River Torne at Hirst Priory

EA name: RIVER TORNE AT HIRST PRIORY
Environment Agency sampling point MD-37420400 · 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
5 Mar 2026, 15:107 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone). Not sampled since, as far as the archive shows: the Environment Agency was asked up to 30 Sep 2026 and had nothing newer.
Samples banked
21 since 5 Jun 2024 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Environmental monitoring statutory (EU directives)
Where
National Grid 478140, 409850As published, to the nearest 10 m. Open in a map
River, by its own name
Torne
River, by the map
River TornePlaced on the river its name gives, 1 m from the line.
Next gauge downstream
None tracedIts water reaches the sea without passing a gauge.
Why it was sampled
Environmental monitoring statutory (EU directives) (21 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

87.4%

Sampled 5 Mar 2026, 7 months ago · 21 results banked

050100150200%2024202520265 Jun 2024, 10:56: 97.3%4 Jul 2024, 09:09: 80.4%6 Aug 2024, 16:31: 88.1%6 Sep 2024, 09:49: 63.1%16 Oct 2024, 08:28: 71.1%6 Nov 2024, 09:05: 50.1%3 Dec 2024, 10:15: 71.2%14 Jan 2025, 10:37: 82.8%13 Feb 2025, 08:41: 77.7%12 Mar 2025, 08:55: 90.7%7 Apr 2025, 13:03: 129.1%14 May 2025, 07:47: 151.3%24 Jul 2025, 10:50: 37.6%1 Aug 2025, 08:25: 86.1%8 Sep 2025, 12:40: 88%30 Oct 2025, 08:32: 78%13 Nov 2025, 10:56: 63.2%1 Dec 2025, 09:16: 81.8%17 Dec 2025, 12:14: 70.9%7 Jan 2026, 14:37: 83.3%5 Mar 2026, 15:10: 87.4%
Every result (21)
SampledResult as publishedReads as
5 Mar 2026, 15:1087.4 87.4%
7 Jan 2026, 14:3783.3 83.3%
17 Dec 2025, 12:1470.9 70.9%
1 Dec 2025, 09:1681.8 81.8%
13 Nov 2025, 10:5663.2 63.2%
30 Oct 2025, 08:3278 78%
8 Sep 2025, 12:4088 88%
1 Aug 2025, 08:2586.1 86.1%
24 Jul 2025, 10:5037.6 37.6%
14 May 2025, 07:47151.3 151.3%
7 Apr 2025, 13:03129.1 129.1%
12 Mar 2025, 08:5590.7 90.7%
13 Feb 2025, 08:4177.7 77.7%
14 Jan 2025, 10:3782.8 82.8%
3 Dec 2024, 10:1571.2 71.2%
6 Nov 2024, 09:0550.1 50.1%
16 Oct 2024, 08:2871.1 71.1%
6 Sep 2024, 09:4963.1 63.1%
6 Aug 2024, 16:3188.1 88.1%
4 Jul 2024, 09:0980.4 80.4%
5 Jun 2024, 10:5697.3 97.3%

Dissolved oxygen

as O2 · code 9924 · mg/l

9.85 mg/l

Sampled 5 Mar 2026, 7 months ago · 21 results banked

051015mg/l2024202520265 Jun 2024, 10:56: 9.68 mg/l4 Jul 2024, 09:09: 7.77 mg/l6 Aug 2024, 16:31: 7.91 mg/l6 Sep 2024, 09:49: 6.11 mg/l16 Oct 2024, 08:28: 7.84 mg/l6 Nov 2024, 09:05: 5.46 mg/l3 Dec 2024, 10:15: 8.57 mg/l14 Jan 2025, 10:37: 10.9 mg/l13 Feb 2025, 08:41: 9.99 mg/l12 Mar 2025, 08:55: 10.9 mg/l7 Apr 2025, 13:03: 13.9 mg/l14 May 2025, 07:47: 14.9 mg/l24 Jul 2025, 10:50: 3.42 mg/l1 Aug 2025, 08:25: 7.98 mg/l8 Sep 2025, 12:40: 8.41 mg/l30 Oct 2025, 08:32: 9.34 mg/l13 Nov 2025, 10:56: 6.92 mg/l1 Dec 2025, 09:16: 10.1 mg/l17 Dec 2025, 12:14: 8.55 mg/l7 Jan 2026, 14:37: 11.9 mg/l5 Mar 2026, 15:10: 9.85 mg/l
Every result (21)
SampledResult as publishedReads as
5 Mar 2026, 15:109.85 9.85 mg/l
7 Jan 2026, 14:3711.9 11.9 mg/l
17 Dec 2025, 12:148.55 8.55 mg/l
1 Dec 2025, 09:1610.1 10.1 mg/l
13 Nov 2025, 10:566.92 6.92 mg/l
30 Oct 2025, 08:329.34 9.34 mg/l
8 Sep 2025, 12:408.41 8.41 mg/l
1 Aug 2025, 08:257.98 7.98 mg/l
24 Jul 2025, 10:503.42 3.42 mg/l
14 May 2025, 07:4714.9 14.9 mg/l
7 Apr 2025, 13:0313.9 13.9 mg/l
12 Mar 2025, 08:5510.9 10.9 mg/l
13 Feb 2025, 08:419.99 9.99 mg/l
14 Jan 2025, 10:3710.9 10.9 mg/l
3 Dec 2024, 10:158.57 8.57 mg/l
6 Nov 2024, 09:055.46 5.46 mg/l
16 Oct 2024, 08:287.84 7.84 mg/l
6 Sep 2024, 09:496.11 6.11 mg/l
6 Aug 2024, 16:317.91 7.91 mg/l
4 Jul 2024, 09:097.77 7.77 mg/l
5 Jun 2024, 10:569.68 9.68 mg/l

Water temperature

code 0076 · °C

10 °C

Sampled 5 Mar 2026, 7 months ago · 21 results banked

0510152025°C2024202520265 Jun 2024, 10:56: 15.5 °C4 Jul 2024, 09:09: 16.9 °C6 Aug 2024, 16:31: 20.5 °C6 Sep 2024, 09:49: 16.8 °C16 Oct 2024, 08:28: 10.9 °C6 Nov 2024, 09:05: 11.4 °C3 Dec 2024, 10:15: 7.3 °C14 Jan 2025, 10:37: 3.9 °C13 Feb 2025, 08:41: 4.7 °C12 Mar 2025, 08:55: 7.2 °C7 Apr 2025, 13:03: 11.9 °C14 May 2025, 07:47: 16 °C24 Jul 2025, 10:50: 19.9 °C1 Aug 2025, 08:25: 18.9 °C8 Sep 2025, 12:40: 17.4 °C30 Oct 2025, 08:32: 7.5 °C13 Nov 2025, 10:56: 11.2 °C1 Dec 2025, 09:16: 6.4 °C17 Dec 2025, 12:14: 7.2 °C7 Jan 2026, 14:37: 0.8 °C5 Mar 2026, 15:10: 10 °C
Every result (21)
SampledResult as publishedReads as
5 Mar 2026, 15:1010 10 °C
7 Jan 2026, 14:370.8 0.8 °C
17 Dec 2025, 12:147.2 7.2 °C
1 Dec 2025, 09:166.4 6.4 °C
13 Nov 2025, 10:5611.2 11.2 °C
30 Oct 2025, 08:327.5 7.5 °C
8 Sep 2025, 12:4017.4 17.4 °C
1 Aug 2025, 08:2518.9 18.9 °C
24 Jul 2025, 10:5019.9 19.9 °C
14 May 2025, 07:4716 16 °C
7 Apr 2025, 13:0311.9 11.9 °C
12 Mar 2025, 08:557.2 7.2 °C
13 Feb 2025, 08:414.7 4.7 °C
14 Jan 2025, 10:373.9 3.9 °C
3 Dec 2024, 10:157.3 7.3 °C
6 Nov 2024, 09:0511.4 11.4 °C
16 Oct 2024, 08:2810.9 10.9 °C
6 Sep 2024, 09:4916.8 16.8 °C
6 Aug 2024, 16:3120.5 20.5 °C
4 Jul 2024, 09:0916.9 16.9 °C
5 Jun 2024, 10:5615.5 15.5 °C

pH

code 0061

7.56

Sampled 5 Mar 2026, 7 months ago · 21 results banked

77.588.592024202520265 Jun 2024, 10:56: 7.874 Jul 2024, 09:09: 7.876 Aug 2024, 16:31: 7.796 Sep 2024, 09:49: 7.5916 Oct 2024, 08:28: 7.76 Nov 2024, 09:05: 7.463 Dec 2024, 10:15: 7.4514 Jan 2025, 10:37: 7.3113 Feb 2025, 08:41: 7.5712 Mar 2025, 08:55: 7.867 Apr 2025, 13:03: 8.2814 May 2025, 07:47: 8.5924 Jul 2025, 10:50: 7.521 Aug 2025, 08:25: 7.68 Sep 2025, 12:40: 7.730 Oct 2025, 08:32: 7.7313 Nov 2025, 10:56: 7.471 Dec 2025, 09:16: 7.3817 Dec 2025, 12:14: 7.337 Jan 2026, 14:37: 7.665 Mar 2026, 15:10: 7.56
Every result (21)
SampledResult as publishedReads as
5 Mar 2026, 15:107.56 7.56
7 Jan 2026, 14:377.66 7.66
17 Dec 2025, 12:147.33 7.33
1 Dec 2025, 09:167.38 7.38
13 Nov 2025, 10:567.47 7.47
30 Oct 2025, 08:327.73 7.73
8 Sep 2025, 12:407.7 7.7
1 Aug 2025, 08:257.6 7.6
24 Jul 2025, 10:507.52 7.52
14 May 2025, 07:478.59 8.59
7 Apr 2025, 13:038.28 8.28
12 Mar 2025, 08:557.86 7.86
13 Feb 2025, 08:417.57 7.57
14 Jan 2025, 10:377.31 7.31
3 Dec 2024, 10:157.45 7.45
6 Nov 2024, 09:057.46 7.46
16 Oct 2024, 08:287.7 7.7
6 Sep 2024, 09:497.59 7.59
6 Aug 2024, 16:317.79 7.79
4 Jul 2024, 09:097.87 7.87
5 Jun 2024, 10:567.87 7.87

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.19 mg/l

Sampled 5 Mar 2026, 7 months ago · 19 results banked

00.20.40.60.8mg/l2024202520265 Jun 2024, 10:56: below 0.03 mg/l (not detected above this)4 Jul 2024, 09:09: 0.07 mg/l6 Aug 2024, 16:31: below 0.03 mg/l (not detected above this)6 Sep 2024, 09:49: 0.075 mg/l16 Oct 2024, 08:28: 0.19 mg/l6 Nov 2024, 09:05: 0.11 mg/l14 Jan 2025, 10:37: 0.57 mg/l13 Feb 2025, 08:41: 0.57 mg/l12 Mar 2025, 08:55: 0.23 mg/l14 May 2025, 07:47: 0.099 mg/l24 Jul 2025, 10:50: 0.16 mg/l1 Aug 2025, 08:25: 0.074 mg/l8 Sep 2025, 12:40: 0.053 mg/l30 Oct 2025, 08:32: below 0.03 mg/l (not detected above this)13 Nov 2025, 10:56: 0.24 mg/l1 Dec 2025, 09:16: 0.76 mg/l17 Dec 2025, 12:14: 0.46 mg/l7 Jan 2026, 14:37: 0.69 mg/l5 Mar 2026, 15:10: 0.19 mg/l
Every result (19)
SampledResult as publishedReads as
5 Mar 2026, 15:100.19 0.19 mg/l
7 Jan 2026, 14:370.69 0.69 mg/l
17 Dec 2025, 12:140.46 0.46 mg/l
1 Dec 2025, 09:160.76 0.76 mg/l
13 Nov 2025, 10:560.24 0.24 mg/l
30 Oct 2025, 08:32<0.03 below 0.03 mg/l (not detected above this)
8 Sep 2025, 12:400.053 0.053 mg/l
1 Aug 2025, 08:250.074 0.074 mg/l
24 Jul 2025, 10:500.16 0.16 mg/l
14 May 2025, 07:470.099 0.099 mg/l
12 Mar 2025, 08:550.23 0.23 mg/l
13 Feb 2025, 08:410.57 0.57 mg/l
14 Jan 2025, 10:370.57 0.57 mg/l
6 Nov 2024, 09:050.11 0.11 mg/l
16 Oct 2024, 08:280.19 0.19 mg/l
6 Sep 2024, 09:490.075 0.075 mg/l
6 Aug 2024, 16:31<0.03 below 0.03 mg/l (not detected above this)
4 Jul 2024, 09:090.07 0.07 mg/l
5 Jun 2024, 10:56<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

9.86 mg/l

Sampled 5 Mar 2026, 7 months ago · 20 results banked

681012mg/l2024202520265 Jun 2024, 10:56: 7.96 mg/l4 Jul 2024, 09:09: 9.96 mg/l6 Aug 2024, 16:31: 8.77 mg/l6 Sep 2024, 09:49: 9.95 mg/l16 Oct 2024, 08:28: 9.08 mg/l6 Nov 2024, 09:05: 10.8 mg/l3 Dec 2024, 10:15: 8.89 mg/l14 Jan 2025, 10:37: 9.93 mg/l13 Feb 2025, 08:41: 10.9 mg/l12 Mar 2025, 08:55: 11.9 mg/l14 May 2025, 07:47: 11.9 mg/l24 Jul 2025, 10:50: 7.14 mg/l1 Aug 2025, 08:25: 6.35 mg/l8 Sep 2025, 12:40: 11 mg/l30 Oct 2025, 08:32: 8.03 mg/l13 Nov 2025, 10:56: 8.44 mg/l1 Dec 2025, 09:16: 9.88 mg/l17 Dec 2025, 12:14: 9.89 mg/l7 Jan 2026, 14:37: 10.8 mg/l5 Mar 2026, 15:10: 9.86 mg/l
Every result (20)
SampledResult as publishedReads as
5 Mar 2026, 15:109.86 9.86 mg/l
7 Jan 2026, 14:3710.8 10.8 mg/l
17 Dec 2025, 12:149.89 9.89 mg/l
1 Dec 2025, 09:169.88 9.88 mg/l
13 Nov 2025, 10:568.44 8.44 mg/l
30 Oct 2025, 08:328.03 8.03 mg/l
8 Sep 2025, 12:4011 11 mg/l
1 Aug 2025, 08:256.35 6.35 mg/l
24 Jul 2025, 10:507.14 7.14 mg/l
14 May 2025, 07:4711.9 11.9 mg/l
12 Mar 2025, 08:5511.9 11.9 mg/l
13 Feb 2025, 08:4110.9 10.9 mg/l
14 Jan 2025, 10:379.93 9.93 mg/l
3 Dec 2024, 10:158.89 8.89 mg/l
6 Nov 2024, 09:0510.8 10.8 mg/l
16 Oct 2024, 08:289.08 9.08 mg/l
6 Sep 2024, 09:499.95 9.95 mg/l
6 Aug 2024, 16:318.77 8.77 mg/l
4 Jul 2024, 09:099.96 9.96 mg/l
5 Jun 2024, 10:567.96 7.96 mg/l

Phosphate

orthophosphate, reactive, as P · code 0180 · mg/l

0.095 mg/l

Sampled 5 Mar 2026, 7 months ago · 20 results banked

00.20.40.6mg/l2024202520265 Jun 2024, 10:56: 0.11 mg/l4 Jul 2024, 09:09: 0.34 mg/l6 Aug 2024, 16:31: 0.39 mg/l6 Sep 2024, 09:49: 0.49 mg/l16 Oct 2024, 08:28: 0.15 mg/l6 Nov 2024, 09:05: 0.23 mg/l3 Dec 2024, 10:15: 0.23 mg/l14 Jan 2025, 10:37: 0.11 mg/l13 Feb 2025, 08:41: 0.092 mg/l12 Mar 2025, 08:55: 0.21 mg/l14 May 2025, 07:47: 0.16 mg/l24 Jul 2025, 10:50: 0.27 mg/l1 Aug 2025, 08:25: 0.34 mg/l8 Sep 2025, 12:40: 0.26 mg/l30 Oct 2025, 08:32: 0.21 mg/l13 Nov 2025, 10:56: 0.19 mg/l1 Dec 2025, 09:16: 0.058 mg/l17 Dec 2025, 12:14: 0.061 mg/l7 Jan 2026, 14:37: 0.081 mg/l5 Mar 2026, 15:10: 0.095 mg/l
Every result (20)
SampledResult as publishedReads as
5 Mar 2026, 15:100.095 0.095 mg/l
7 Jan 2026, 14:370.081 0.081 mg/l
17 Dec 2025, 12:140.061 0.061 mg/l
1 Dec 2025, 09:160.058 0.058 mg/l
13 Nov 2025, 10:560.19 0.19 mg/l
30 Oct 2025, 08:320.21 0.21 mg/l
8 Sep 2025, 12:400.26 0.26 mg/l
1 Aug 2025, 08:250.34 0.34 mg/l
24 Jul 2025, 10:500.27 0.27 mg/l
14 May 2025, 07:470.16 0.16 mg/l
12 Mar 2025, 08:550.21 0.21 mg/l
13 Feb 2025, 08:410.092 0.092 mg/l
14 Jan 2025, 10:370.11 0.11 mg/l
3 Dec 2024, 10:150.23 0.23 mg/l
6 Nov 2024, 09:050.23 0.23 mg/l
16 Oct 2024, 08:280.15 0.15 mg/l
6 Sep 2024, 09:490.49 0.49 mg/l
6 Aug 2024, 16:310.39 0.39 mg/l
4 Jul 2024, 09:090.34 0.34 mg/l
5 Jun 2024, 10:560.11 0.11 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

1107 µS/cm

Sampled 5 Mar 2026, 7 months ago · 21 results banked

10001100120013001400µS/cm2024202520265 Jun 2024, 10:56: 1382 µS/cm4 Jul 2024, 09:09: 1297 µS/cm6 Aug 2024, 16:31: 1225 µS/cm6 Sep 2024, 09:49: 1231 µS/cm16 Oct 2024, 08:28: 1139 µS/cm6 Nov 2024, 09:05: 1229 µS/cm3 Dec 2024, 10:15: 1195 µS/cm14 Jan 2025, 10:37: 1115 µS/cm13 Feb 2025, 08:41: 1285 µS/cm12 Mar 2025, 08:55: 1289 µS/cm7 Apr 2025, 13:03: 1354 µS/cm14 May 2025, 07:47: 1310 µS/cm24 Jul 2025, 10:50: 1256 µS/cm1 Aug 2025, 08:25: 1138 µS/cm8 Sep 2025, 12:40: 1339 µS/cm30 Oct 2025, 08:32: 1098 µS/cm13 Nov 2025, 10:56: 1035 µS/cm1 Dec 2025, 09:16: 1030 µS/cm17 Dec 2025, 12:14: 1039 µS/cm7 Jan 2026, 14:37: 1362 µS/cm5 Mar 2026, 15:10: 1107 µS/cm
Every result (21)
SampledResult as publishedReads as
5 Mar 2026, 15:101107 1107 µS/cm
7 Jan 2026, 14:371362 1362 µS/cm
17 Dec 2025, 12:141039 1039 µS/cm
1 Dec 2025, 09:161030 1030 µS/cm
13 Nov 2025, 10:561035 1035 µS/cm
30 Oct 2025, 08:321098 1098 µS/cm
8 Sep 2025, 12:401339 1339 µS/cm
1 Aug 2025, 08:251138 1138 µS/cm
24 Jul 2025, 10:501256 1256 µS/cm
14 May 2025, 07:471310 1310 µS/cm
7 Apr 2025, 13:031354 1354 µS/cm
12 Mar 2025, 08:551289 1289 µS/cm
13 Feb 2025, 08:411285 1285 µS/cm
14 Jan 2025, 10:371115 1115 µS/cm
3 Dec 2024, 10:151195 1195 µS/cm
6 Nov 2024, 09:051229 1229 µS/cm
16 Oct 2024, 08:281139 1139 µS/cm
6 Sep 2024, 09:491231 1231 µS/cm
6 Aug 2024, 16:311225 1225 µS/cm
4 Jul 2024, 09:091297 1297 µS/cm
5 Jun 2024, 10:561382 1382 µS/cm

Everything measured here

12 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 12 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 21 Jun 2024 – Mar 2026 87.4% 5 Mar 2026
Oxygen, Dissolved as O2 9924 River water 21 Jun 2024 – Mar 2026 9.85 mg/l 5 Mar 2026
Temperature of Water 0076 River water 21 Jun 2024 – Mar 2026 10 °C 5 Mar 2026
pH 0061 River water 21 Jun 2024 – Mar 2026 7.56 5 Mar 2026
Ammoniacal Nitrogen as N 0111 River water 19 Jun 2024 – Mar 2026 0.19 mg/l 5 Mar 2026
Nitrate as N 0117 River water 20 Jun 2024 – Mar 2026 9.86 mg/l 5 Mar 2026
Orthophosphate, reactive as P 0180 River water 20 Jun 2024 – Mar 2026 0.095 mg/l 5 Mar 2026
Conductivity at 25 C 0077 River water 21 Jun 2024 – Mar 2026 1107 µS/cm 5 Mar 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 20 Jun 2024 – Mar 2026 210 mg/l 5 Mar 2026
Ammonia un-ionised as N 0119 River water 19 Jun 2024 – Mar 2026 0.00127 mg/l 5 Mar 2026
Nitrite as N 0118 River water 20 Jun 2024 – Mar 2026 0.045 mg/l 5 Mar 2026
Nitrogen, Total Oxidised as N 0116 River water 20 Jun 2024 – Mar 2026 9.9 mg/l 5 Mar 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.