Offshoot-Side Channel of Tarn Beck

EA name: OFFSHOOT-SIDE CHANNEL OF TARN BECK (also listed as “OFFSHOOT OF TARN BECK (SOUTH BANK SIDE CHANNEL)”)
Environment Agency sampling point NE-43200077 · 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
10 Jul 2026, 12:173 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
14 since 28 May 2024 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 361838, 559191As published, to the nearest 1 m. Open in a map
River, by its own name
Its name does not give one
River, by the map
Tarn BeckPlaced by position alone, on a line whose map name differs from its own, 6 m from the line.
Next gauge downstream
Featherstone On the River South Tyne · 7.6 km along the river
Why it was sampled
Monitoring (national agency policy) (12 samples)
Unplanned reactive monitoring (pollution incidents) (2 samples)

2 visits found no water to sample (recorded as “No flow”).

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

127.4%

Sampled 8 May 2026, 5 months ago · 12 results banked

90100110120130%20242025202628 May 2024, 12:40: 99.1%11 Jul 2024, 13:16: 100.7%6 Sep 2024, 13:21: 101.9%8 Nov 2024, 12:17: 103.1%31 Jan 2025, 12:06: 102.8%19 Mar 2025, 12:36: 103.6%3 Jul 2025, 12:00: 109.1%5 Sep 2025, 12:37: 129%12 Nov 2025, 12:30: 102.5%14 Jan 2026, 12:29: 98.1%19 Mar 2026, 14:41: 103.5%8 May 2026, 11:54: 127.4%
Every result (12)
SampledResult as publishedReads as
8 May 2026, 11:54127.4 127.4%
19 Mar 2026, 14:41103.5 103.5%
14 Jan 2026, 12:2998.1 98.1%
12 Nov 2025, 12:30102.5 102.5%
5 Sep 2025, 12:37129 129%
3 Jul 2025, 12:00109.1 109.1%
19 Mar 2025, 12:36103.6 103.6%
31 Jan 2025, 12:06102.8 102.8%
8 Nov 2024, 12:17103.1 103.1%
6 Sep 2024, 13:21101.9 101.9%
11 Jul 2024, 13:16100.7 100.7%
28 May 2024, 12:4099.1 99.1%

Water temperature

code 0076 · °C

14.5 °C

Sampled 8 May 2026, 5 months ago · 12 results banked

05101520°C20242025202628 May 2024, 12:40: 13 °C11 Jul 2024, 13:16: 14 °C6 Sep 2024, 13:21: 15.9 °C8 Nov 2024, 12:17: 8.7 °C31 Jan 2025, 12:06: 2.8 °C19 Mar 2025, 12:36: 7 °C3 Jul 2025, 12:00: 16.2 °C5 Sep 2025, 12:37: 15.3 °C12 Nov 2025, 12:30: 9.8 °C14 Jan 2026, 12:29: 3.3 °C19 Mar 2026, 14:41: 10.5 °C8 May 2026, 11:54: 14.5 °C
Every result (12)
SampledResult as publishedReads as
8 May 2026, 11:5414.5 14.5 °C
19 Mar 2026, 14:4110.5 10.5 °C
14 Jan 2026, 12:293.3 3.3 °C
12 Nov 2025, 12:309.8 9.8 °C
5 Sep 2025, 12:3715.3 15.3 °C
3 Jul 2025, 12:0016.2 16.2 °C
19 Mar 2025, 12:367 7 °C
31 Jan 2025, 12:062.8 2.8 °C
8 Nov 2024, 12:178.7 8.7 °C
6 Sep 2024, 13:2115.9 15.9 °C
11 Jul 2024, 13:1614 14 °C
28 May 2024, 12:4013 13 °C

pH

code 0061

7.4

Sampled 8 May 2026, 5 months ago · 11 results banked

7.47.67.8820242025202628 May 2024, 12:40: 7.5211 Jul 2024, 13:16: 7.786 Sep 2024, 13:21: 7.998 Nov 2024, 12:17: 7.931 Jan 2025, 12:06: 7.819 Mar 2025, 12:36: 83 Jul 2025, 12:00: 7.512 Nov 2025, 12:30: 7.614 Jan 2026, 12:29: 7.419 Mar 2026, 14:41: 7.68 May 2026, 11:54: 7.4
Every result (11)
SampledResult as publishedReads as
8 May 2026, 11:547.4 7.4
19 Mar 2026, 14:417.6 7.6
14 Jan 2026, 12:297.4 7.4
12 Nov 2025, 12:307.6 7.6
3 Jul 2025, 12:007.5 7.5
19 Mar 2025, 12:368 8
31 Jan 2025, 12:067.8 7.8
8 Nov 2024, 12:177.9 7.9
6 Sep 2024, 13:217.99 7.99
11 Jul 2024, 13:167.78 7.78
28 May 2024, 12:407.52 7.52

Conductivity

at 25 °C · code 0077 · µS/cm

194 µS/cm

Sampled 8 May 2026, 5 months ago · 12 results banked

50100150200250µS/cm20242025202628 May 2024, 12:40: 93.8 µS/cm11 Jul 2024, 13:16: 130 µS/cm6 Sep 2024, 13:21: 143 µS/cm8 Nov 2024, 12:17: 137 µS/cm31 Jan 2025, 12:06: 144 µS/cm19 Mar 2025, 12:36: 172 µS/cm3 Jul 2025, 12:00: 179 µS/cm5 Sep 2025, 12:37: 216 µS/cm12 Nov 2025, 12:30: 95 µS/cm14 Jan 2026, 12:29: 137 µS/cm19 Mar 2026, 14:41: 140 µS/cm8 May 2026, 11:54: 194 µS/cm
Every result (12)
SampledResult as publishedReads as
8 May 2026, 11:54194 194 µS/cm
19 Mar 2026, 14:41140 140 µS/cm
14 Jan 2026, 12:29137 137 µS/cm
12 Nov 2025, 12:3095 95 µS/cm
5 Sep 2025, 12:37216 216 µS/cm
3 Jul 2025, 12:00179 179 µS/cm
19 Mar 2025, 12:36172 172 µS/cm
31 Jan 2025, 12:06144 144 µS/cm
8 Nov 2024, 12:17137 137 µS/cm
6 Sep 2024, 13:21143 143 µS/cm
11 Jul 2024, 13:16130 130 µS/cm
28 May 2024, 12:4093.8 93.8 µS/cm

Everything measured here

31 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 31 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 12 May 2024 – May 2026 127.4% 8 May 2026
Temperature of Water 0076 River water 12 May 2024 – May 2026 14.5 °C 8 May 2026
pH 0061 River water 11 May 2024 – May 2026 7.4 8 May 2026
Conductivity at 25 C 0077 River water 12 May 2024 – May 2026 194 µS/cm 8 May 2026
Barium, Dissolved 9446 River water 12 May 2024 – May 2026 120 µg/l 8 May 2026
Boron, Dissolved 9447 River water 12 May 2024 – May 2026 below 100 µg/l 8 May 2026
Cadmium 0108 River water 12 May 2024 – May 2026 12 µg/l 8 May 2026
Cadmium, Dissolved 0106 River water 12 May 2024 – May 2026 12 µg/l 8 May 2026
Calcium, Dissolved 0239 River water 12 May 2024 – May 2026 25 mg/l 8 May 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 12 May 2024 – May 2026 2 mg/l 8 May 2026
Copper 6452 River water 12 May 2024 – May 2026 11 µg/l 8 May 2026
Copper, Dissolved 6450 River water 12 May 2024 – May 2026 7.9 µg/l 8 May 2026
Hardness, Total as CaCO3 0158 River water 12 May 2024 – May 2026 79.7 mg/l 8 May 2026
Iron, Dissolved 6460 River water 12 May 2024 – May 2026 30 µg/l 8 May 2026
Lead 0050 River water 12 May 2024 – May 2026 62 µg/l 8 May 2026
Lead, Dissolved 0052 River water 12 May 2024 – May 2026 17 µg/l 8 May 2026
Lithium, Dissolved 4201 River water 12 May 2024 – May 2026 below 100 µg/l 8 May 2026
Magnesium, Dissolved 0235 River water 12 May 2024 – May 2026 4.2 mg/l 8 May 2026
Manganese, Dissolved 6458 River water 12 May 2024 – May 2026 62 µg/l 8 May 2026
National Grid Reference : Whole : Field report 7434 River water 2 May 2024 – Jul 2025 1 unitless value 3 Jul 2025
Nickel 6462 River water 12 May 2024 – May 2026 3 µg/l 8 May 2026
Nickel, Dissolved 3410 River water 12 May 2024 – May 2026 2.9 µg/l 8 May 2026
No flow /No sample 7668 River water 2 May 2025 – Jul 2026 No flow/discharge at sampling point 10 Jul 2026
pH : In Situ 3169 River water 7 Jan 2025 – May 2026 7.44 8 May 2026
Potassium, Dissolved 0209 River water 12 May 2024 – May 2026 1.9 mg/l 8 May 2026
Sodium, Dissolved 0205 River water 12 May 2024 – May 2026 3.8 mg/l 8 May 2026
Solids, Suspended at 105 C 0135 River water 12 May 2024 – May 2026 below 3 mg/l 8 May 2026
Strontium, Filtered 6693 River water 12 May 2024 – May 2026 99 µg/l 8 May 2026
Sulphate, Dissolved as SO4 7859 River water 12 May 2024 – May 2026 30 mg/l 8 May 2026
Zinc 6455 River water 12 May 2024 – May 2026 2700 µg/l 8 May 2026
Zinc, Dissolved 3408 River water 12 May 2024 – May 2026 2800 µg/l 8 May 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.