# The Petroleum (Production) (Landward Areas) Regulations 1991, Paragraph 7


In this Schedule the expression “low water line” means the line so marked on the Ordnance Survey maps on a scale of 1:25,000 in the edition for the areas to which they respectively relate last published prior to the date on which these Regulations are made, and any reference to a map reference point shall be construed as a reference to a point having that map reference on the National Grid for those Ordnance Survey maps.
TABLE 1
POINTS AT MOUTHS OF SPECIFIED ESTUARIES AND OTHER INDENTATIONS OF THE COAST
Name of estuary or other indentation
National Grid Reference
Name of Feature
1
Firth of Clyde
NR 716074
Cove point
NR 718046
Sanda Island (Black Point)
NR 725037
Sanda Island Lighthouse
NW 962695
Laggen Hill
2
Wigtown Bay
NX 494464
Eggerness Point
NX 546513
Ringdoo Point
3
Solway Firth
NX 653432
Fox Craig (Meikle Ross)
NX 943134
St Bees Head
4
Duddon Sands
SD 130763
Haverigg Point
SD 168685
Mill Scar
5
Morecambe Bay
SD 220612
Hilpsford Point
SD 304490
Rossall Point
6
River Ribble
SD 286250
Salter’s Bank
SD 300202
Horse Bank
7
Liverpool Bay
SD 262052
Formby Point
SJ 131855
Point of Ayr
8
Beaumaris Bay
SH 744786
Penmaenbach point
SH 641815
Trwyn Du
9
Holyhead Harbour
SH 281849
Twyn Cliperau
SH 257847
Breakwater Head
10
Cymyran Bay
SH 294750
Traeth Llydan
SH 297748
Traeth Cymyran
11
Llanddwyn Bay
SH 386623
Llanddwyn Island
SH 429585
Morfa Dinlleu
12
Milford Haven
SM 819036
West Blockhouse Point
SM 840027
Rat Island
13
Carmarthen Bay
SN 309062
Laugharne Sands
SS 397926
Burry Holms
14
Bristol Channel
ST 311806
West Usk Lighthouse
ST 303627
Birnbeck Island
15
Padstow Bay
SW 925784
Shag Rock
SW 915785
Stepper Point
16
Falmouth Harbour
SW 827315
Pendennis Point
SW 845311
St Anthony Head
17
Plymouth Sound
SX 443486
Penlee Point
SX 490486
Renney Rocks
18
Salcombe River
SX 725359
Bolt Head
SX 766355
Gammon Head
19
Solent (west side)
SZ 319897
Hurst Castle
SZ 292849
Needles Point
20
Solent (east side)
SZ 663876
Foreland
SZ 684990
Fort Cumberland (Eastney Point)
21
Thames Estuary
TR 227694
Reculver
TM 174142
Clacton-on-Sea
22
Harwich Harbour
TM 268244
The Naze
TM 283311
Landguard Point
23
The Wash
TF 701452
Gore Point
TF 565571
Gibraltar Point
24
River Humber
TA 374048
Northcoates Point
TA 397104
Spurn Head
25
Holy Island Harbour (Lindisfarne)
NU 137403
Parton Shiel
NU141415
Castle Point
26
Firth of Forth
NT 496864
Eyebroughy
NT 496993
Elie Ness
27
Firth of Tay
NO 538159
Kinkell Ness
NO 546302
Buddon Ness
28
Moray Firth
NH 807587
Whiteness Head
NH812670
Sutors Stacks
NH812670
Sutors Stacks
NH 813686
North Sutor
29
Dornoch Firth
NH 815857
Whiteness
NH 809871
Dornoch Point
30
Tongue Bay
NC 641638
Port an-t Srathain
NC 572663
Geodh' an Fhuarain
31
Loch Eriboll
NC 502687
Whiten Head
NC 392719
Faraid Head
32
Kyle of Durness
NC 392719
Faraid Head
NC 349717
A'Ghoil
TABLE 2
POINTS BETWEEN CAPE WRATH AND THE MULL OF KINTYRE
National Grid Reference
Name of Feature
1
NC 257748
Cape Wrath
2
NB 519669
Lith Sgeir
3
NB 472634
Dell Rock
4
NB 186451
Tiumpan
5
NB 142442
Mas Sgeir
6
NB 115435
Stac nam Balg
7
NB 048399
Sgeir Gallen
8
NB 036382
Gallen Beag
9
NA 993324
Eilean Molach
10
NA 873118
Gasker
11
NF 594809
Haskeir Eagach
12
NF 572646
Huskeiran
13
NF 707301
Rudha Ardvule
14
NF 646049
Greian Head
15
NL 620988
—
16
NL 614979
Ard a' Chaolais
17
NL 606963
Biruaslum
18
NL 549843
Guarsay Mor
19
NL 542819
Sron an Duin
20
NL 546803
Skate Point
21
NL 840262
Skerryvore
22
NM 121031
Dubh Artach
23
NR 151538
Frenchman’s Rocks
24
NR 162510
An Coire
25
NR 268 414
Mull of Oa
26
NR 589071
Mull of Kintyre

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Source: https://www.legislation.gov.uk/uksi/1991/981/schedule/1/paragraph/7 (the official version)
Page: https://openlegislation.uk/petroleum-production-landward-areas-regulations-1991/schedule-1/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.