Treatment BMPs

Treatment BMPs Included in Registration

Yes

Centralized/PLRM BMPs

Treatment BMP Type	BMP Name	Change in FSP Reduction (lbs)	Change in TP Reduction (lbs)	Change in TN Reduction (lbs)	Credits	Water Quality Importance	Pre 2004 BMP
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

Distributed BMPs

Treatment BMP Type	BMP Name	Water Quality Importance	Water Quality Importance Rationale	Pre 2004 BMP
No distributed BMPs added to registration

Maintenance Plan Summary

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.

Inspection Plan Summary

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.

Additional Implementation Information

Parcel BMPs

Parcel BMPs Included in Registration

PLRM Parcel BMP Model Details

		Total Area (acres)	BMP Area (acres)	Source Control Area (acres)	BMP Area (% of total)	Source Control Area (% of total)	FSP (lbs/yr)
Single Family Residential
	Standard Baseline				7%	0%
	Baseline Scenario	57.2	4	0	7.0%	0.0%	n/a
	Expected Scenario	57.2	4	0	7.0%	0.0%	n/a
Multi-Family Residential
	Standard Baseline				19%	0%
	Baseline Scenario	0	0	0	0.0%	0.0%	n/a
	Expected Scenario	0	0	0	0.0%	0.0%	n/a
Commercial, Industrial, and Community Use
	Standard Baseline				5%	0%
	Baseline Scenario	0	0	0	0.0%	0.0%	n/a
	Expected Scenario	0	0	0	0.0%	0.0%	n/a

Other Pollutant Control Strategies

No other pollutant control strategies implemented in this registration