Appendix A Respondents and Other Assumptions

Appendix A

Table A1. Respondents and Other Assumptions

Description	Number	Source
Annual Number of Construction Starts > 1 acre	84,472	Table 1. Distribution of Model Projects for each Model Project Size and Duration Category for three Project Types (Residential Construction, Nonresidential Construction, and Transportation). [Construction ELG Technical Development Document]
Annual Number of Construction Starts 1 - 4.99 acres	47,969	Table 1. Distribution of Model Projects for each Model Project Size and Duration Category for three Project Types (Residential Construction, Nonresidential Construction, and Transportation). [Construction ELG Technical Development Document]
Annual Number of Construction Starts > 5 acres	36,503	Table 1. Distribution of Model Projects for each Model Project Size and Duration Category for three Project Types (Residential Construction, Nonresidential Construction, and Transportation). [Construction ELG Technical Development Document]
Total Number of Small MS4s Issued by EPA	361	Stormwater Rulemaking MS4 Analysis - EPA
Total Number of Small MS4s Issued by Authorized States	6,271	Stormwater Rulemaking MS4 Analysis - EPA
Total Number of Industrial Facilities eligible for the "no exposure" to stormwater waiver from Phase I regulations.	36,377	Economic Analysis of the Final Phase II Stormwater Rule (10/01/1999) as cited in NPDES Stormwater Program Phase II (EPA ICR No 1820.04, OMB Control No. 2040-0211) corrected by Jack Faulk, personal communication. Th 04/08/2008: "I believe the no exposure number is five times higher than our current thinking. I would use 36377 as the number of sites covered by a no exposure certification." Reaffirmed by Brian Rittenhouse 9/22/2011.
Total Number of Existing Major NPDES Permits - Municipal	4,123	PCS or ICIS Query: Standard (individual) NPDES Municipal
Total Number of Existing Minor NPDES Permits - Municipal	9,471	PCS or ICIS Query: Standard (individual) NPDES Municipal
Total Number of Existing Sludge Only NPDES Permits - Municipal	954	PCS or ICIS Query: Sludge Only Municipal
Total Number of Existing Major NPDES Permits - Nonmunicipal	2,036	PCS or ICIS Query: Standard (individual) NPDES Nonmunicipal
Total Number of Existing Minor NPDES Permits - Nonmunicipal	28,133	PCS or ICIS Query: Standard (individual) NPDES Nonmunicipal
Total Number of Existing Sludge Only NPDES Permits - Nonmunicipal	329	PCS or ICIS Query: Sludge Only Nonmunicipal
Total Number of Existing Major NPDES Permits - Federal	80	PCS or ICIS Query: Standard (individual) NPDES Federal
Total Number of Existing Minor NPDES Permits - Federal	510	PCS or ICIS Query: Standard (individual) NPDES Federal
Annual Number of New Major NPDES Permits - Nonmunicipal Industrial	19	PCS or ICIS Query: New STANDARD NPDES in the previous 3 years Nonmunicipal
Annual Number of New Minor NPDES Permits - Nonmunicipal Industrial	785	PCS or ICIS Query: New STANDARD NPDES in the previous 3 years Nonmunicipal
Annual Number of New NPDES Permits - Nonmunicipal Stormwater	86	PCS or ICIS Query: New STORMWATER NPDES in last 3 years Nonmunicipal
Total Number of Existing NPDES Permits - Nonmunicipal Industrial	30,169	PCS or ICIS Query: Standard (individual) NPDES Nonmunicipal
Total Number of Existing NPDES Permits - Nonmunicipal Stormwater (individual Permit)	783	PCS or ICIS Query: STORMWATER (individual) NPDES Nonmunicipal
Total Number of NPDES General Permits Issued by EPA (Not permittees covered by general permits, but general permits)	27	PCS or ICIS Query: General Permits (not permittees)
Total Number of NPDES General Permits Issued by Authorized States (Not permittees covered by general permits, but general permits)	497	PCS or ICIS Query: General Permits (not permittees)
Total Number of Phase I MS4s Permittees (Issued by States)	758	Stormwater Rulemaking MS4 Analysis - EPA
Total Number of Phase I MS4s Permittees (Issued by EPA)	12	MS4 Program Implementation - Status of Permit Issuance
Total Number of Phase I MS4s Permits (Issued by States)	171	Stormwater Rulemaking MS4 Analysis - EPA
Total Number of Phase I MS4s Permits (Issued by EPA)	5	MS4 Program Implementation - Status of Permit Issuance
Annual Number of New Permits-Major	89	PCS or ICIS Query: New Standard (individual) NPDES in the previous 3 years
Annual Number of New Permits-Minor	1,518	PCS or ICIS Query: New Standard (individual) NPDES in the previous 3 years
Annual Number of New State Issued Permits-General	15	PCS or ICIS Query: New general permits (not permittees) in the previous 3 years
Total Number of Existing POTWs ≽1.0 mgd	3,958	PCS or ICIS Query: SIC 4952 POTW
Total Number of Existing POTWs 0.1 - 1.0 mgd	5,354	PCS or ICIS Query: SIC 4952 POTW
Total Number of Existing POTWs ≺0.1 mgd	3,020	PCS or ICIS Query: SIC 4952 POTW
Total Number of Existing POTWs Unknown Flow	1,353	PCS or ICIS Query: SIC 4952 POTW
Total Adjusted Number of Existing POTWs ≽1.0 mgd	4,391	PCS or ICIS Query: SIC 4952; adjusted to account for facilities without flow information in PCS
Total Adjusted Number of Existing POTWs 0.1 - 1.0 mgd	5,942	PCS or ICIS Query: SIC 4952; adjusted to account for facilities without flow information in PCS
Total Adjusted Number of Existing POTWs ≺0.1 mgd	3,352	PCS or ICIS Query: SIC 4952; adjusted to account for facilities without flow information in PCS
Total Number of Existing PrOTWs	3,462	PCS or ICIS Query: SIC 4952 PrOTW
Total Number of Industrial stormwater dischargers covered by a Multi-Sector General Permit (MSGP)	89,415	Jack Faulk, personal communication. Tuesday 5/21/2008 5:57 PM. Reaffirmed by Brian Rittenhouse 9/22/2011.
Annual Number of Notice of Termination (NOT) from Industrial stormwater dischargers under the Multi-Sector General Permit (MSGP)	6,857	Estimate from previous ICR.
Annual Number of Municipal Sludge Facilities required under their sewage sludge permit conditions to submit Permittee Reports of Planned Facility Changes and Anticipated Noncompliance.	153	Estimate from previous ICR.
Annual Number of Nonmunicipal Sludge Facilities required under their sewage sludge permit conditions to submit Permittee Reports of Planned Facility Changes and Anticipated Noncompliance.	10	Estimate from previous ICR.
Annual Number of sludge facilities required to submit Permittee Reports of Inaccurate Previous Information under sewage sludge use or disposal conditions	30	Estimate from previous ICR.
Total Number of Non-Stormwater General Permittees (State-issued)	57,058	GPCFs September 2011, excluding GM O&G Permit. From Jackie Clark
Total Number of Non-Stormwater General Permittees (EPA-issued)	5,367	GPCFs September 2011, excluding GM O&G Permit. From Jackie Clark
Uniform Federal Transportation/Utility System Application Form (Alaskan Lands Application)	3	Estimate from previous ICR.
MS4 Petition for Individual Permit	24	Estimate from previous ICR.
Permit Consolidation Request	0	Estimate from previous ICR was 2. Changed by Dave Hair.
Notification of Construction Prior to Wastewater Permit Issuance	3	Estimate from previous ICR.
NPDES Ocean Discharge Information	30	Estimate from previous ICR.
Total Number of CAFO Permittees	0	Burden for this activity moved to Supporting Statement for the Information Collection Request for Animal Sectors. OMB Control No. 2040-0250, EPA ICR No. 1989.07. May 2010
Total Number of CAAP Permittees	0	Burden for this activity moved to Supporting Statement for the Information Collection Request for Animal Sectors. OMB Control No. 2040-0250, EPA ICR No. 1989.07. May 2010
Annual Number of POTWs required to submit compliance schedule reports regarding sewage sludge permit conditions	100	Estimate from previous ICR.
Annual Number of PrOTWs required to submit compliance schedule reports regarding sewage sludge permit conditions	32	Estimate from previous ICR.
Annual Number of POTWs required to submit non-compliance reports regarding sewage sludge permit conditions	31	Estimate from previous ICR.
Annual Number of PrOTWs required to submit non-compliance reports regarding sewage sludge permit conditions	10	Estimate from previous ICR.
Annual Number of permittees required to respond to Section 308(a) letters	1,200	Estimate from previous ICR.
Total Number of Pesticides Packaging and Repackaging facilities with certification potential	326	Estimate from previous ICR.
Total Number of Aluminum Forming facilities with certification potential	76	Estimate from previous ICR.
Total Number of Coil Coating facilities with certification potential	101	Estimate from previous ICR.
Total Number of Can Making (subcategory of coil coating) facilities with certification potential	18	Estimate from previous ICR.
Total Number of Porcelain Enameling* facilities with certification potential	54	Estimate from previous ICR.
Total Number of Pharmaceutical Manufacturing facilities with certification potential	130	Estimate from previous ICR.
Total Number of Pulp, Paper, and Paperboard facilities with certification potential	361	Estimate from previous ICR.
Total Number of Subpart B, Bleached Papergrade Kraft and Soda facilities with certification potential	74	Estimate from previous ICR.
Total Number of Building Paper and Board Mills facilities with certification potential	174	Estimate from previous ICR.
Total Number of Steam Electric facilities with certification potential	1,372	Estimate from previous ICR.
Total Number of Electroplating** facilities with certification potential	0	Estimate from previous ICR.
Total Number of Metal Finishing facilities with certification potential	2,032	Estimate from previous ICR.
Total Number of Electrical and Electronic Components facilities with certification potential	86	Estimate from previous ICR.
Annual Number of Part 435 Certification of Oil and Gas Extraction	68	Estimate from previous ICR.
Annual Number of sites to be permitted Coal Remining at AML with pre-existing discharges (AL)	0	Economic and Environmental Impact Assessment of Effluent Limitations Guidelines and Standards for the Coal Mining Industry: Remining and Western Alkaline Subcategories (EPA-821-B-01-013).
Annual Number of sites to be permitted Coal Remining at AML with pre-existing discharges (IL)	0	Economic and Environmental Impact Assessment of Effluent Limitations Guidelines and Standards for the Coal Mining Industry: Remining and Western Alkaline Subcategories (EPA-821-B-01-013).
Annual Number of sites to be permitted Coal Remining at AML with pre-existing discharges (IN)	5	Economic and Environmental Impact Assessment of Effluent Limitations Guidelines and Standards for the Coal Mining Industry: Remining and Western Alkaline Subcategories (EPA-821-B-01-013).
Annual Number of sites to be permitted Coal Remining at AML with pre-existing discharges (KY)	7	Economic and Environmental Impact Assessment of Effluent Limitations Guidelines and Standards for the Coal Mining Industry: Remining and Western Alkaline Subcategories (EPA-821-B-01-013).
Annual Number of sites to be permitted Coal Remining at AML with pre-existing discharges (MD)	1	Economic and Environmental Impact Assessment of Effluent Limitations Guidelines and Standards for the Coal Mining Industry: Remining and Western Alkaline Subcategories (EPA-821-B-01-013).
Annual Number of sites to be permitted Coal Remining at AML with pre-existing discharges (OH)	21	Economic and Environmental Impact Assessment of Effluent Limitations Guidelines and Standards for the Coal Mining Industry: Remining and Western Alkaline Subcategories (EPA-821-B-01-013).
Annual Number of sites to be permitted Coal Remining at AML with pre-existing discharges (PA)	26	Economic and Environmental Impact Assessment of Effluent Limitations Guidelines and Standards for the Coal Mining Industry: Remining and Western Alkaline Subcategories (EPA-821-B-01-013).
Annual Number of sites to be permitted Coal Remining at AML with pre-existing discharges (TN)	9	Economic and Environmental Impact Assessment of Effluent Limitations Guidelines and Standards for the Coal Mining Industry: Remining and Western Alkaline Subcategories (EPA-821-B-01-013).
Annual Number of sites to be permitted Coal Remining at AML with pre-existing discharges (VA)	9	Economic and Environmental Impact Assessment of Effluent Limitations Guidelines and Standards for the Coal Mining Industry: Remining and Western Alkaline Subcategories (EPA-821-B-01-013).
Annual Number of sites to be permitted Coal Remining at AML with pre-existing discharges (WV)	0	Economic and Environmental Impact Assessment of Effluent Limitations Guidelines and Standards for the Coal Mining Industry: Remining and Western Alkaline Subcategories (EPA-821-B-01-013).
Total Number of Western Alkaline Coal Mining with Sediment Control	46	Need to get from EPA. Original Source: 1998 Keystone Coal Industry Manual (as cited in EPA ICR No. 1944.03). These mines are in AZ, CO, MT, NM, ND, UT and WY. All except NM have NPDES authorization.
Total number of Subpart B, Bleached Papergrade Kraft and Soda Enrolled in Milestone Plans	29	EPA ICR No. 1877.03
Total Number of Subpart B, Bleached Papergrade Kraft and Soda anticipated to Enrolled in Milestone Plans (Tier One Mills)	0	Estimate from previous ICR.
Total Number of Subpart B, Bleached Papergrade Kraft and Soda anticipated to Enrolled in Milestone Plans (Tier Two Mills)	0	Estimate from previous ICR.
Total Number of Subpart B, Bleached Papergrade Kraft and Soda anticipated to Enrolled in Milestone Plans (Tier Three Mills)	0	Estimate from previous ICR.
Total Number of Subpart B Bleached Papergrade Kraft & Soda, Direct Discharging facilities	75	Estimate from previous ICR.
Total Number of Subpart E Ca / Sodium / Mg Sulfite, Direct Discharging facilities	5	Estimate from previous ICR.
Total Number of Subpart E Ammonium Sulfite, Direct Discharging facilities	2	Estimate from previous ICR.
Total Number of Subpart E Specialty Grade, Direct Discharging facilities	2	Estimate from previous ICR.
Total number of Minor (Municipal) Dischargers not required to report	1,719	PCS or ICIS Query: STANDARD (municipal and nonmunicipal) minor reporting frequency
Total number of Minor (nonmunicipal) Dischargers not required to report	10,751	PCS or ICIS Query: STANDARD (municipal and nonmunicipal) minor reporting frequency
Total number of Minor (Municipal) Dischargers that report Monthly	6,569	PCS or ICIS Query: STANDARD (municipal and nonmunicipal) minor reporting frequency
Total number of Minor (nonmunicipal) Dischargers that report Monthly	11,996	PCS or ICIS Query: STANDARD (municipal and nonmunicipal) minor reporting frequency
Total number of Minor (Municipal) Dischargers that report Bimonthly	32	PCS or ICIS Query: STANDARD (municipal and nonmunicipal) minor reporting frequency
Total number of Minor (nonmunicipal) Dischargers that report Bimonthly	119	PCS or ICIS Query: STANDARD (municipal and nonmunicipal) minor reporting frequency
Total number of Minor (Municipal) Dischargers that report Quarterly	940	PCS or ICIS Query: STANDARD (municipal and nonmunicipal) minor reporting frequency
Total number of Minor (nonmunicipal) Dischargers that report Quarterly	3,843	PCS or ICIS Query: STANDARD (municipal and nonmunicipal) minor reporting frequency
Total number of Minor (Municipal) Dischargers that report Semi-Annually	9	PCS or ICIS Query: STANDARD (municipal and nonmunicipal) minor reporting frequency
Total number of Minor (nonmunicipal) Dischargers that report Semi-Annually	219	PCS or ICIS Query: STANDARD (municipal and nonmunicipal) minor reporting frequency
Total number of Minor (Municipal) Dischargers that report Annually	202	PCS or ICIS Query: STANDARD (municipal and nonmunicipal) minor reporting frequency
Total number of Minor (nonmunicipal) Dischargers that report Annually	1,205	PCS or ICIS Query: STANDARD (municipal and nonmunicipal) minor reporting frequency
Percent of Non-stormwater General Permittees not required to report	72.6%	PCS or ICIS Query: General Permits (non-stormwater) reporting frequency
Percent of Non-stormwater General Permittees that report Monthly	7.8%	PCS or ICIS Query: General Permits (non-stormwater) reporting frequency
Percent of Non-stormwater General Permittees that report Bimonthly	0.4%	PCS or ICIS Query: General Permits (non-stormwater) reporting frequency
Percent of Non-stormwater General Permittees that report Quarterly	9.3%	PCS or ICIS Query: General Permits (non-stormwater) reporting frequency
Percent of Non-stormwater General Permittees that report Semi-Annually	6.4%	PCS or ICIS Query: General Permits (non-stormwater) reporting frequency
Percent of Non-stormwater General Permittees that report Annually	3.6%	PCS or ICIS Query: General Permits (non-stormwater) reporting frequency
Total Number of Domestic Septage Haulers	4,784	Estimate from previous ICR.
Sludge Only, Class I Mgmt Facilities (Municipal Biosolids)	113	PCS or ICIS Query: Sludge Only Municipal by Sludge Type
Sludge Only, Non-Class I Mgmt Facilities (Municipal Biosolids)	1	PCS or ICIS Query: Sludge Only Municipal by Sludge Type
Sludge Only, Unknown Class Mgmt Facilities (Municipal Biosolids)	840	PCS or ICIS Query: Sludge Only Municipal by Sludge Type
Sludge Only, Class I Mgmt Facilities (Industrial)	73	PCS or ICIS Query: Sludge Only Nonmunicipal by Sludge Type
Sludge Only, Non-Class I Mgmt Facilities (Industrial)	39	PCS or ICIS Query: Sludge Only Nonmunicipal by Sludge Type
Sludge Only, Unknown Class Mgmt Facilities (Industrial Biosolids)	217	PCS or ICIS Query: Sludge Only Nonmunicipal by Sludge Type
Sludge / NPDES POTWs, Class I Sludge Mgmt Facilities	989	PCS or ICIS Query: SIC 4952 (POTW) by sludge type
Sludge / NPDES POTWs, Non-Class I Sludge Mgmt Facilities	1,070	PCS or ICIS Query: SIC 4952 (POTW) by sludge type
Sludge / NPDES POTWs, Unknown Class Sludge Mgmt Facilities	11,626	PCS or ICIS Query: SIC 4952 (POTW) by sludge type
Sludge / NPDES PrOTWs, Class I Sludge Mgmt Facilities	113	PCS or ICIS Query: SIC 4952 (PrOTW) by sludge type
Sludge / NPDES PrOTWs, Non-Class I Sludge Mgmt Facilities	73	PCS or ICIS Query: SIC 4952 (PrOTW) by sludge type
Sludge / NPDES PrOTWs, Unknown Class Sludge Mgmt Facilities	3,276	PCS or ICIS Query: SIC 4952 (PrOTW) by sludge type
Total number of Major Municipal facilities in the Great Lakes Watershed	269	PCS or ICIS Great Lakes Queries
Total number of Major Nonmunicipal facilities in the Great Lakes Watershed	190	PCS or ICIS Great Lakes Queries
Total number of Minor Municipal facilities in the Great Lakes Watershed	796	PCS or ICIS Great Lakes Queries
Total number of Minor Nonmunicipal facilities in the Great Lakes Watershed	1,068	PCS or ICIS Great Lakes Queries
Additional facilities that will require WQBEL monitoring under the Great Lakes Program	176	Assessment of Compliance Costs Resulting from Implementation of the Final Great Lakes Water Quality Guidance (March 13, 1995)
Municipal facilities required to develop approvable control strategies (Pollutant Minimization Programs) under the Great Lakes Program	20	EPA estimate
Municipal facilities required to Implement control strategies (Pollutant Minimization Programs) under the Great Lakes Program	170	EPA estimate
Nonmunicipal facilities required to develop approvable control strategies (Pollutant Minimization Programs) under the Great Lakes Program	40	EPA estimate
Nonmunicipal facilities required to implement approvable control strategies (Pollutant Minimization Programs) under the Great Lakes Program	250	EPA estimate
Annual modification and variance request under the Great Lakes Program	18	Assessment of Compliance Costs Resulting from Implementation of the Final Great Lakes Water Quality Guidance (March 13, 1995)
Total number of Municipalities with Combined Sewer Systems	746	Personal communication, Mohammed Billah 10/17/2011
Total number of CSO Permits	853	Personal communication, Mohammed Billah 10/17/2011, 11/30/11
CSO permits with LTCP Permit Requirements	734	Personal communication, Mohammed Billah 10/17/2011, 11/30/11
Municipalities that will submit NMC documentation in the next 3 years - Small	0	Personal communication, Mohammed Billah 10/17/2011, 11/30/11
Municipalities that will submit NMC documentation in the next 3 years - Medium	0	Personal communication, Mohammed Billah 10/17/2011, 11/30/11
Municipalities that will submit NMC documentation in the next 3 years - Large	0	Personal communication, Mohammed Billah 10/17/2011, 11/30/11
Percentage of Municipalities that Choose Public Notification - Option 1 (Signs at outfalls)	43%	Previous CSO Control Policy ICR (OMB No. 2040-0170; EPA ICR No. 1680.04)
Percentage of Municipalities that Choose Public Notification - Option 2 (Signs at beaches, other public exposure areas)	43%	Previous CSO Control Policy ICR (OMB No. 2040-0170; EPA ICR No. 1680.04)
Percentage of Municipalities that Choose Public Notification - Option 3 (Press or radio advisories)	30%	Previous CSO Control Policy ICR (OMB No. 2040-0170; EPA ICR No. 1680.04)
Small Permittees Writing LTCP that have existing studies	8	6.6% of CSO permits that will submit LTCP (OMB No. 2040-0170; EPA ICR No. 1680.04)
Medium Permittees Writing LTCP that have existing studies	16	13.1% of CSO permits that will submit LTCP (OMB No. 2040-0170; EPA ICR No. 1680.04)
Large Permittees Writing LTCP that have existing studies	5	4.3% of CSO permits that will submit LTCP (OMB No. 2040-0170; EPA ICR No. 1680.04)
Small Permittees Writing LTCP that do not have existing studies	71	59.3% of CSO permits that will submit LTCP (OMB No. 2040-0170; EPA ICR No. 1680.04)
Medium Permittees Writing LTCP that do not have existing studies	15	12.8% of CSO permits that will submit LTCP (OMB No. 2040-0170; EPA ICR No. 1680.04)
Large Permittees Writing LTCP that do not have existing studies	5	3.9% of CSO permits that will submit LTCP (OMB No. 2040-0170; EPA ICR No. 1680.04)

Table A2. Unique Respondents

Respondent Type	Number
Annual Number of Construction Starts > 1 acre	84,472
Total Number of Small MS4s	6,632
Total Number of Large/Medium MS4s	770
Total Number of Existing Standard and sludge only Individual NPDES Permits	45,636
Total Number of Industrial stormwater dischargers covered by a Multi-Sector General Permit (MSGP)	89,415
Total Number of Existing NPDES Permits - Nonmunicipal Stormwater (individual Permit)	783
Total Number of Industrial Facilities eligible for the "no exposure" to stormwater waver from Phase I regulations	36,377
Total Number of Non-Stormwater General Permittees	57,058
Total Number of Domestic Septage Haulers	4,784
Total number of Municipalities with Combined Sewer Systems	746
Total number of Vessels	71,030
Total non-state respondents	397,703
Authorized States	47
States. Tribes, territories and DC	637 *
* 590 of these 637 states respond to only one information item (certification of EPA-issued permits) [C40]

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