South Tyne at Alston Gauging Station

EA name: SOUTH TYNE AT ALSTON GAUGING STATION
Environment Agency sampling point NE-43200303 · 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
8 Sep 2026, 11:4323 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
41 since 27 Oct 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 371544, 546531As published, to the nearest 1 m. Open in a map
River, by its own name
South Tyne
River, by the map
River South TynePlaced on the river its name gives, 14 m from the line.
Next gauge downstream
Featherstone On the River South Tyne · 18 km along the riverBeside Alston: too close to say above or below.
Why it was sampled
Monitoring (national agency policy) (39 samples)
Unplanned reactive monitoring (pollution incidents) (2 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

98.1%

Sampled 8 Sep 2026, 23 days ago · 41 results banked

95100105110115%20242025202627 Oct 2023, 11:39: 102.3%23 Nov 2023, 14:07: 100.1%6 Dec 2023, 13:41: 102.4%24 Jan 2024, 13:12: 99.9%27 Feb 2024, 14:30: 103.7%26 Mar 2024, 12:39: 103.9%30 Apr 2024, 12:42: 104.2%28 May 2024, 11:56: 100.3%14 Jun 2024, 11:11: 103.3%27 Jun 2024, 12:47: 109%5 Jul 2024, 10:30: 101.5%30 Jul 2024, 14:02: 106.7%20 Aug 2024, 13:51: 103.1%13 Sep 2024, 11:01: 100.5%24 Sep 2024, 11:55: 104.8%18 Oct 2024, 13:18: 102.9%1 Nov 2024, 10:56: 100.1%26 Nov 2024, 14:52: 102.3%17 Dec 2024, 14:45: 101.4%17 Jan 2025, 10:41: 102.3%22 Jan 2025, 14:11: 104.5%25 Feb 2025, 17:06: 106.2%5 Mar 2025, 10:50: 107.2%28 Apr 2025, 12:23: 111.2%14 May 2025, 13:15: 107.3%17 Jun 2025, 12:37: 99.9%16 Jul 2025, 12:54: 101%6 Aug 2025, 12:53: 104.8%12 Sep 2025, 13:22: 100.3%1 Oct 2025, 13:11: 102%3 Nov 2025, 12:57: 98.5%4 Dec 2025, 12:37: 98.3%8 Jan 2026, 13:27: 97.3%10 Feb 2026, 12:28: 100.9%6 Mar 2026, 12:51: 103.4%10 Apr 2026, 11:18: 106.1%18 May 2026, 11:51: 107.2%12 Jun 2026, 11:55: 101.2%9 Jul 2026, 11:04: 102.9%5 Aug 2026, 09:34: 101.8%8 Sep 2026, 11:43: 98.1%
Every result (41)
SampledResult as publishedReads as
8 Sep 2026, 11:4398.1 98.1%
5 Aug 2026, 09:34101.8 101.8%
9 Jul 2026, 11:04102.9 102.9%
12 Jun 2026, 11:55101.2 101.2%
18 May 2026, 11:51107.2 107.2%
10 Apr 2026, 11:18106.1 106.1%
6 Mar 2026, 12:51103.4 103.4%
10 Feb 2026, 12:28100.9 100.9%
8 Jan 2026, 13:2797.3 97.3%
4 Dec 2025, 12:3798.3 98.3%
3 Nov 2025, 12:5798.5 98.5%
1 Oct 2025, 13:11102 102%
12 Sep 2025, 13:22100.3 100.3%
6 Aug 2025, 12:53104.8 104.8%
16 Jul 2025, 12:54101 101%
17 Jun 2025, 12:3799.9 99.9%
14 May 2025, 13:15107.3 107.3%
28 Apr 2025, 12:23111.2 111.2%
5 Mar 2025, 10:50107.2 107.2%
25 Feb 2025, 17:06106.2 106.2%
22 Jan 2025, 14:11104.5 104.5%
17 Jan 2025, 10:41102.3 102.3%
17 Dec 2024, 14:45101.4 101.4%
26 Nov 2024, 14:52102.3 102.3%
1 Nov 2024, 10:56100.1 100.1%
18 Oct 2024, 13:18102.9 102.9%
24 Sep 2024, 11:55104.8 104.8%
13 Sep 2024, 11:01100.5 100.5%
20 Aug 2024, 13:51103.1 103.1%
30 Jul 2024, 14:02106.7 106.7%
5 Jul 2024, 10:30101.5 101.5%
27 Jun 2024, 12:47109 109%
14 Jun 2024, 11:11103.3 103.3%
28 May 2024, 11:56100.3 100.3%
30 Apr 2024, 12:42104.2 104.2%
26 Mar 2024, 12:39103.9 103.9%
27 Feb 2024, 14:30103.7 103.7%
24 Jan 2024, 13:1299.9 99.9%
6 Dec 2023, 13:41102.4 102.4%
23 Nov 2023, 14:07100.1 100.1%
27 Oct 2023, 11:39102.3 102.3%

Water temperature

code 0076 · °C

11.5 °C

Sampled 8 Sep 2026, 23 days ago · 41 results banked

05101520°C20242025202627 Oct 2023, 11:39: 8.2 °C23 Nov 2023, 14:07: 9 °C6 Dec 2023, 13:41: 2.1 °C24 Jan 2024, 13:12: 5.4 °C27 Feb 2024, 14:30: 4.7 °C26 Mar 2024, 12:39: 5.9 °C30 Apr 2024, 12:42: 9.1 °C28 May 2024, 11:56: 11.1 °C14 Jun 2024, 11:11: 11.4 °C27 Jun 2024, 12:47: 15.3 °C5 Jul 2024, 10:30: 10.3 °C30 Jul 2024, 14:02: 17.5 °C20 Aug 2024, 13:51: 15.1 °C13 Sep 2024, 11:01: 7.4 °C24 Sep 2024, 11:55: 11.2 °C18 Oct 2024, 13:18: 10.2 °C1 Nov 2024, 10:56: 9.1 °C26 Nov 2024, 14:52: 5.5 °C17 Dec 2024, 14:45: 7 °C17 Jan 2025, 10:41: 3.9 °C22 Jan 2025, 14:11: 3.8 °C25 Feb 2025, 17:06: 5.4 °C5 Mar 2025, 10:50: 5.8 °C28 Apr 2025, 12:23: 11.6 °C14 May 2025, 13:15: 12.1 °C17 Jun 2025, 12:37: 13.1 °C16 Jul 2025, 12:54: 14.4 °C6 Aug 2025, 12:53: 14.4 °C12 Sep 2025, 13:22: 12 °C1 Oct 2025, 13:11: 11.8 °C3 Nov 2025, 12:57: 9.6 °C4 Dec 2025, 12:37: 5.6 °C8 Jan 2026, 13:27: 0.6 °C10 Feb 2026, 12:28: 5 °C6 Mar 2026, 12:51: 5.7 °C10 Apr 2026, 11:18: 6.6 °C18 May 2026, 11:51: 10.3 °C12 Jun 2026, 11:55: 12.4 °C9 Jul 2026, 11:04: 17.5 °C5 Aug 2026, 09:34: 15.3 °C8 Sep 2026, 11:43: 11.5 °C
Every result (41)
SampledResult as publishedReads as
8 Sep 2026, 11:4311.5 11.5 °C
5 Aug 2026, 09:3415.3 15.3 °C
9 Jul 2026, 11:0417.5 17.5 °C
12 Jun 2026, 11:5512.4 12.4 °C
18 May 2026, 11:5110.3 10.3 °C
10 Apr 2026, 11:186.6 6.6 °C
6 Mar 2026, 12:515.7 5.7 °C
10 Feb 2026, 12:285 5 °C
8 Jan 2026, 13:270.6 0.6 °C
4 Dec 2025, 12:375.6 5.6 °C
3 Nov 2025, 12:579.6 9.6 °C
1 Oct 2025, 13:1111.8 11.8 °C
12 Sep 2025, 13:2212 12 °C
6 Aug 2025, 12:5314.4 14.4 °C
16 Jul 2025, 12:5414.4 14.4 °C
17 Jun 2025, 12:3713.1 13.1 °C
14 May 2025, 13:1512.1 12.1 °C
28 Apr 2025, 12:2311.6 11.6 °C
5 Mar 2025, 10:505.8 5.8 °C
25 Feb 2025, 17:065.4 5.4 °C
22 Jan 2025, 14:113.8 3.8 °C
17 Jan 2025, 10:413.9 3.9 °C
17 Dec 2024, 14:457 7 °C
26 Nov 2024, 14:525.5 5.5 °C
1 Nov 2024, 10:569.1 9.1 °C
18 Oct 2024, 13:1810.2 10.2 °C
24 Sep 2024, 11:5511.2 11.2 °C
13 Sep 2024, 11:017.4 7.4 °C
20 Aug 2024, 13:5115.1 15.1 °C
30 Jul 2024, 14:0217.5 17.5 °C
5 Jul 2024, 10:3010.3 10.3 °C
27 Jun 2024, 12:4715.3 15.3 °C
14 Jun 2024, 11:1111.4 11.4 °C
28 May 2024, 11:5611.1 11.1 °C
30 Apr 2024, 12:429.1 9.1 °C
26 Mar 2024, 12:395.9 5.9 °C
27 Feb 2024, 14:304.7 4.7 °C
24 Jan 2024, 13:125.4 5.4 °C
6 Dec 2023, 13:412.1 2.1 °C
23 Nov 2023, 14:079 9 °C
27 Oct 2023, 11:398.2 8.2 °C

pH

code 0061

7.6

Sampled 8 Sep 2026, 23 days ago · 41 results banked

7.588.5920242025202627 Oct 2023, 11:39: 7.8623 Nov 2023, 14:07: 7.896 Dec 2023, 13:41: 7.7124 Jan 2024, 13:12: 7.6327 Feb 2024, 14:30: 8.2226 Mar 2024, 12:39: 8.3230 Apr 2024, 12:42: 8.2428 May 2024, 11:56: 7.9214 Jun 2024, 11:11: 8.4527 Jun 2024, 12:47: 8.725 Jul 2024, 10:30: 8.2130 Jul 2024, 14:02: 8.420 Aug 2024, 13:51: 8.313 Sep 2024, 11:01: 8.0424 Sep 2024, 11:55: 818 Oct 2024, 13:18: 7.91 Nov 2024, 10:56: 826 Nov 2024, 14:52: 7.917 Dec 2024, 14:45: 7.817 Jan 2025, 10:41: 8.122 Jan 2025, 14:11: 8.325 Feb 2025, 17:06: 7.95 Mar 2025, 10:50: 8.328 Apr 2025, 12:23: 8.614 May 2025, 13:15: 8.517 Jun 2025, 12:37: 8.116 Jul 2025, 12:54: 7.76 Aug 2025, 12:53: 8.312 Sep 2025, 13:22: 7.71 Oct 2025, 13:11: 8.33 Nov 2025, 12:57: 7.54 Dec 2025, 12:37: 88 Jan 2026, 13:27: 8.210 Feb 2026, 12:28: 7.86 Mar 2026, 12:51: 7.910 Apr 2026, 11:18: 8.318 May 2026, 11:51: 8.312 Jun 2026, 11:55: 7.79 Jul 2026, 11:04: 8.35 Aug 2026, 09:34: 8.48 Sep 2026, 11:43: 7.6
Every result (41)
SampledResult as publishedReads as
8 Sep 2026, 11:437.6 7.6
5 Aug 2026, 09:348.4 8.4
9 Jul 2026, 11:048.3 8.3
12 Jun 2026, 11:557.7 7.7
18 May 2026, 11:518.3 8.3
10 Apr 2026, 11:188.3 8.3
6 Mar 2026, 12:517.9 7.9
10 Feb 2026, 12:287.8 7.8
8 Jan 2026, 13:278.2 8.2
4 Dec 2025, 12:378 8
3 Nov 2025, 12:577.5 7.5
1 Oct 2025, 13:118.3 8.3
12 Sep 2025, 13:227.7 7.7
6 Aug 2025, 12:538.3 8.3
16 Jul 2025, 12:547.7 7.7
17 Jun 2025, 12:378.1 8.1
14 May 2025, 13:158.5 8.5
28 Apr 2025, 12:238.6 8.6
5 Mar 2025, 10:508.3 8.3
25 Feb 2025, 17:067.9 7.9
22 Jan 2025, 14:118.3 8.3
17 Jan 2025, 10:418.1 8.1
17 Dec 2024, 14:457.8 7.8
26 Nov 2024, 14:527.9 7.9
1 Nov 2024, 10:568 8
18 Oct 2024, 13:187.9 7.9
24 Sep 2024, 11:558 8
13 Sep 2024, 11:018.04 8.04
20 Aug 2024, 13:518.3 8.3
30 Jul 2024, 14:028.4 8.4
5 Jul 2024, 10:308.21 8.21
27 Jun 2024, 12:478.72 8.72
14 Jun 2024, 11:118.45 8.45
28 May 2024, 11:567.92 7.92
30 Apr 2024, 12:428.24 8.24
26 Mar 2024, 12:398.32 8.32
27 Feb 2024, 14:308.22 8.22
24 Jan 2024, 13:127.63 7.63
6 Dec 2023, 13:417.71 7.71
23 Nov 2023, 14:077.89 7.89
27 Oct 2023, 11:397.86 7.86

Conductivity

at 25 °C · code 0077 · µS/cm

161 µS/cm

Sampled 8 Sep 2026, 23 days ago · 41 results banked

0100200300400µS/cm20242025202627 Oct 2023, 11:39: 118 µS/cm23 Nov 2023, 14:07: 114 µS/cm6 Dec 2023, 13:41: 142 µS/cm24 Jan 2024, 13:12: 101 µS/cm27 Feb 2024, 14:30: 168 µS/cm26 Mar 2024, 12:39: 121 µS/cm30 Apr 2024, 12:42: 113 µS/cm28 May 2024, 11:56: 133 µS/cm14 Jun 2024, 11:11: 180 µS/cm27 Jun 2024, 12:47: 268 µS/cm5 Jul 2024, 10:30: 146 µS/cm30 Jul 2024, 14:02: 232 µS/cm20 Aug 2024, 13:51: 193 µS/cm13 Sep 2024, 11:01: 177 µS/cm24 Sep 2024, 11:55: 122 µS/cm18 Oct 2024, 13:18: 137 µS/cm1 Nov 2024, 10:56: 165 µS/cm26 Nov 2024, 14:52: 148 µS/cm17 Dec 2024, 14:45: 143 µS/cm17 Jan 2025, 10:41: 188 µS/cm22 Jan 2025, 14:11: 218 µS/cm25 Feb 2025, 17:06: 127 µS/cm5 Mar 2025, 10:50: 207 µS/cm28 Apr 2025, 12:23: 297 µS/cm14 May 2025, 13:15: 334 µS/cm17 Jun 2025, 12:37: 192 µS/cm16 Jul 2025, 12:54: 88 µS/cm6 Aug 2025, 12:53: 175 µS/cm12 Sep 2025, 13:22: 91 µS/cm1 Oct 2025, 13:11: 232 µS/cm3 Nov 2025, 12:57: 70 µS/cm4 Dec 2025, 12:37: 156 µS/cm8 Jan 2026, 13:27: 258 µS/cm10 Feb 2026, 12:28: 126 µS/cm6 Mar 2026, 12:51: 159 µS/cm10 Apr 2026, 11:18: 217 µS/cm18 May 2026, 11:51: 264 µS/cm12 Jun 2026, 11:55: 126 µS/cm9 Jul 2026, 11:04: 262 µS/cm5 Aug 2026, 09:34: 285 µS/cm8 Sep 2026, 11:43: 161 µS/cm
Every result (41)
SampledResult as publishedReads as
8 Sep 2026, 11:43161 161 µS/cm
5 Aug 2026, 09:34285 285 µS/cm
9 Jul 2026, 11:04262 262 µS/cm
12 Jun 2026, 11:55126 126 µS/cm
18 May 2026, 11:51264 264 µS/cm
10 Apr 2026, 11:18217 217 µS/cm
6 Mar 2026, 12:51159 159 µS/cm
10 Feb 2026, 12:28126 126 µS/cm
8 Jan 2026, 13:27258 258 µS/cm
4 Dec 2025, 12:37156 156 µS/cm
3 Nov 2025, 12:5770 70 µS/cm
1 Oct 2025, 13:11232 232 µS/cm
12 Sep 2025, 13:2291 91 µS/cm
6 Aug 2025, 12:53175 175 µS/cm
16 Jul 2025, 12:5488 88 µS/cm
17 Jun 2025, 12:37192 192 µS/cm
14 May 2025, 13:15334 334 µS/cm
28 Apr 2025, 12:23297 297 µS/cm
5 Mar 2025, 10:50207 207 µS/cm
25 Feb 2025, 17:06127 127 µS/cm
22 Jan 2025, 14:11218 218 µS/cm
17 Jan 2025, 10:41188 188 µS/cm
17 Dec 2024, 14:45143 143 µS/cm
26 Nov 2024, 14:52148 148 µS/cm
1 Nov 2024, 10:56165 165 µS/cm
18 Oct 2024, 13:18137 137 µS/cm
24 Sep 2024, 11:55122 122 µS/cm
13 Sep 2024, 11:01177 177 µS/cm
20 Aug 2024, 13:51193 193 µS/cm
30 Jul 2024, 14:02232 232 µS/cm
5 Jul 2024, 10:30146 146 µS/cm
27 Jun 2024, 12:47268 268 µS/cm
14 Jun 2024, 11:11180 180 µS/cm
28 May 2024, 11:56133 133 µS/cm
30 Apr 2024, 12:42113 113 µS/cm
26 Mar 2024, 12:39121 121 µS/cm
27 Feb 2024, 14:30168 168 µS/cm
24 Jan 2024, 13:12101 101 µS/cm
6 Dec 2023, 13:41142 142 µS/cm
23 Nov 2023, 14:07114 114 µS/cm
27 Oct 2023, 11:39118 118 µS/cm

Everything measured here

35 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 35 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 41 Oct 2023 – Sep 2026 98.1% 8 Sep 2026
Temperature of Water 0076 River water 41 Oct 2023 – Sep 2026 11.5 °C 8 Sep 2026
pH 0061 River water 41 Oct 2023 – Sep 2026 7.6 8 Sep 2026
Conductivity at 25 C 0077 River water 41 Oct 2023 – Sep 2026 161 µS/cm 8 Sep 2026
Barium, Dissolved 9446 River water 41 Oct 2023 – Sep 2026 18 µg/l 8 Sep 2026
Boron, Dissolved 9447 River water 41 Oct 2023 – Sep 2026 below 100 µg/l 8 Sep 2026
Cadmium 0108 River water 41 Oct 2023 – Sep 2026 0.14 µg/l 8 Sep 2026
Cadmium, Dissolved 0106 River water 41 Oct 2023 – Sep 2026 0.12 µg/l 8 Sep 2026
Calcium, Dissolved 0239 River water 41 Oct 2023 – Sep 2026 16 mg/l 8 Sep 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 40 Oct 2023 – Sep 2026 19 mg/l 8 Sep 2026
Copper 6452 River water 41 Oct 2023 – Sep 2026 1.9 µg/l 8 Sep 2026
Copper : BLM Bioavailable 4821 River water 1 Oct 2023 – Oct 2023 0.04 µg/l 27 Oct 2023
Copper, Dissolved 6450 River water 41 Oct 2023 – Sep 2026 1.9 µg/l 8 Sep 2026
Hardness, Total as CaCO3 0158 River water 41 Oct 2023 – Sep 2026 45.7 mg/l 8 Sep 2026
Iron, Dissolved 6460 River water 41 Oct 2023 – Sep 2026 610 µg/l 8 Sep 2026
Lead 0050 River water 41 Oct 2023 – Sep 2026 23 µg/l 8 Sep 2026
Lead : BLM Bioavailable 3377 River water 1 Oct 2023 – Oct 2023 1.2 µg/l 27 Oct 2023
Lead, Dissolved 0052 River water 41 Oct 2023 – Sep 2026 17 µg/l 8 Sep 2026
Lithium, Dissolved 4201 River water 41 Oct 2023 – Sep 2026 below 100 µg/l 8 Sep 2026
Magnesium, Dissolved 0235 River water 41 Oct 2023 – Sep 2026 1.4 mg/l 8 Sep 2026
Manganese : BLM Bioavailable 4820 River water 1 Oct 2023 – Oct 2023 3.9 µg/l 27 Oct 2023
Manganese, Dissolved 6458 River water 41 Oct 2023 – Sep 2026 16 µg/l 8 Sep 2026
National Grid Reference : Whole : Field report 7434 River water 2 Jul 2024 – Sep 2024 1 unitless value 24 Sep 2024
Nickel 6462 River water 41 Oct 2023 – Sep 2026 1.8 µg/l 8 Sep 2026
Nickel : BLM Bioavailable 3878 River water 1 Oct 2023 – Oct 2023 0.36 µg/l 27 Oct 2023
Nickel, Dissolved 3410 River water 41 Oct 2023 – Sep 2026 1.6 µg/l 8 Sep 2026
pH : In Situ 3169 River water 23 Dec 2024 – Sep 2026 8.15 8 Sep 2026
Potassium, Dissolved 0209 River water 41 Oct 2023 – Sep 2026 0.63 mg/l 8 Sep 2026
Sodium, Dissolved 0205 River water 41 Oct 2023 – Sep 2026 4.6 mg/l 8 Sep 2026
Solids, Suspended at 105 C 0135 River water 41 Oct 2023 – Sep 2026 below 3 mg/l 8 Sep 2026
Strontium, Filtered 6693 River water 41 Oct 2023 – Sep 2026 85 µg/l 8 Sep 2026
Sulphate, Dissolved as SO4 7859 River water 41 Oct 2023 – Sep 2026 below 10 mg/l 8 Sep 2026
Zinc 6455 River water 41 Oct 2023 – Sep 2026 50 µg/l 8 Sep 2026
Zinc : BLM Bioavailable 4822 River water 1 Oct 2023 – Oct 2023 9.1 µg/l 27 Oct 2023
Zinc, Dissolved 3408 River water 41 Oct 2023 – Sep 2026 43 µg/l 8 Sep 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.