Wear at Cocken Bridge
EA name: WEAR AT COCKEN BRIDGE
Environment Agency sampling point NE-44500032 · Freshwater - rivers · listed as open (“open” does not mean it is sampled now)
These are samples taken on a date, not live readings of the river. Results reach the Environment Agency's archive days to months after the sample is taken, so the newest here may be weeks or months old. FloodRadar does not grade them.
Where and when
- Last sampled
- 3 Jul 2026, 08:573 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 35 since 16 Nov 2023 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Monitoring (national agency policy)
- Where
- National Grid 428051, 547213As published, to the nearest 1 m. Open in a map
- River, by its own name
- Wear
- River, by the map
- River WearPlaced on the river its name gives, 5 m from the line.
- Next gauge downstream
- Chester-Le-Street On the River Wear · 7.6 km along the river
- Nearest gauge upstream
- Durham New Elvet Bridge On the River Wear · 13 km along the river
- Why it was sampled
- Monitoring (national agency policy) (28 samples)
Environmental monitoring statutory (EU directives) (7 samples)
Main measurements, river water
Water temperature
code 0076 · °C
5.3 °C
Sampled 11 Jan 2024, 2.7 years ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 11 Jan 2024, 07:05 | 5.3 | 5.3 °C |
| 18 Dec 2023, 10:21 | 8.9 | 8.9 °C |
pH
code 0061
8.62
Sampled 3 Jul 2026, 3 months ago · 35 results banked
Every result (35)
| Sampled | Result as published | Reads as |
|---|---|---|
| 3 Jul 2026, 08:57 | 8.62 | 8.62 |
| 10 Jun 2026, 10:29 | 8.55 | 8.55 |
| 5 May 2026, 07:19 | 8.12 | 8.12 |
| 7 Apr 2026, 08:18 | 8.03 | 8.03 |
| 3 Mar 2026, 12:06 | 8.25 | 8.25 |
| 3 Feb 2026, 11:01 | 8.11 | 8.11 |
| 2 Jan 2026, 08:21 | 8.09 | 8.09 |
| 2 Dec 2025, 13:56 | 7.99 | 7.99 |
| 4 Nov 2025, 10:29 | 7.92 | 7.92 |
| 2 Oct 2025, 10:16 | 8.05 | 8.05 |
| 3 Sep 2025, 09:34 | 8.06 | 8.06 |
| 4 Aug 2025, 13:25 | 8.56 | 8.56 |
| 3 Jul 2025, 10:02 | 8.34 | 8.34 |
| 6 Jun 2025, 09:56 | 8.3 | 8.3 |
| 9 May 2025, 10:18 | 8.17 | 8.17 |
| 1 Apr 2025, 15:36 | 9.21 | 9.21 |
| 4 Mar 2025, 10:20 | 8.12 | 8.12 |
| 3 Feb 2025, 10:51 | 8 | 8 |
| 14 Jan 2025, 13:01 | 7.56 | 7.56 |
| 5 Dec 2024, 09:33 | 7.93 | 7.93 |
| 5 Nov 2024, 11:49 | 8.05 | 8.05 |
| 8 Oct 2024, 12:21 | 8.23 | 8.23 |
| 5 Sep 2024, 12:52 | 8.05 | 8.05 |
| 5 Aug 2024, 10:31 | 8.6 | 8.6 |
| 9 Jul 2024, 07:50 | 8.34 | 8.34 |
| 3 Jun 2024, 07:59 | 8.22 | 8.22 |
| 3 May 2024, 09:17 | 8.2 | 8.2 |
| 2 Apr 2024, 06:25 | 7.98 | 7.98 |
| 5 Mar 2024, 06:40 | 7.83 | 7.83 |
| 12 Feb 2024, 07:29 | 7.96 | 7.96 |
| 11 Jan 2024, 07:05 | 8.03 | 8.03 |
| 18 Dec 2023, 10:21 | 7.97 | 7.97 |
| 12 Dec 2023, 10:00 | 7.8 | 7.8 |
| 28 Nov 2023, 12:12 | 7.87 | 7.87 |
| 16 Nov 2023, 10:16 | 7.81 | 7.81 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
0.13 mg/l
Sampled 11 Jan 2024, 2.7 years ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 11 Jan 2024, 07:05 | 0.13 | 0.13 mg/l |
| 18 Dec 2023, 10:21 | 0.066 | 0.066 mg/l |
Everything measured here
63 determinands, each kept by its code, unit and sample material: results in different units or on different materials are never mixed. A “below” result is under the laboratory's detection limit, not zero.
Show all 63 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Temperature of Water 0076 | River water | 2 | Dec 2023 – Jan 2024 | 5.3 °C 11 Jan 2024 |
| pH 0061 | River water | 35 | Nov 2023 – Jul 2026 | 8.62 3 Jul 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 2 | Dec 2023 – Jan 2024 | 0.13 mg/l 11 Jan 2024 |
| 1,2,3-Trichlorobenzene 9050 | River water | 34 | Nov 2023 – Jul 2026 | below 0.01 µg/l 3 Jul 2026 |
| 1,2,4-Trichlorobenzene 9051 | River water | 33 | Nov 2023 – Jul 2026 | below 0.01 µg/l 3 Jul 2026 |
| 1,2-Dichloroethane 3272 | River water | 25 | Nov 2023 – Jun 2026 | below 0.1 µg/l 10 Jun 2026 |
| 1,3,5-Trichlorobenzene 9052 | River water | 34 | Nov 2023 – Jul 2026 | below 0.01 µg/l 3 Jul 2026 |
| 2,4-D :- {2,4-Dichlorophenoxyacetic acid} 3545 | River water | 2 | Dec 2023 – Jan 2024 | below 0.005 µg/l 11 Jan 2024 |
| 2,4-Dichlorophenol 9816 | River water | 2 | Dec 2023 – Jan 2024 | below 0.02 µg/l 11 Jan 2024 |
| Aldrin 0483 | River water | 34 | Nov 2023 – Jul 2026 | below 0.001 µg/l 3 Jul 2026 |
| Ammonia un-ionised as N 0119 | River water | 2 | Dec 2023 – Jan 2024 | 0.00168 mg/l 11 Jan 2024 |
| Arsenic, Dissolved 6045 | River water | 12 | Dec 2023 – Jul 2026 | below 1 µg/l 3 Jul 2026 |
| Calcium 0241 | River water | 10 | Apr 2024 – Jul 2026 | 82 mg/l 3 Jul 2026 |
| Calcium, Dissolved 0239 | River water | 35 | Nov 2023 – Jul 2026 | 79 mg/l 3 Jul 2026 |
| Carbon tetrachloride :- {Tetrachloromethane} 1049 | River water | 26 | Nov 2023 – Jun 2026 | below 0.1 µg/l 10 Jun 2026 |
| Carbon, Organic, Dissolved as C :- {DOC} 0301 | River water | 35 | Nov 2023 – Jul 2026 | 3.6 mg/l 3 Jul 2026 |
| Chloroform :- {Trichloromethane} 3373 | River water | 24 | Dec 2023 – Jun 2026 | 0.16 µg/l 10 Jun 2026 |
| Chromium Hexavalent, Dissolved :- {Cr VI} 6619 | River water | 2 | Dec 2023 – Jan 2024 | 0.051 µg/l 11 Jan 2024 |
| Chromium, Dissolved 3409 | River water | 2 | Dec 2023 – Jan 2024 | below 0.5 µg/l 11 Jan 2024 |
| cis-Permethrin 9341 | River water | 1 | Dec 2023 – Dec 2023 | below 0.002 µg/l 18 Dec 2023 |
| Copper : BLM Bioavailable 4821 | River water | 12 | Dec 2023 – Jul 2026 | 0.26 µg/l 3 Jul 2026 |
| Copper, Dissolved 6450 | River water | 12 | Dec 2023 – Jul 2026 | 1.3 µg/l 3 Jul 2026 |
| Cyanide : Free as CN 0174 | River water | 2 | Dec 2023 – Jan 2024 | below 0.005 mg/l 11 Jan 2024 |
| Cyanide as CN 0175 | River water | 2 | Dec 2023 – Jan 2024 | below 0.005 mg/l 11 Jan 2024 |
| DDE -pp 0551 | River water | 5 | Nov 2023 – Mar 2024 | below 0.001 µg/l 5 Mar 2024 |
| DDT -op 0539 | River water | 6 | Nov 2023 – Mar 2024 | below 0.003 µg/l 5 Mar 2024 |
| DDT -pp 0555 | River water | 34 | Nov 2023 – Jul 2026 | below 0.002 µg/l 3 Jul 2026 |
| DDT : Sum of components 0575 | River water | 5 | Nov 2023 – Mar 2024 | below 0.008 µg/l 5 Mar 2024 |
| Diazinon 0723 | River water | 1 | Dec 2023 – Dec 2023 | 0.00063 µg/l 18 Dec 2023 |
| Dieldrin 0511 | River water | 30 | Nov 2023 – Jul 2026 | below 0.002 µg/l 3 Jul 2026 |
| Dimethoate 6447 | River water | 1 | Dec 2023 – Dec 2023 | below 0.0001 µg/l 18 Dec 2023 |
| Endrin 0562 | River water | 31 | Nov 2023 – Jul 2026 | below 0.003 µg/l 3 Jul 2026 |
| Hardness, Total as CaCO3 0158 | River water | 10 | Apr 2024 – Jul 2026 | 337 mg/l 3 Jul 2026 |
| HCH -alpha 0487 | River water | 25 | Nov 2023 – Jul 2026 | below 0.0001 µg/l 3 Jul 2026 |
| HCH -beta 0491 | River water | 26 | Nov 2023 – Jul 2026 | below 0.0001 µg/l 3 Jul 2026 |
| HCH -delta 0495 | River water | 26 | Nov 2023 – Jul 2026 | below 0.0001 µg/l 3 Jul 2026 |
| HCH -gamma :- {Lindane} 0499 | River water | 26 | Nov 2023 – Jul 2026 | 0.0003 µg/l 3 Jul 2026 |
| Hexachlorobenzene 0576 | River water | 26 | Nov 2023 – Jul 2026 | below 0.0001 µg/l 3 Jul 2026 |
| Hexachlorobutadiene 6648 | River water | 26 | Nov 2023 – Jul 2026 | below 0.0001 µg/l 3 Jul 2026 |
| ICP-MS : Metals screen : Semi-quantitative 3401 | River water | 2 | Dec 2023 – Jan 2024 | 1 unitless value 11 Jan 2024 |
| Iron, Dissolved 6460 | River water | 12 | Dec 2023 – Jul 2026 | 60 µg/l 3 Jul 2026 |
| Isodrin 9494 | River water | 33 | Nov 2023 – Jul 2026 | below 0.001 µg/l 3 Jul 2026 |
| Lead : BLM Bioavailable 3377 | River water | 35 | Nov 2023 – Jul 2026 | 0.07 µg/l 3 Jul 2026 |
| Lead, Dissolved 0052 | River water | 35 | Nov 2023 – Jul 2026 | 0.24 µg/l 3 Jul 2026 |
| Linuron 3118 | River water | 2 | Dec 2023 – Jan 2024 | below 0.01 µg/l 11 Jan 2024 |
| Magnesium 0237 | River water | 10 | Apr 2024 – Jul 2026 | 34 mg/l 3 Jul 2026 |
| Magnesium, Dissolved 0235 | River water | 10 | Apr 2024 – Jul 2026 | 34 mg/l 3 Jul 2026 |
| Manganese : BLM Bioavailable 4820 | River water | 2 | Dec 2023 – Jan 2024 | 89 µg/l 11 Jan 2024 |
| Manganese, Dissolved 6458 | River water | 2 | Dec 2023 – Jan 2024 | 89 µg/l 11 Jan 2024 |
| Mecoprop 3549 | River water | 1 | Jan 2024 – Jan 2024 | below 0.005 µg/l 11 Jan 2024 |
| Mercury, Dissolved 0103 | River water | 35 | Nov 2023 – Jul 2026 | below 0.01 µg/l 3 Jul 2026 |
| Nickel : BLM Bioavailable 3878 | River water | 35 | Nov 2023 – Jul 2026 | 2.3 µg/l 3 Jul 2026 |
| Nickel, Dissolved 3410 | River water | 35 | Nov 2023 – Jul 2026 | 2.3 µg/l 3 Jul 2026 |
| Pentachlorophenol 1085 | River water | 7 | Nov 2023 – Mar 2024 | below 0.02 µg/l 5 Mar 2024 |
| Phenol 9522 | River water | 2 | Dec 2023 – Jan 2024 | 0.33 µg/l 11 Jan 2024 |
| TDE -pp 0559 | River water | 5 | Nov 2023 – Mar 2024 | below 0.002 µg/l 5 Mar 2024 |
| Tetrachloroethylene :- {Perchloroethylene} 3328 | River water | 26 | Nov 2023 – Jun 2026 | below 0.1 µg/l 10 Jun 2026 |
| Toluene :- {Methylbenzene} 3784 | River water | 1 | Dec 2023 – Dec 2023 | below 0.1 µg/l 18 Dec 2023 |
| trans-Permethrin 9342 | River water | 1 | Dec 2023 – Dec 2023 | below 0.001 µg/l 18 Dec 2023 |
| Trichloroethylene :- {Trichloroethene} 3334 | River water | 26 | Nov 2023 – Jun 2026 | below 0.1 µg/l 10 Jun 2026 |
| Zinc 6455 | River water | 12 | Dec 2023 – Jul 2026 | below 5 µg/l 3 Jul 2026 |
| Zinc : BLM Bioavailable 4822 | River water | 2 | Dec 2023 – Jan 2024 | 6.7 µg/l 11 Jan 2024 |
| Zinc, Dissolved 3408 | River water | 12 | Dec 2023 – Jul 2026 | 3.7 µg/l 3 Jul 2026 |
FloodRadar does not grade these results: there is no overall score, and official river classifications are a separate dataset. A sample taken downstream of an overflow does not by itself show where anything in it came from. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels.
Water samples: Environment Agency Water Quality Archive, © Environment Agency and/or database right 2026, Open Government Licence v3.0.
Contains OS data © Crown copyright and database rights 2026.