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96:
121:
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338:– a system still used on this dam today. The level of the water is regulated by the flashboards and the metal pins that hold them back. When there is too much water going over the top of the dam, the pins bend backwards, releasing the boards, and the outflow of the dam is increased.
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is the largest power canal system in the United States, at 5.6 miles in length. It is operating through six major canals on two levels, controlled by numerous gates. The system was begun in the 1790s, beginning its life as a transportation canal called the
1165:
345:, also an invention of James B. Francis. Today, the Gatehouse is controlled electrically and remotely by Boott Hydroelectric, who is partially a continuation of the Proprietors of Locks and Canals, and who operates a 24-megawatt
333:
The dam itself, which was built twenty years earlier, was lengthened at that time, diverting the entire
Merrimack (during periods of lower flow) into the two canal system entrances above it. It is a stone dam topped with wooden
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allowed the
Associates to sell water power to other companies, starting with the Hamilton Canal, leading to the explosive growth of the town, and then shortly thereafter, city, of Lowell.
95:
160:
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423:
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By the late 1840s, Lowell's canal system was producing as much power as possible. However, the Chief
Engineer of Locks and Canals, an Englishman by the name of
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681:
353:
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devised the
Northern Canal and the Moody Street Feeder, to increase the capacity of, and availability of water to various parts of, the whole system. The
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283:. Within a few years, the new industrial center that became Lowell was using canals feeding off a widened and deepened Pawtucket Canal as a
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The
Gatehouse contains ten wooden gates that control the flow of the Merrimack into the canal. Originally, they were opened by a
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Pawtucket
Gatehouse, from the above the falls side. Barge lock chamber to the right of the gatehouse.
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Transportation buildings and structures on the
National Register of Historic Places in Massachusetts
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Water transportation buildings and structures on the
National Register of Historic Places
673:
640:", 16 photos, 1 measured drawing, 1 data page, 2 photo caption pages
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862:
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654:", 8 photos, 5 measured drawings, 1 data page, 1 photo caption page
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was constructed to control flow from behind the
Pawtucket Dam into the Northern Canal.
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896:
779:
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Historic districts on the
National Register of Historic Places in Massachusetts
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127:
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Pawtucket Gatehouse, from across the river, during a minor spring flood
429:
National Register of Historic Places listings in Lowell, Massachusetts
1166:
Canals on the National Register of Historic Places in Massachusetts
720:
704:
413:
1847: Northern Canal, Moody Street Feeder, and Pawtucket Gatehouse
313:
305:
451:
365:
677:
647:", 14 photos, 1 data page, 2 photo caption pages
668:", 6 photos, 4 data pages, 1 photo caption page
1146:
National Register of Historic Places in Lowell, Massachusetts
661:", 2 photos, 1 data page, 1 photo caption page
633:", 7 photos, 1 data page, 1 photo caption page
626:", 2 photos, 1 data page, 1 photo caption page
619:", 3 photos, 1 data page, 1 photo caption page
612:", 5 photos, 1 data page, 1 photo caption page
605:", 3 photos, 1 data page, 1 photo caption page
598:", 4 photos, 1 data page, 1 photo caption page
591:", 4 photos, 1 data page, 1 photo caption page
584:", 5 photos, 1 data page, 1 photo caption page
577:", 3 photos, 1 data page, 1 photo caption page
563:", 6 photos, 1 data page, 1 photo caption page
556:", 4 photos, 1 data page, 1 photo caption page
570:", 1 photo, 1 data page, 1 photo caption page
535:
documentation, filed under Lowell, Middlesex County, MA:
279:
bought up the old Pawtucket Canal in what was then East
1156:
Historic American Engineering Record in Massachusetts
1141:
Historic districts in Middlesex County, Massachusetts
352:
The Canal System and the Gatehouse were designated a
424:
List of National Historic Landmarks in Massachusetts
938:
915:
886:
847:
838:
719:
233:
225:
220:
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154:
144:
1151:Locks on the National Register of Historic Places
775:Lowell Power Canal System and Pawtucket Gatehouse
16:Historic district in Massachusetts, United States
689:
8:
1136:National Historic Landmarks in Massachusetts
844:
696:
682:
674:
77:
264:, bypassing the 30-plus-foot drop of the
252:, which was constructed to get logs from
57:U.S. National Register of Historic Places
49:Lowell Locks and Canals Historic District
362:Historic Mechanical Engineering Landmark
66:U.S. National Historic Landmark District
440:
1016:High Service Water Tower and Reservoir
452:"National Register Information System"
446:
444:
40:
291:. The first of these canals was the
7:
1121:Historic Civil Engineering Landmarks
533:Historic American Engineering Record
457:National Register of Historic Places
374:National Register of Historic Places
638:Northern Canal, Pawtucket Gatehouse
407:1831: Lawrence Canal, Western Canal
354:Historic Civil Engineering Landmark
83:A 1975 map showing the canal system
568:Hamilton Canal, Wasteway Gatehouse
547:Lowell Canal System, Pawtucket Dam
14:
1131:Infrastructure completed in 1821
645:Northern Canal, Great River Wall
589:Western Canal, Tremont Gatehouse
126:
119:
101:
94:
34:History of Lowell, Massachusetts
1126:Canals in Lowell, Massachusetts
370:Lowell National Historical Park
301:Proprietors of Locks and Canals
297:Merrimack Manufacturing Company
21:Pawtucket Falls (Massachusetts)
666:Moody Street Feeder, Gatehouse
582:Western Canal, Hickey Hall Dam
209:
1:
624:Eastern Canal, Boott Penstock
135:Show map of the United States
1056:South Meadow Brook Reservoir
816:Salem Beverly Waterway Canal
603:Lawrence Canal, Lawrence Dam
38:United States historic place
976:Briggs Reservoir (Plymouth)
752:Hampshire and Hampden Canal
652:Northern Canal, Waste Gates
561:Hamilton Canal, Guard Gates
260:to shipbuilding centers at
203:Nathan Appleton, Kirk Boott
1197:
971:Briggs Reservoir (Manomet)
596:Western Canal, Guard Gates
378:National Historic Landmark
299:. The repurposing of the
262:Newburyport, Massachusetts
31:
18:
281:Chelmsford, Massachusetts
275:of the recently deceased
245:Lowell Power Canal System
208:NRHP reference
110:Show map of Massachusetts
88:
76:
72:
63:
54:
47:
43:
878:Whiting Street Reservoir
617:Eastern Canal, Boott Dam
376:in 1976, and declared a
368:in 1985 and are part of
19:Not to be confused with
1181:Gatehouses (waterworks)
1011:Great Sandy Bottom Pond
981:Chestnut Hill Reservoir
917:Taunton River Watershed
664:HAER No. MA-9-A, "
650:HAER No. MA-8-C, "
643:HAER No. MA-8-B, "
636:HAER No. MA-8-A, "
622:HAER No. MA-7-B, "
615:HAER No. MA-7-A, "
594:HAER No. MA-5-C, "
587:HAER No. MA-5-B, "
580:HAER No. MA-5-A, "
566:HAER No. MA-4-B, "
559:HAER No. MA-4-A, "
545:HAER No. MA-1-A, "
372:. It was added to the
349:on the Northern Canal.
319:
311:
996:Fort Meadow Reservoir
991:Fisher Hill Reservoir
946:Aaron River Reservoir
925:Little Quittacas Pond
657:HAER No. MA-9, "
629:HAER No. MA-8, "
608:HAER No. MA-7, "
601:HAER No. MA-6, "
573:HAER No. MA-5, "
552:HAER No. MA-4, "
538:HAER No. MA-1, "
462:National Park Service
317:
309:
176:42.64556°N 71.32000°W
149:Lowell, Massachusetts
1006:Great Quittacas Pond
758:Holyoke Canal System
511:NPS NHL Listing info
493:ASME Landmark report
401:1825: Hamilton Canal
295:, which powered the
277:Francis Cabot Lowell
271:In the early 1820s,
234:Designated NHLD
986:East Head Reservoir
907:Wachusett Reservoir
829:Turners Falls Canal
659:Moody Street Feeder
540:Lowell Canal System
410:1835: Eastern Canal
328:Pawtucket Gatehouse
285:direct power source
181:42.64556; -71.32000
172: /
1091:Walden Pond (Lynn)
1036:Neponset Reservoir
822:South Hadley Canal
516:2012-04-01 at the
498:2011-08-16 at the
480:2012-03-14 at the
475:ASCE Landmark page
404:1828: Lowell Canal
384:Timeline of canals
320:
312:
1108:
1107:
1104:
1103:
1076:Sudbury Reservoir
1021:Little South Pond
873:Quabbin Reservoir
849:Connecticut River
764:Jeremiah's Gutter
736:Broad Brook Canal
464:. April 15, 2008.
241:
240:
237:December 22, 1977
221:Significant dates
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1096:Weston Reservoir
1081:Sugden Reservoir
1061:Stockbridge Bowl
1026:Littleville Lake
956:Assawompset Pond
930:Norton Reservoir
858:Ashley Reservoir
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730:Blackstone Canal
698:
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324:James B. Francis
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888:Merrimack River
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810:Pawtucket Canal
791:Middlesex Canal
785:Merrimack Canal
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518:Wayback Machine
509:
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500:Wayback Machine
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482:Wayback Machine
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397:Merrimack Canal
391:Pawtucket Canal
386:
380:the next year.
343:Francis Turbine
293:Merrimack Canal
266:Pawtucket Falls
258:Merrimack River
250:Pawtucket Canal
229:August 13, 1976
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1041:Otis Reservoir
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966:Blackmore Pond
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863:Lake Monomonac
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770:Lechmere Canal
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746:Cape Cod Canal
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631:Northern Canal
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554:Hamilton Canal
550:
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527:External links
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360:in 1984 and a
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32:Main article:
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897:Haggetts Pond
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780:Madaket Ditch
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713:Massachusetts
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610:Eastern Canal
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575:Western Canal
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289:textile mills
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254:New Hampshire
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226:Added to NRHP
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797:Mother Brook
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1066:Stony Brook
1051:Silver Lake
1031:Miscoe Lake
951:Accord Pond
803:North Canal
741:Broad Canal
336:flashboards
179: /
155:Coordinates
1115:Categories
1086:Tully Lake
1071:Stump Pond
1046:Round Pond
1001:Fresh Pond
868:Lake Wyola
840:Reservoirs
709:reservoirs
435:References
347:hydroplant
287:for their
273:Associates
167:71°19′12″W
164:42°38′44″N
902:Lost Lake
890:Watershed
851:Watershed
256:down the
200:Architect
961:Big Pond
514:Archived
496:Archived
478:Archived
418:See also
215:76001972
145:Location
364:by the
356:by the
939:Others
721:Canals
705:Canals
395:1822:
389:1796:
192:Built
707:and
366:ASME
358:ASCE
243:The
195:1821
711:of
210:No.
23:or
1117::
460:.
454:.
443:^
268:.
697:e
690:t
683:v
549:"
542:"
27:.
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