MID-CHARLTON UNIT II

Lease 17807 · OTSEGO County, Michigan · Otsego County - Antrim field

Gas soldWater1991–202638 wells
Operator (latest)
RIVERSIDE ENERGY MICHIGAN LLC
Field type (as filed)
G
First production
1991
Last production
2026

Operators

4 runs on this lease, as filed month by month.

OperatorFromTo
RIVERSIDE ENERGY MICHIGAN LLCAug 2021Jun 2026
BREITBURN OPERATING LIMITED PARTNERSHIPJan 2008Jul 2021
QUICKSILVER RESOURCES INCJan 2004Dec 2007
TERRA ENERGY LTDMar 1991Dec 2003

Monthly gas sold production

421 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Mar 1991 to Jun 2026. Volumes are MCF at lease level — a lease can cover many wells, so this is not a well's output. This is gas SOLD, which is what left the unit. Michigan files no produced-gas volume, so the two are not the same number and this page does not present one as the other.

Total over the months shown
9,749,318 MCF
Months filed
421
MonthGas sold (MCF)
Jun 20260
May 20260
Apr 20260
Mar 20260
Feb 20260
Jan 20260
Dec 20250
Nov 20250
Oct 20250
Sep 20250
Aug 20250
Jul 20250
Jun 20250
May 20250
Apr 20250
Mar 20250
Feb 20250
Jan 20250
Dec 20240
Nov 20240
Oct 20240
Sep 20240
Aug 20240
Jul 20240
Jun 20240
May 20240
Apr 20240
Mar 20240
Feb 20240
Jan 20240
Dec 20230
Nov 20230
Oct 20230
Sep 20230
Aug 20230
Jul 20230
Jun 20230
May 20230
Apr 20230
Mar 20230
Feb 20230
Jan 20230
Dec 20220
Nov 20220
Oct 20220
Sep 20220
Aug 20220
Jul 20220
Jun 20220
May 20220
Apr 20220
Mar 20220
Feb 20220
Jan 20220
Dec 20210
Nov 20210
Oct 20210
Sep 20210
Aug 20210
Jul 20210
Jun 20210
May 20210
Apr 20210
Mar 20210
Feb 20210
Jan 20210
Dec 20200
Nov 20200
Oct 20200
Sep 20200
Aug 20200
Jul 2020107
Jun 20200
May 20200
Apr 20200
Mar 20200
Feb 20200
Jan 20200
Dec 20190
Nov 20190
Oct 20190
Sep 20190
Aug 20192,518
Jul 20194,307
Jun 20194,341
May 20194,433
Apr 20194,548
Mar 20194,161
Feb 20193,958
Jan 20194,500
Dec 20184,399
Nov 20184,596
Oct 20184,804
Sep 20184,252
Aug 20184,876
Jul 20184,728
Jun 20184,653
May 20184,858
Apr 20184,941
Mar 20185,203
Feb 20184,562
Jan 20185,118
Dec 20175,282
Nov 20174,794
Oct 20175,114
Sep 20174,830
Aug 20175,079
Jul 20175,361
Jun 20175,061
May 20175,385
Apr 20175,324
Mar 20175,920
Feb 20175,678
Jan 20176,824
Dec 20169,135
Nov 20166,975
Oct 20167,737
Sep 20167,665
Aug 20167,505
Jul 20167,288
Jun 20167,523
May 20167,451
Apr 20167,454
Mar 20167,946
Feb 20167,783
Jan 20168,901
Dec 20159,244
Nov 20158,891
Oct 20159,026
Sep 20158,671
Aug 20159,057
Jul 20159,278
Jun 20159,359
May 20159,911
Apr 20159,332
Mar 20159,717
Feb 20151,808
Jan 20152,227
Dec 20142,310
Nov 20142,367
Oct 20143,394
Sep 20142,577
Aug 201411,415
Jul 201411,799
Jun 201411,033
May 201412,295
Apr 201410,469
Mar 201410,695
Feb 201410,343
Jan 201411,907
Dec 201312,327
Nov 201311,816
Oct 201313,231
Sep 201313,110
Aug 201313,671
Jul 201313,777
Jun 201313,782
May 201314,425
Apr 201313,163
Mar 201313,891
Feb 201312,573
Jan 201314,167
Dec 201214,229
Nov 201214,032
Oct 201215,133
Sep 201214,071
Aug 201215,734
Jul 201215,070
Jun 201214,097
May 201215,279
Apr 201218,242
Mar 201214,819
Feb 201214,215
Jan 201215,527
Dec 201116,420
Nov 201115,964
Oct 201116,647
Sep 201116,086
Aug 201116,925
Jul 201117,173
Jun 201116,236
May 201116,593
Apr 201115,635
Mar 201112,979
Feb 201112,830
Jan 201116,713
Dec 201017,316
Nov 201016,521
Oct 201017,541
Sep 201016,901
Aug 201018,421
Jul 201018,631
Jun 201017,787
May 201017,628
Apr 201017,642
Mar 201017,407
Feb 201016,439
Jan 201018,842
Dec 200918,599
Nov 200918,286
Oct 200917,349
Sep 200913,021
Aug 200911,993
Jul 200912,183
Jun 200912,329
May 200912,831
Apr 200911,312
Mar 200910,680
Feb 20098,442
Jan 20099,145
Dec 20089,375
Nov 200810,786
Oct 200812,147
Sep 200811,913
Aug 20088,904
Jul 200812,149
Jun 20083,107
May 200812,494
Apr 200811,525
Mar 200811,229
Feb 200811,085
Jan 200812,251
Dec 200712,281
Nov 200712,334
Oct 200712,914
Sep 200712,460
Aug 200712,454
Jul 200712,240
Jun 200711,040
May 200711,066
Apr 200710,895
Mar 200711,712
Feb 200710,168
Jan 20079,749
Dec 200610,884
Nov 20069,534
Oct 200611,718
Sep 200610,934
Aug 200610,875
Jul 200611,297
Jun 200611,081
May 20069,965
Apr 20068,606
Mar 20067,838
Feb 20067,898
Jan 20069,316
Dec 200510,099
Nov 20059,218
Oct 200510,206
Sep 200510,659
Aug 200511,035
Jul 200510,253
Jun 200510,705
May 200512,524
Apr 200511,636
Mar 200511,152
Feb 200510,093
Jan 200510,419
Dec 200410,702
Nov 200410,613
Oct 200410,475
Sep 20049,670
Aug 200410,591
Jul 200411,275
Jun 200410,325
May 200411,249
Apr 200411,216
Mar 20049,875
Feb 20049,074
Jan 200410,784
Dec 200312,543
Nov 200310,955
Oct 200311,996
Sep 200311,455
Aug 200311,728
Jul 200311,794
Jun 20037,675
May 200316,923
Apr 200314,977
Mar 200314,559
Feb 200313,510
Jan 200315,702
Dec 200216,036
Nov 200216,856
Oct 200217,645
Sep 200216,878
Aug 200217,188
Jul 200217,855
Jun 200217,269
May 200216,976
Apr 200216,771
Mar 200218,206
Feb 200216,931
Jan 200218,945
Dec 200119,050
Nov 200117,202
Oct 200116,990
Sep 200117,466
Aug 200119,680
Jul 200120,491
Jun 200121,554
May 200123,267
Apr 200119,977
Mar 200122,011
Feb 200118,608
Jan 200120,701
Dec 200020,015
Nov 200021,110
Oct 200023,164
Sep 200022,135
Aug 200021,698
Jul 200023,747
Jun 200022,708
May 200024,574
Apr 200024,749
Mar 200026,810
Feb 200025,343
Jan 200026,402
Dec 199926,255
Nov 199923,555
Oct 199924,786
Sep 199925,583
Aug 199922,964
Jul 199922,365
Jun 199923,797
May 199925,450
Apr 199925,404
Mar 199927,586
Feb 199925,830
Jan 199925,014
Dec 199825,842
Nov 199830,974
Oct 199830,765
Sep 199831,017
Aug 199834,864
Jul 199834,274
Jun 199832,406
May 199843,778
Apr 199841,427
Mar 199847,334
Feb 199836,630
Jan 199840,442
Dec 199741,628
Nov 199742,340
Oct 199744,624
Sep 199743,826
Aug 199747,901
Jul 199749,339
Jun 199750,129
May 199753,691
Apr 199749,580
Mar 199751,817
Feb 199749,340
Jan 199762,828
Dec 199663,147
Nov 199658,365
Oct 199659,448
Sep 199650,009
Aug 199652,613
Jul 199655,166
Jun 199657,590
May 199654,948
Apr 199652,349
Mar 199636,505
Feb 199633,783
Jan 199659,177
Dec 199564,364
Nov 199567,133
Oct 199550,516
Sep 199567,295
Aug 199572,321
Jul 199574,951
Jun 199564,511
May 199578,380
Apr 199579,206
Mar 199579,240
Feb 199577,663
Jan 199594,750
Dec 199495,013
Nov 199456,293
Oct 199491,866
Sep 199491,867
Aug 199470,102
Jul 199487,001
Jun 199483,715
May 199478,313
Apr 199483,358
Mar 199443,284
Feb 199447,116
Jan 199471,937
Dec 199388,160
Nov 1993100,613
Oct 1993100,346
Sep 199391,863
Aug 1993109,129
Jul 1993105,273
Jun 199395,432
May 1993101,332
Apr 199398,685
Mar 199390,116
Feb 199385,757
Jan 1993102,375
Nov 1992108,906
Oct 1992120,701
Sep 1992125,388
Jun 1992136,914
May 1992141,776
Apr 1992142,068
Mar 1992146,102
Feb 1992129,862
Jan 1992119,794
Dec 1991120,622
Nov 1991114,436
Oct 1991126,478
Sep 1991114,688
Aug 1991111,840
Jul 199177,905
Jun 199154,475
May 199144,160
Apr 199131,540
Mar 199130,174

Lease-level volumes as filed with the Michigan Department of Environment, Great Lakes, and Energy.

Monthly water production

421 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Mar 1991 to Jun 2026. Volumes are bbl at lease level — a lease can cover many wells, so this is not a well's output.

Total over the months shown
2,208,058 bbl
Months filed
421
MonthWater (bbl)
Jun 20260
May 20260
Apr 20260
Mar 20260
Feb 20260
Jan 20260
Dec 20250
Nov 20250
Oct 20250
Sep 20250
Aug 20250
Jul 20250
Jun 20250
May 20250
Apr 20250
Mar 20250
Feb 20250
Jan 20250
Dec 20240
Nov 20240
Oct 20240
Sep 20240
Aug 20240
Jul 20240
Jun 20240
May 20240
Apr 20240
Mar 20240
Feb 20240
Jan 20240
Dec 20230
Nov 20230
Oct 20230
Sep 20230
Aug 20230
Jul 20230
Jun 20230
May 20230
Apr 20230
Mar 20230
Feb 20230
Jan 20230
Dec 20220
Nov 20220
Oct 20220
Sep 20220
Aug 20220
Jul 20220
Jun 20220
May 20220
Apr 20220
Mar 20220
Feb 20220
Jan 20220
Dec 20210
Nov 20210
Oct 20210
Sep 20210
Aug 20210
Jul 20210
Jun 20210
May 20210
Apr 20210
Mar 20210
Feb 20210
Jan 20210
Dec 20200
Nov 20200
Oct 20200
Sep 20200
Aug 20200
Jul 20200
Jun 20200
May 20200
Apr 20200
Mar 20200
Feb 20200
Jan 20200
Dec 20190
Nov 20190
Oct 20190
Sep 20190
Aug 20197,800
Jul 201912,423
Jun 201911,684
May 201911,659
Apr 201911,468
Mar 20199,412
Feb 20199,211
Jan 201912,264
Dec 201814,249
Nov 201815,998
Oct 201816,885
Sep 201814,877
Aug 201817,248
Jul 201817,432
Jun 201817,974
May 201818,065
Apr 201815,826
Mar 201817,631
Feb 201819,237
Jan 201822,157
Dec 201722,499
Nov 201719,171
Oct 201718,110
Sep 201714,782
Aug 201714,838
Jul 201716,277
Jun 201714,911
May 201713,430
Apr 201714,438
Mar 201715,790
Feb 201713,598
Jan 201716,046
Dec 201615,960
Nov 201616,004
Oct 201617,352
Sep 201618,903
Aug 201615,817
Jul 201616,370
Jun 201615,545
May 201615,758
Apr 201615,086
Mar 201616,980
Feb 201615,156
Jan 201616,175
Dec 201515,976
Nov 201515,194
Oct 201515,501
Sep 201514,114
Aug 201512,846
Jul 201512,583
Jun 201511,861
May 201512,969
Apr 20157,489
Mar 20156,828
Feb 20151,505
Jan 20152,201
Dec 20142,680
Nov 20142,798
Oct 20145,641
Sep 20143,170
Aug 20149,695
Jul 20148,959
Jun 201414,304
May 201415,901
Apr 201412,556
Mar 20146,714
Feb 20147,873
Jan 201411,698
Dec 201311,361
Nov 201310,581
Oct 201310,808
Sep 201310,317
Aug 201310,347
Jul 20139,787
Jun 20139,232
May 20139,406
Apr 20138,919
Mar 20138,977
Feb 20138,174
Jan 20138,641
Dec 20128,103
Nov 20127,270
Oct 20127,481
Sep 20127,003
Aug 20127,283
Jul 20127,114
Jun 20126,698
May 20127,970
Apr 20128,212
Mar 20127,722
Feb 20126,720
Jan 20127,075
Dec 20117,985
Nov 20117,950
Oct 20118,191
Sep 20118,048
Aug 20117,072
Jul 20116,362
Jun 20115,945
May 20116,552
Apr 20116,707
Mar 20116,491
Feb 20115,943
Jan 20116,712
Dec 20106,630
Nov 20106,222
Oct 20106,666
Sep 20106,282
Aug 20106,547
Jul 20106,083
Jun 20106,241
May 20106,421
Apr 20106,742
Mar 20107,563
Feb 20106,773
Jan 20108,032
Dec 20098,965
Nov 20098,511
Oct 20098,691
Sep 20096,997
Aug 20097,188
Jul 20097,161
Jun 20096,967
May 20097,041
Apr 20096,687
Mar 20096,697
Feb 20095,673
Jan 20096,533
Dec 20085,985
Nov 20086,308
Oct 20087,014
Sep 20086,644
Aug 20085,051
Jul 20086,943
Jun 20081,619
May 2008530
Apr 20086,418
Mar 200815,537
Feb 200814,431
Jan 200812,209
Dec 200711,366
Nov 20075,856
Oct 20075,719
Sep 20075,462
Aug 20075,797
Jul 20079,026
Jun 20077,540
May 20078,557
Apr 20076,315
Mar 20076,545
Feb 20076,228
Jan 20076,184
Dec 20065,339
Nov 20065,363
Oct 20065,852
Sep 20065,857
Aug 20065,891
Jul 20065,772
Jun 20067,157
May 20066,891
Apr 20067,099
Mar 20067,321
Feb 20066,379
Jan 20067,685
Dec 20057,717
Nov 20057,975
Oct 20059,214
Sep 20057,787
Aug 200510,732
Jul 200514,399
Jun 20059,016
May 200514,863
Apr 200511,236
Mar 200514,611
Feb 200513,703
Jan 200515,873
Dec 200412,786
Nov 200413,753
Oct 200419,328
Sep 20048,870
Aug 20048,931
Jul 20049,055
Jun 20048,322
May 20049,110
Apr 20048,971
Mar 20049,009
Feb 20048,580
Jan 20049,216
Dec 20039,249
Nov 20038,529
Oct 20039,486
Sep 20039,167
Aug 200310,997
Jul 200312,489
Jun 20039,455
May 20031,619
Apr 20031,611
Mar 20031,767
Feb 20031,455
Jan 20031,528
Dec 20021,653
Nov 20021,587
Oct 20021,719
Sep 20021,619
Aug 20021,637
Jul 20021,713
Jun 20021,720
May 20021,729
Apr 20021,659
Mar 20021,773
Feb 20021,627
Jan 20021,781
Dec 20011,831
Nov 20011,886
Oct 20011,878
Sep 20012,052
Aug 20012,276
Jul 20012,920
Jun 20012,051
May 20012,035
Apr 20012,275
Mar 20013,012
Feb 20013,248
Jan 20012,381
Dec 20002,635
Nov 20002,744
Oct 20003,091
Sep 20002,831
Aug 20002,249
Jul 20002,157
Jun 20002,272
May 20002,129
Apr 20002,146
Mar 20002,502
Feb 20002,490
Jan 20002,817
Dec 19992,908
Nov 19993,246
Oct 19994,469
Sep 19991,415
Aug 19991,161
Jul 19997,498
Jun 19996,577
May 19997,854
Apr 19997,961
Mar 19996,405
Feb 19994,359
Jan 19998,069
Dec 19985,247
Nov 19984,302
Oct 19983,834
Sep 19983,793
Aug 19984,595
Jul 19984,356
Jun 19983,945
May 19984,304
Apr 19983,577
Mar 19984,094
Feb 19984,002
Jan 19985,032
Dec 19974,871
Nov 19974,807
Oct 19974,651
Sep 19974,737
Aug 19974,639
Jul 19974,469
Jun 19974,684
May 19975,305
Apr 19973,766
Mar 19974,561
Feb 19974,571
Jan 19975,546
Dec 1996—
Nov 1996—
Oct 1996—
Sep 1996—
Aug 1996—
Jul 1996—
Jun 1996—
May 1996—
Apr 1996—
Mar 1996—
Feb 1996—
Jan 1996—
Dec 1995—
Nov 1995—
Oct 1995—
Sep 1995—
Aug 1995—
Jul 1995—
Jun 1995—
May 1995—
Apr 1995—
Mar 1995—
Feb 1995—
Jan 1995—
Dec 1994—
Nov 1994—
Oct 1994—
Sep 1994—
Aug 1994—
Jul 1994—
Jun 1994—
May 1994—
Apr 1994—
Mar 1994—
Feb 1994—
Jan 1994—
Dec 1993—
Nov 1993—
Oct 1993—
Sep 1993—
Aug 1993—
Jul 1993—
Jun 1993—
May 1993—
Apr 1993—
Mar 1993—
Feb 1993—
Jan 1993—
Nov 1992—
Oct 1992—
Sep 1992—
Jun 1992—
May 1992—
Apr 1992—
Mar 1992—
Feb 1992—
Jan 1992—
Dec 1991—
Nov 1991—
Oct 1991—
Sep 1991—
Aug 1991—
Jul 1991—
Jun 1991—
May 1991—
Apr 1991—
Mar 1991—

Lease-level volumes as filed with the Michigan Department of Environment, Great Lakes, and Energy.

Wells on this lease

38 wells the state's well register assigns to this lease. Every one has a page. Michigan files the dates a well entered and left the unit, and a unit's members include injection, observation and dry holes — a member is not a producer.

WellNo.TypeOperatorStatusIn the unit
STATE CHARLTON11-28Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedAug 1991 — Jun 2025
BEJIN14-3Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — Aug 2025
BEJIN10-3Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — Aug 2025
BEJIN15-3Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — Aug 2025
PANGBORN7-3Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — Oct 2023
PANGBORN1-3Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — Sep 2023
PANGBORN3-3Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — Sep 2023
PANGBORN4-3Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — Sep 2023
STATE CHARLTON10-33Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — May 2025
STATE CHARLTON11-33Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — May 2025
STATE CHARLTON3-2Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — Sep 2023
STATE CHARLTON1-4Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — Jun 2025
STATE CHARLTON6-33Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — May 2025
KOHLER8-33Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — May 2025
STATE CHARLTON5-2Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — Oct 2023
STATE CHARLTON16-33Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — May 2025
BEJIN12-3Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — Aug 2025
STATE CHARLTON9-4Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJan 1991 — Aug 2025
PONTISSOD1-10Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedSep 1991 — Aug 2025
PONTISSOC2-10Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedSep 1991 — Aug 2025
DANIELSA1-10Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedSep 1991 — Aug 2025
KUZNICKI16-28Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedAug 1991 — Jun 2025
STATE CHARLTON13-33Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedAug 1991 — Jun 2025
STATE CHARLTON13-28Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedAug 1991 — Aug 2025
STATE CHARLTON13-28 HDLNatural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedOct 2005 — Oct 2005
STATE CHARLTON13-28 HDL1Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedOct 2005 — Oct 2005
STATE CHARLTON13-28 HDN1Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedAug 2008 — Aug 2008
STATE CHARLTON13-28 HD1Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedJun 2008 — Jun 2008
STATE CHARLTON10-28Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedAug 1991 — Jun 2025
STATE CHARLTON10-28 HDLNatural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedOct 2005 — Oct 2005
STATE CHARLTON10-28 HDN1Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedFeb 2008 — Feb 2008
STATE CHARLTON10-28 HDNatural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedFeb 2008 — Feb 2008
STATE CHARLTON14-29Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCTemporarily AbandonedSep 1991 — still
STATE CHARLTON10-29Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCTemporarily AbandonedSep 1991 — still
STATE CHARLTON15-28Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedOct 1991 — Jun 2025
STATE CHARLTON14-28Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCPlugging CompletedNov 1991 — Aug 2025
STATE DOVER16-36Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCProducingDec 1991 — Dec 1991
STATE DOVER9-36Natural Gas WellRIVERSIDE ENERGY MICHIGAN LLCProducingDec 1991 — Dec 1991

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 17807.