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The
Environment Agency measures water quality of the river systems in England. Each is given an overall ecological status, which may be one of five levels: high, good, moderate, poor and bad. There are several components that are used to determine this, including biological status, which looks at the
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records the length of the main river as 39.4 kilometres (24.5 mi), with an additional 5.6 km (3.5 mi) for the watercourse from
Redlynch to the confluence north of
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and fish. Chemical status, which compares the concentrations of various chemicals against known safe concentrations, is rated good or fail.
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Another similarly named waterway in
Hampshire is Black Water, a small stream which flows eastwards across the
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504:"Glossary (see Biological quality element; Chemical status; and Ecological status)"
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Text was copied from this source, which is available under an
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OS Explorer Map 131 - Romsey, Andover & Test Valley
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This River
Blackwater should not be confused with the
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It rises just to the east of the
Wiltshire village of
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in north-east
Hampshire, which is a tributary of the
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1218:This article related to a river in England is a
1008:Keyhaven, Pennington, Oxey and Normandy Marshes
324:Water quality of the River Blackwater in 2019:
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483:Environment Agency - Catchment Data Explorer
458:Environment Agency - Catchment Data Explorer
288:reservoirs, before joining the Test between
280:. The river turns south, passing under the
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16:River in Hampshire and Wiltshire, England
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510:. Environment Agency. 17 February 2016.
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374:12.068 km (4.659 sq mi)
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230:67.5 km (26.1 sq mi)
1222:. You can help Knowledge (XXG) by
1176:. You can help Knowledge (XXG) by
1119:. You can help Knowledge (XXG) by
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1168:This article about a location in
571:OS Explorer Map OL22 - New Forest
284:and past Broadlands Lake and the
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393:39.362 km (24.458 mi)
36:
944:Salisbury and Southampton Canal
21:River Blackwater (River Loddon)
550:"Blackwater (Test and Itchen)"
454:"Blackwater (Test and Itchen)"
371:5.616 km (3.490 mi)
181: • coordinates
114: • coordinates
1:
617:River Blackwater (River Test)
381:Blackwater (Test and Itchen)
80:Physical characteristics
939:Portsmouth and Arundel Canal
519:Open Government Licence v3.0
252:. It is a tributary of the
222:45.0 km (28.0 mi)
169: • location
98: • location
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809:River Slea or Oxney Stream
313:quantity and varieties of
240:drains small parts of the
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1289:Wiltshire geography stubs
1284:Hampshire geography stubs
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981:Lakes, ponds and wetlands
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151:
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42:River Blackwater east of
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588:Ordnance Survey (2004).
569:Ordnance Survey (2004).
417:and (indirectly) of the
19:Not to be confused with
781:Bourne Rivulet or Swift
554:Catchment Data Explorer
536:Catchment Data Explorer
508:Catchment Data Explorer
1115:location article is a
676:main tributaries &
1013:Lakeside Country Park
959:Ordinary watercourses
556:. Environment Agency.
538:. Environment Agency.
521:. © Crown copyright.
1018:Manor Farm duck pond
619:at Wikimedia Commons
203:50.92667°N 1.49194°W
136:50.98972°N 1.71222°W
1294:England river stubs
1274:Rivers of Wiltshire
1269:Rivers of Hampshire
199: /
132: /
1061:Portsmouth Harbour
1051:Chichester Harbour
998:Farlington Marshes
298:Environment Agency
276:and the hamlet of
208:50.92667; -1.49194
141:50.98972; -1.71222
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814:Oakhanger Stream
699:River Whitewater
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308:Water quality
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1224:expanding it
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1178:expanding it
1167:
1121:expanding it
1110:
1095:
1081:Categories:
882:River Rother
867:River Hamble
775:
735:River Itchen
686:River Loddon
589:
585:
570:
566:
553:
544:
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532:"Blackwater"
526:
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486:. Retrieved
482:
479:"Blackwater"
473:
461:. Retrieved
457:
448:
432:to form the
430:Brockenhurst
423:
419:River Thames
415:River Loddon
408:
323:
311:
263:
244:counties of
237:
235:
25:
1023:Sowley Pond
988:Chessel Bay
786:River Dever
771:River Anton
753:Monks Brook
709:Fleet Brook
673:Main rivers
488:23 December
463:23 December
359:Blackwater
319:angiosperms
206: /
139: /
1263:Categories
1066:The Solent
1003:Fleet Pond
877:River Meon
857:Dark Water
842:River Avon
837:Avon Water
830:All others
776:Blackwater
763:River Test
743:River Alre
718:Cove Brook
704:River Hart
694:Blackwater
440:References
426:New Forest
333:Ecological
302:Hamptworth
268:, east of
254:River Test
227:Basin size
191:50°55′36″N
124:50°59′23″N
31:Blackwater
1170:Wiltshire
1113:Hampshire
862:River Ems
801:River Wey
791:River Dun
725:Bow Brook
665:Hampshire
661:Hydrology
390:Moderate
368:Moderate
362:Moderate
351:Catchment
294:Redbridge
270:Salisbury
250:Wiltshire
246:Hampshire
194:1°29′31″W
174:Hampshire
127:1°42′44″W
107:Wiltshire
74:Hampshire
70:Wiltshire
405:See also
354:Channel
338:Chemical
266:Redlynch
103:Redlynch
51:Location
343:Overall
330:Section
242:English
56:Country
1087:Canals
1083:Rivers
915:Canals
596:
577:
348:Length
345:Status
340:Status
335:Status
296:. The
290:Totton
278:Wigley
274:Wellow
260:Course
219:Length
162:Totton
92:
89:Source
66:Region
1172:is a
1111:This
1043:Coast
387:Fail
384:Good
365:Fail
236:This
157:Mouth
1220:stub
1174:stub
1117:stub
594:ISBN
575:ISBN
490:2017
465:2017
292:and
248:and
663:of
282:M27
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23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
