Appendix B. Detailed Respondent Burden Results by Category

Appendix B. Detailed Respondent Burden Results by Category
Activity Description

Permittees

Permit Category

Permit Type

Activity Category

Recordkeepinga

All Permits

All
Applications
DMRs

Individual Permits

Reports
Monitoring
Other

NPDES Individual
Permits

Great Lakes Program

POTW Sludge Mangement
and CSO

PrOTWS Sludge Mangement

POTW Pretreatment
Programs

All
Applications
DMRs
Reports
Monitoring
CSO Notification
Other
Applications
DMRs
Monitoring
Program Development
Program Implementation
Program/Categorical
Determination
IU Reporting, Notifications,
Monitoring, Special Requests

Pretreatment

Program Implementation
SIUs

Stormwater

Phase I MS4s
Non-municipal Permits
Phase II MS4s

Stormwater Industrial

Stormwater Construction

General Permits

Non-Stormwater

Pesticides Applicators

Large Vessels

Small Vessels

Program/Categorical
Determination-Special
Requests
Monitoring, Recordkeeping
Applications
Reports
Monitoring
Other
Applications
NOI
Reports
NOI
DMRs
Monitoring/ Inspections
Special Reports
Other
NOI/NOT
Inspections
Reports
Other
NOI
DMRs
Monitoring
Reports
Other
NOI
Monitoring
Reports
Other
NOI/NOT/PARI
Reports
Inspections
Monitoring
PARI
Inspections

Labor Type
Municipal
Private
Private
Municipal
Private
Municipal
Private
Municipal
Private
Municipal
Private
Municipal
Private
Municipal
Municipal
Municipal
Municipal
Municipal
Municipal
Private
Private
Private
Municipal
Municipal

capital /
startup
cost

O&M Cost

$0
$0
$0 $2,730,779
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$31,984 $15,363,188
$0
$0
$0
$0
$0
$0
$0
$0
$0 $5,742,615
$0
$0
$0
$0
$0
$0
$23,556
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0

Authorized State Agencies

Total
Total Number
Number of
Annual
Total Hours /
Annualized
of
Response
Number of
Year
Capital and
s Year
Respondentsb Respondents
O&M Cost
$0
35,192
53,587
53,587
224,061
$2,730,779
1,014,336
3,033,343 3,033,343
3,620,367
$0
12,240
12,240
12,240
171,225
$0
13,433
143,337
143,337
294,878
$0
18,425
203,778
203,778
536,295
$0
19,558
54,180
54,180
90,131
$0
12,735
13,974
13,974
39,448
$0
26,880
286,693
286,693
5,131,298
$15,367,742
37,280
393,175
393,175
4,561,709
$0
1,338
1,338
1,338
6,322
$0
9,380
11,797
11,797
333,549
$0
805
4,561
4,561
24,310
$0
1,212
2,600
2,600
23,370
$5,742,615
8,156
8,156
8,156
52,230
$0
7,898
24,867
24,867
49,733
$0
111
211
211
189
$0
18,902
55,113
55,113
360,836
$3,353
865
4,163
4,163
12,954
$0
381
374
374
122,565
$0
658
658
658
5,723
$0
1,883
7,882
7,882
15,764
$0
14,252
26,287
26,287
132,375
$0
7
145
145
2,357
$0
1,576
26,611
26,611
598,825

Total Labor
Cost
$8,355,250
$207,881,477
$9,831,753
$10,995,989
$30,794,050
$3,360,991
$2,265,075
$191,346,101
$261,933,339
$235,732
$19,152,392
$906,529
$1,341,898
$1,947,640
$1,854,552
$7,048
$13,455,580
$483,065
$4,570,449
$328,607
$905,187
$7,600,993
$87,880
$22,330,200

Municipal

$0

$0

$0

1,576

28

28

1,375

$51,274

Municipal
Private

$0
$2,566

$0
$0

$0
$2,566

1,576
22,139

0
66,310

0
66,310

75,883
735,175

$2,829,686
$42,213,771

Private
Private
Municipal
Municipal
Municipal
Municipal
Private

$0
$0
$0
$0
$0
$0
$0

$0
$2,565,555
$0
$0
$0
$0
$0

$0
$2,565,555
$0
$0
$0
$0
$0

22,139
22,139
35
196
352
90
1,792

22
0
35
200
7,040
90
1,792

22
0
35
200
7,040
90
1,792

139
0
2,816
44,050
401,280
8,248
6,532

$7,981
$0
$105,009
$1,642,621
$14,963,731
$307,568
$375,090

Municipal
Municipal
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private

$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0

$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0

$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0

1,326
7,163
17,883
18,992
216,813
1,922
25,228
164,148
82,074
1,697
88,732
12,485
23,162
46,324
13,952
624
365,000
365,000
365,000
365,000
14,588
75,736
160,472
800
9,183
45,913

1,326
7,328
17,883
22,790
231,910
1,922
25,228
164,148
1,313,646
1,697
108,194
12,485
114,752
229,504
13,952
624
1,927
6,794
450,410
1,854
14,588
75,736
160,472
1,600
27,548
12,522

1,326
7,328
17,883
22,790
231,910
1,922
25,228
164,148
1,313,646
1,697
108,194
12,485
114,752
229,504
13,952
624
1,927
6,794
450,410
1,854
14,588
75,736
160,472
1,600
27,548
12,522

79,584
664,237
28,970
45,580
495,477
6,793
150,136
288,833
565,681
7,329
2,403,544
12,485
229,757
885,194
47,879
624
3,813
46,041
112,603
28,211
13,050
85,959
151,293
9,600
6,887
3,130

$2,967,687
$24,769,400
$1,663,484
$2,617,215
$28,450,267
$390,054
$8,620,780
$16,584,774
$32,481,403
$420,831
$138,011,499
$716,889
$13,192,633
$50,827,851
$2,749,212
$35,830
$218,944
$2,643,691
$6,465,636
$1,619,902
$749,357
$4,935,777
$8,687,244
$551,232
$395,449
$179,749

O&M Cost

Number of
Annual
Number of Responses
Year
Respondents
68

Total
Hours /
Year
26,173

Total Labor
Cost

$0

258

$1,181,464

$0

690

36,449

29,979

$1,353,255

$0

722

321,413

107,953

$4,872,978

$0

5,147

81,259

162,179

$7,320,762

$0

2,682

30,053

452,000

$20,403,284

$0

28

99

598

$26,990

$0
$0

58
16

1,620
102

450
26

$20,329
$1,151

$0

174

308

4,026

$181,731

$0
$0

36
36

0
2,346

100
49,559

$4,514
$2,237,078

$0

36

0

67,875

$3,063,875

0.0

141

41

821

$37,051

0.0

47

22,153

5,907

$266,662

0.0
$0

47
188

6,504
155,694

1,626
97,309

$73,398
$4,392,517

0.0
0.0
$0
0.0

141
141
47
47

527
6,242
11,412
104,390

8,668
6,242
2,853
27,837

$391,274
$281,782
$128,780
$1,256,577

0.0

376

11,271

16,835

$759,932

$0
0.0

47
47

1,725
5,412

842
5,773

$37,998
$260,614

Appendix B. Detailed Respondent Burden Results by Category
Permit Category

Permit Type

CAFO

Animal Sector

Activity Category
Start-up
NPDES Application
NMP
Inspection
Reports
NPDES Application
General Permit Application

CAAP

Phase I New Facility
CWIS

Phase III New Offshore Oil &
Gas
Existing Facility
Industrial Facility "No
Stormwater Exposure"
Airports
Alaska Lands

BMP Plan
INAD Program
Report
Application
Permit Renewal
Annual Activities
Application
Permit Renewal
Annual Activities
Application and Initial
Annual Activities
Certification
Certification
Application
DMRs

Other
Reports
Electronic Reporting
Implementation
Other
NPDES Individual Permits
All Permits
State Activities

NPDES Individual Permits
All Permits
Total

a

Labor Type
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Private
Municipal
Private
Municipal
Private
Municipal
Private
Municipal
Private

capital /
startup
cost
$0
$0
$0
$0
$0
$0

O&M Cost

Total Labor
Cost

$0
$0
$0
$0
$0
$0

231
3,189
3,189
4,111
21,923
35

231
3,189
3,189
4,111
21,923
35

231
3,189
3,189
4,111
21,923
35

692
28,699
542,085
16,444
49,824
208

$39,717
$1,647,874
$31,126,516
$944,241
$2,860,893
$11,920

$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$417,473
$417,473
$0 $1,063,638 $1,063,638
$599,356
$206,974
$806,330
$152,351
$5,960
$158,311
$0
$5,960
$5,960
$0
$847,934
$847,934
$0 $13,415,373 $13,415,373
$0 $1,135,294 $1,135,294

37
193
16
145
14
98
6
6
6
44
1,449
1,067

37
503
34
46
107
397
47
36
36
183
3,139
1,180

37
503
34
46
107
397
47
36
36
183
3,139
1,180

74
5,116
43
203
22,304
99,771
13,702
2,703
836
54,207
1,453,632
15,357

$4,272
$293,746
$2,440
$11,656
$1,280,677
$5,728,836
$786,762
$155,206
$48,003
$3,112,538
$83,467,549
$881,780

7,275
198
3
0
0
0
0
0
0
14,253
23,849

7,275
198
3
0
0
0
0
0
0
57,012
95,396

7,275
198
3
0
0
0
0
0
0
57,012
95,396

5,457
198
90
0
0
0
0
0
0
5,701
9,540

$313,315
$11,369
$5,168
$0
$0
$0
$0
$0
$0
$212,598
$547,764

$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0

$0
$0
$0
$0
$0
$0

Total
Total Number
Number of
Annual
Total Hours /
Annualized
of
Response
Number of
Year
Capital and
s Year
Respondentsb Respondents
O&M Cost

$0
$0
$0
-$197,768
-$410,580
-$35,435
-$319,153
$0
$0
$0
$0

$0
$0
$0
-$197,768
-$410,580
-$35,435
-$319,153
$0
$0
$0
$0

Certification of EPA-issued
Permits
Inspection & Investigation
Submittal of Permit
Information to EPA
NPDES Program
Authorization
Municipal
Private
Overall

$23,556 $5,509,412 $5,512,765
$786,257 $37,028,396 $37,787,223
$809,813 $42,537,808 $43,299,988

736,396
6,927,340
7,663,735

Includes recordkeeping from all permit types
b
The Annual Number of Respondents listed for each activity includes double counting of respondents that perform multiple activities that fall within in each group.

8,253,864
$307,786,577
18,131,723 $1,041,123,562
26,385,587 $1,348,910,138

O&M Cost

Number of
Annual
Number of Responses
Year
Respondents

Total
Hours /
Year

Total Labor
Cost

$0

44

6,377

255,099

$11,515,159

$0
$0

44
46

24,993
25

142,486
12

$6,431,811
$563

$0
$0
$0
$0
$2,127
$349
$5,046

46
46
46
46
6
13
93

0
40
46
82
44
87
363

0
10
73
51
1,589
1,060
4,171

$0
$456
$3,295
$2,302
$71,712
$47,833
$188,264

$189,499
$524,563

384
1,065

805
2,152

10,801
26,965

$487,537
$1,217,208

$0

47

6,901

6,901

$311,502

$0

47

1,058,517

-793,888

-$35,836,093

$0

47

619,611

-77,451

-$3,496,155

$0

47

47

195,520

$8,825,773

-$362,562

757

86,443

140,109

$6,324,533

$0
$0

846
188

26,626
1,859

861,832
974

$38,903,096
$43,944

$0

18

14

1,481

$66,874

$0

0

0

250

$11,285

$359,021

47

2,634,121

1,853,675

$83,674,896

Appendix C. Table C.1 Agency Burden for NPDES Program Authority Activities

EPA Regions - Program
Administration in Non-NPDES
Authorized States

Activity Description
Permit Category

Permit Type

Recordkeeping

All Permits

Activity Category

Number of
Responses
Year

Total
Hours /
Year

Total Labor
Cost

All
Applications
DMRs

Individual Permits

O&M Costs

Reports

$0
$0

164
7,643

154
2,370

$6,598
$101,465

$0

5,505

10,387

$444,792

$0

17,140

28,173

$1,206,387

$0
$0
$0

249
18,444
216

356
4,919
111

$15,259
$210,610
$4,773

$0

1

1

$43

$0
$0

6,577
46

1,754
12

$75,100
$505

$0

8,168

21,582

$924,150

$0
$0
$0
$0

2
0
2
0

100
6
1
4

$4,282
$244
$24
$171

$0
$0
$0
$0
$0

1
72
375
1,274
637

0
289
773
319
170

$17
$12,366
$33,080
$13,638
$7,276

$0
$0
$0

133
958
8,457

1,514
958
5,872

$64,829
$41,022
$251,452

$0
$0
$0
$0

25
123
1,073
6,058

436
123
268
1,615

$18,670
$5,267
$11,491
$69,174

$0
$0

135
32

1,564
128

$66,970
$5,481

$0

820

776

$33,247

$0
$0

25,076
88,032

6,770
12,149

$289,909
$520,200

$0
$0

1,600
27,548

800
1,377

$34,256
$58,980

Monitoring
Other
NPDES
Individual
Permits

Great Lakes
Program

POTWS

PrOTWS

POTW Pretreatment
Programs

Applications
DMRs
Reports
Monitoring
CSO Notification
Other
Applications
DMRs
Monitoring
Program Development
Program Implementation
Program/Categorical Determination
IU Reporting, Notifications, Monitoring, Special
Requests

Pretreatment

SIUs

Phase I MS4s
Stormwater
Non-municipal
Permits
Phase II MS4s

Stormwater
Industrial

Stormwater
Construction

General Permits

All

Non-Stormwater

Pesticides
Applicators

Large Vessels

Small Vessels

Program Implementation
Program/Categorical Determination-Special
Requests
Monitoring, Recordkeeping
Applications
Reports
Monitoring
Other
Applications
NOI
Reports
NOI
DMRs
Monitoring/ Inspections
Special Reports
Other
NOI/NOT
Inspections
Reports
Other
NOI
DMRs
Monitoring
Reports
Other
NOI
Monitoring
Reports
Other
NOI/NOT/PARI
Reports
Inspections
Monitoring
PARI
Inspections

Appendix C. Table C.1 Agency Burden for NPDES Program Authority Activities

EPA Regions - Program
Administration in Non-NPDES
Authorized States

Activity Description
Permit Category

Permit Type

CAFO
Animal Sector
CAAP

Phase I New Facility
CWIS

Phase III New
Offshore Oil & Gas
Existing Facility

Activity Category
Start-up
NPDES Application
NMP
Inspection
Reports
NPDES Application
General Permit Application
BMP Plan
INAD Program
Report
Application
Permit Renewal
Annual Activities
Application
Permit Renewal
Annual Activities
Application and Initial Compliance
Annual Activities

Industrial Facility
"No Stormwater
Exposure"
Certification
Airports
Alaska Lands

O&M Costs

Number of
Responses
Year

Total
Hours /
Year

Total Labor
Cost

$304,290

2,817

44,083

$1,887,655

$5,453

55

40

$1,691

$108
$18
$257

2
4
19

83
55
233

$3,559
$2,363
$9,997

$4,680
$1,290
$34,500

78
172
131

1,998
2,150
16,085

$85,554
$92,063
$688,764

$0

375

375

$16,040

$0
$0

3
167,330

2
-125,498

$77
-$5,373,803

$0

7,175

-897

-$38,404

-$27,656

6,711

0

$0

$322,940

411,460

Certification
Certification
Application
DMRs

Other

Reports
Electronic
Reporting

Implementation
Other
Certification of EPA-issued Permits

State Activities

NPDES Individual
Permits
NPDES Individual
Permits
NPDES Individual
Permits

Inspection & Investigation
Submittal of Permit Information to EPA
NPDES Program Authorization

All Permits

NPDES Program Authorization

Total

44,542 $1,907,288

Appendix C. Table C.2 Agency Burden for NPDES Program Oversight
Activities

Request for NPDES Program Approval

Once

$0

Number of
Responses
Year
0.33

Request for NPDES Program Modification - Authority to Issue General Permits

Occasionally/As Needed

$0

0

0

$0

Request for NPDES Program Modification - Authority to Issue Permits to Federal Facilities

Occasionally/As Needed

$0

0

0

$0

Request for NPDES Program Modification - Update Legal Authority in Other Areas

Occasionally/As Needed

$0

4

200

$8,564

Request for Program Transfer / Withdrawal
Request for Sewage Sludge Program Approval under Part 501
NPDES Quarterly, Semiannual and Annual Reports
Annual Sewage Sludge Noncompliance Reports
State Oversight - Review DMR
State Oversight - Follow-up of DMR
State Oversight - Review NMC Documentation
State Oversight - Review LTCPs - Small
State Oversight - Review LTCPs - Medium
State Oversight - Review LTCPs - Large
State Oversight - Permit Reissuance or Other Mechanisms (under 308)
State Oversight - Recordkeeping
Program Oversight (BMP, Bleached Papergrade Kraft and Soda)
Support to State and Local entities (BMP, Bleached Papergrade Kraft and Soda)
Coal Remining Initial Burden-Additional EPA review
Coal Remining Recurring Burden-Additional EPA review
Western Alkaline Initial Burden-Additional EPA review
Western Alkaline Recurring Burden-Additional EPA review
Support for 20% of DMRs submitted to NPDES States (Minimum Monitoring Requirements for Direct Mills)
Maintain the water quality database to serve as the Information Clearinghouse
CWIS Phase I Program Oversight
Operate and maintain the necessary changes in the ICIS-NPDES system for Electronic Reporting
Electronic Reporting Oversight letters
Total

Occasionally/As Needed
Once
Yearly
Yearly
Ongoing
Ongoing
Ongoing
Ongoing
Ongoing
Ongoing
Every 5 years
Ongoing
Ongoing
Ongoing
Once
Ongoing
Once
Ongoing
Ongoing
Yearly
Ongoing
Ongoing
Ongoing

$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
$312
$0
$0
$312

1
0.3
235
8.7
40
20
0
3
2
0
6.2
0
1
83
0
234
0
41
199
1
6
1
4,875
5,761

Activity Description

Frequency of Reporting

O&M
Cost

Total
Total Labor
Hours /
Cost
Year
416
$17,813

240
$10,277
133
$5,709
3,525 $150,941
477
$20,411
7
$286
10
$428
0
$0
59
$2,526
66
$2,826
0
$0
248
$10,619
0
$0
10
$428
664
$28,432
0
$0
1,872
$80,159
0
$0
328
$14,045
100
$4,265
400
$17,128
177
$7,579
16,389 $701,777
2,437 $104,367
27,758 $1,188,581

Appendix D. Number of Respondents in Each Input
Category
NPDES Individual Permits
Total Existing Major NPDES Permits - Municipal
Total Existing Minor NPDES Permits - Municipal
Total Existing NPDES Permits - Municipal
Total Existing Sludge Only NPDES Permits - Municipal
Total Existing Major NPDES Permits - Non-Municipal
Total Existing Minor NPDES Permits - Non-Municipal
Total Existing NPDES Permits - Non-Municipal
Total Existing Sludge Only NPDES Permits - Non-Municipal
Annual New Permits-Major
Annual New Permits-Minor
Authorized NPDES States
Non-authorized NPDES States
Total Existing POTWs
Total POTW Sludge Mgmt Facilities
Total PrOTW Sludge Mgmt Facilities
Total Domestic Septage Haulers
Total Municipalities with Combined Sewer Systems
Authorized CSO Program, with CSO
Pesticides Packaging & Repacking

Current
Estimate
4,035
10,218
14,253
1,073
1,920
21,929
23,849
264
35
1673
47
4
12,588
8,332
3,025
4,784
862
29
326

Pretreatment
Growth-adjusted total No. of SIUs
Growth-adjusted No. of CIUs
Total No. of Approved Programs
Number of States Approved
Estimated new pretreatment programs per year
POTWs in 403.10(e) States

22,139
9,541
1,576
36
6.7
85

Stormwater
Total Phase I (Medium/Large) MS4s
Total Existing Nonmunicipal Stormwater (individual Permit)
Total Industrial Facilities eligible for the "no exposure" to sto

770
245
36,377

General Permits
Total Phase II (Small) MS4s
General Permits Stormwater - Industrial
General Permits Stormwater - Construction starts >1 acre
General Permits Other – non-stormwater
Total Non-Stormwater General Permittees (State-issued)
Total Non-Stormwater General Permittees (EPA-issued)
Total Pesticides General Permittees
Total Large Vessels VGP
Total Small Vessels sVGP

6,632
89,415
84,472
62,425
57,058
5,367
365,000
72,942
137,739

Animal Sector
Authorized States for CAFOs
Total Number of CAFO Facilities that discharge
New CAFOs per Year
Authorized States for CAAP
Concentrated Aquatic Animal Production (CAAP) facilities
Total Number of permitted CAFOs

44
15,944
231
46
359
19,930

Appendix D. Number of Respondents in Each Input
Category
CWIS New Facility
Average annual CWIS permit renewals
Average annual number of New CWIS facilities
Average annual number of new CWIS permits

14
98
6

CWIS Phase III
Average annual new offshore Oil & Gas facilities applying fo
Average annual new offshore Oil & Gas re-applying for an N
Average Annual new offshore Oil & Gas facilities performing

6
6
43

CWIS Existing Facility
Total Power plants
Total Power plants with DIF greater than 50 MGD
Total power plants with AIF greater than 125 MGD
Total Manufacturers with cooling water
Total Manufacturers with AIF greater than 125 MGD
Annual new power plant units
Annual new manufacturer units

544
442
354
521
26
1
1

Miscellaneous
Total Number of Airports
Total Alaskan Lands Permit Applicants
Annual Number of Part 435 Certification of Oil and Gas Extr
States, Tribes, territories and DC*
States Authorized for sludge program
New State NPDES Program
Request for Sewage Sludge Program Approval (40 CFR §
501.11)
Request for NPDES Program Modification - Authority to
Issue General Permits
Request for NPDES Program Modification - Authority to
Issue Permits to Federal Facilities
Request for NPDES Program Modification - Update Legal
Authority in Other Areas
Request for Program Transfers/Withdrawals (40 CFR §
123.64)

198
3
68
637
8
1
1
0
0
12
3

Electronic Reporting Rule
Number DMRs Municipal
Number DMRs Private
Number Reports Municipal
Number Reports Private

168,204
349,202
61,920
557,691

Appendix E. Number of Unique Respondents
Unique Respondent Type
Annual Number of Construction Starts > 1 acre
Total Number of Phase II (Small) MS4s
Total Number of Phase I (Large/Medium) MS4s

Total
84,472
6,632
770

Total Number of Existing Standard and sludge only Individual NPDES Permits

39,439

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)

245

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
Total number of Municipalities with Combined Sewer Systems
Total number of Vessels
Total Number of Alaskan Lands Permit Applicants
Total Number of Airports

4,784
746
210,681
3
198

Total Number of Significant Industrial Users (Pretreatment)

22,139

Total Number of Discharging CAFO Facilities

15,944

Total Number of Pesticides Applicators
Total Federal Permits

365,000
480

Total non-state respondents (permittees)

934,383

Total non-state and non-vessel respondents

723,702

Authorized States
States, Tribes, territories and DC*
*590 of these 637 are not states and respond to only one information item (certification of EPA-issued permits)

47
637