Garvey Hill

EA name: SSN0080 GARVEY HILL
Environment Agency sampling point SW-SSN0080 · 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, 10:5923 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
27 since 31 Jan 2025 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 370230, 113966As 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
Not placedNearest line is 496 m away and its name does not agree. The river map cannot say which watercourse this is.
Next gauge downstream
Not known
Why it was sampled
Monitoring (national agency policy) (27 samples)

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

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

70%

Sampled 9 Apr 2026, 6 months ago · 10 results banked

20406080100%20242025202631 Jan 2025, 08:57: 90.4%14 Feb 2025, 14:24: 91.5%26 Mar 2025, 13:05: 92.9%24 Apr 2025, 13:13: 92.4%3 Sep 2025, 12:41: 35.7%13 Nov 2025, 10:06: 89%26 Jan 2026, 11:25: 69.3%10 Feb 2026, 14:58: 90.3%12 Mar 2026, 09:41: 70.8%9 Apr 2026, 10:40: 70%
Every result (10)
SampledResult as publishedReads as
9 Apr 2026, 10:4070 70%
12 Mar 2026, 09:4170.8 70.8%
10 Feb 2026, 14:5890.3 90.3%
26 Jan 2026, 11:2569.3 69.3%
13 Nov 2025, 10:0689 89%
3 Sep 2025, 12:4135.7 35.7%
24 Apr 2025, 13:1392.4 92.4%
26 Mar 2025, 13:0592.9 92.9%
14 Feb 2025, 14:2491.5 91.5%
31 Jan 2025, 08:5790.4 90.4%

Dissolved oxygen

as O2 · code 9924 · mg/l

7.75 mg/l

Sampled 9 Apr 2026, 6 months ago · 10 results banked

24681012mg/l20242025202631 Jan 2025, 08:57: 11.3 mg/l14 Feb 2025, 14:24: 11.3 mg/l26 Mar 2025, 13:05: 10.3 mg/l24 Apr 2025, 13:13: 9.82 mg/l3 Sep 2025, 12:41: 3.52 mg/l13 Nov 2025, 10:06: 9.35 mg/l26 Jan 2026, 11:25: 8.29 mg/l10 Feb 2026, 14:58: 10.4 mg/l12 Mar 2026, 09:41: 8.21 mg/l9 Apr 2026, 10:40: 7.75 mg/l
Every result (10)
SampledResult as publishedReads as
9 Apr 2026, 10:407.75 7.75 mg/l
12 Mar 2026, 09:418.21 8.21 mg/l
10 Feb 2026, 14:5810.4 10.4 mg/l
26 Jan 2026, 11:258.29 8.29 mg/l
13 Nov 2025, 10:069.35 9.35 mg/l
3 Sep 2025, 12:413.52 3.52 mg/l
24 Apr 2025, 13:139.82 9.82 mg/l
26 Mar 2025, 13:0510.3 10.3 mg/l
14 Feb 2025, 14:2411.3 11.3 mg/l
31 Jan 2025, 08:5711.3 11.3 mg/l

Water temperature

code 0076 · °C

10.7 °C

Sampled 9 Apr 2026, 6 months ago · 10 results banked

57.51012.51517.5°C20242025202631 Jan 2025, 08:57: 5.9 °C14 Feb 2025, 14:24: 6.3 °C26 Mar 2025, 13:05: 10.5 °C24 Apr 2025, 13:13: 12.5 °C3 Sep 2025, 12:41: 15.9 °C13 Nov 2025, 10:06: 13 °C26 Jan 2026, 11:25: 7.5 °C10 Feb 2026, 14:58: 9.2 °C12 Mar 2026, 09:41: 8.8 °C9 Apr 2026, 10:40: 10.7 °C
Every result (10)
SampledResult as publishedReads as
9 Apr 2026, 10:4010.7 10.7 °C
12 Mar 2026, 09:418.8 8.8 °C
10 Feb 2026, 14:589.2 9.2 °C
26 Jan 2026, 11:257.5 7.5 °C
13 Nov 2025, 10:0613 13 °C
3 Sep 2025, 12:4115.9 15.9 °C
24 Apr 2025, 13:1312.5 12.5 °C
26 Mar 2025, 13:0510.5 10.5 °C
14 Feb 2025, 14:246.3 6.3 °C
31 Jan 2025, 08:575.9 5.9 °C

pH

code 0061

7.97

Sampled 9 Apr 2026, 6 months ago · 10 results banked

7.47.67.888.220242025202631 Jan 2025, 08:57: 7.7314 Feb 2025, 14:24: 8.0626 Mar 2025, 13:05: 8.1424 Apr 2025, 13:13: 7.923 Sep 2025, 12:41: 7.5713 Nov 2025, 10:06: 7.8126 Jan 2026, 11:25: 7.6210 Feb 2026, 14:58: 7.7712 Mar 2026, 09:41: 7.929 Apr 2026, 10:40: 7.97
Every result (10)
SampledResult as publishedReads as
9 Apr 2026, 10:407.97 7.97
12 Mar 2026, 09:417.92 7.92
10 Feb 2026, 14:587.77 7.77
26 Jan 2026, 11:257.62 7.62
13 Nov 2025, 10:067.81 7.81
3 Sep 2025, 12:417.57 7.57
24 Apr 2025, 13:137.92 7.92
26 Mar 2025, 13:058.14 8.14
14 Feb 2025, 14:248.06 8.06
31 Jan 2025, 08:577.73 7.73

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

3.7 mg/l

Sampled 9 Apr 2026, 6 months ago · 10 results banked

02468mg/l20242025202631 Jan 2025, 08:57: 0.64 mg/l14 Feb 2025, 14:24: 0.49 mg/l26 Mar 2025, 13:05: 0.055 mg/l24 Apr 2025, 13:13: 0.13 mg/l3 Sep 2025, 12:41: 0.14 mg/l13 Nov 2025, 10:06: 0.91 mg/l26 Jan 2026, 11:25: 6.8 mg/l10 Feb 2026, 14:58: 1.2 mg/l12 Mar 2026, 09:41: 3.8 mg/l9 Apr 2026, 10:40: 3.7 mg/l
Every result (10)
SampledResult as publishedReads as
9 Apr 2026, 10:403.7 3.7 mg/l
12 Mar 2026, 09:413.8 3.8 mg/l
10 Feb 2026, 14:581.2 1.2 mg/l
26 Jan 2026, 11:256.8 6.8 mg/l
13 Nov 2025, 10:060.91 0.91 mg/l
3 Sep 2025, 12:410.14 0.14 mg/l
24 Apr 2025, 13:130.13 0.13 mg/l
26 Mar 2025, 13:050.055 0.055 mg/l
14 Feb 2025, 14:240.49 0.49 mg/l
31 Jan 2025, 08:570.64 0.64 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

3.51 mg/l

Sampled 9 Apr 2026, 6 months ago · 10 results banked

010203040mg/l20242025202631 Jan 2025, 08:57: 2.89 mg/l14 Feb 2025, 14:24: 7.26 mg/l26 Mar 2025, 13:05: 4.04 mg/l24 Apr 2025, 13:13: 3.13 mg/l3 Sep 2025, 12:41: 0.681 mg/l13 Nov 2025, 10:06: 30.5 mg/l26 Jan 2026, 11:25: 7.74 mg/l10 Feb 2026, 14:58: 4.77 mg/l12 Mar 2026, 09:41: 4.4 mg/l9 Apr 2026, 10:40: 3.51 mg/l
Every result (10)
SampledResult as publishedReads as
9 Apr 2026, 10:403.51 3.51 mg/l
12 Mar 2026, 09:414.4 4.4 mg/l
10 Feb 2026, 14:584.77 4.77 mg/l
26 Jan 2026, 11:257.74 7.74 mg/l
13 Nov 2025, 10:0630.5 30.5 mg/l
3 Sep 2025, 12:410.681 0.681 mg/l
24 Apr 2025, 13:133.13 3.13 mg/l
26 Mar 2025, 13:054.04 4.04 mg/l
14 Feb 2025, 14:247.26 7.26 mg/l
31 Jan 2025, 08:572.89 2.89 mg/l

Phosphate

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

0.18 mg/l

Sampled 9 Apr 2026, 6 months ago · 10 results banked

00.050.10.150.2mg/l20242025202631 Jan 2025, 08:57: 0.091 mg/l14 Feb 2025, 14:24: 0.055 mg/l26 Mar 2025, 13:05: 0.05 mg/l24 Apr 2025, 13:13: 0.087 mg/l3 Sep 2025, 12:41: 0.1 mg/l13 Nov 2025, 10:06: 0.048 mg/l26 Jan 2026, 11:25: 0.081 mg/l10 Feb 2026, 14:58: 0.021 mg/l12 Mar 2026, 09:41: 0.06 mg/l9 Apr 2026, 10:40: 0.18 mg/l
Every result (10)
SampledResult as publishedReads as
9 Apr 2026, 10:400.18 0.18 mg/l
12 Mar 2026, 09:410.06 0.06 mg/l
10 Feb 2026, 14:580.021 0.021 mg/l
26 Jan 2026, 11:250.081 0.081 mg/l
13 Nov 2025, 10:060.048 0.048 mg/l
3 Sep 2025, 12:410.1 0.1 mg/l
24 Apr 2025, 13:130.087 0.087 mg/l
26 Mar 2025, 13:050.05 0.05 mg/l
14 Feb 2025, 14:240.055 0.055 mg/l
31 Jan 2025, 08:570.091 0.091 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

700 µS/cm

Sampled 9 Apr 2026, 6 months ago · 10 results banked

250500750100012501500µS/cm20242025202631 Jan 2025, 08:57: 377 µS/cm14 Feb 2025, 14:24: 681 µS/cm26 Mar 2025, 13:05: 683 µS/cm24 Apr 2025, 13:13: 733 µS/cm3 Sep 2025, 12:41: 1316 µS/cm13 Nov 2025, 10:06: 843 µS/cm26 Jan 2026, 11:25: 679 µS/cm10 Feb 2026, 14:58: 435 µS/cm12 Mar 2026, 09:41: 705 µS/cm9 Apr 2026, 10:40: 700 µS/cm
Every result (10)
SampledResult as publishedReads as
9 Apr 2026, 10:40700 700 µS/cm
12 Mar 2026, 09:41705 705 µS/cm
10 Feb 2026, 14:58435 435 µS/cm
26 Jan 2026, 11:25679 679 µS/cm
13 Nov 2025, 10:06843 843 µS/cm
3 Sep 2025, 12:411316 1316 µS/cm
24 Apr 2025, 13:13733 733 µS/cm
26 Mar 2025, 13:05683 683 µS/cm
14 Feb 2025, 14:24681 681 µS/cm
31 Jan 2025, 08:57377 377 µS/cm

Everything measured here

50 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 50 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 10 Jan 2025 – Apr 2026 70% 9 Apr 2026
Oxygen, Dissolved as O2 9924 River water 10 Jan 2025 – Apr 2026 7.75 mg/l 9 Apr 2026
Temperature of Water 0076 River water 10 Jan 2025 – Apr 2026 10.7 °C 9 Apr 2026
pH 0061 River water 10 Jan 2025 – Apr 2026 7.97 9 Apr 2026
Ammoniacal Nitrogen as N 0111 River water 10 Jan 2025 – Apr 2026 3.7 mg/l 9 Apr 2026
Nitrate as N 0117 River water 10 Jan 2025 – Apr 2026 3.51 mg/l 9 Apr 2026
Orthophosphate, reactive as P 0180 River water 10 Jan 2025 – Apr 2026 0.18 mg/l 9 Apr 2026
Conductivity at 25 C 0077 River water 10 Jan 2025 – Apr 2026 700 µS/cm 9 Apr 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 10 Jan 2025 – Apr 2026 320 mg/l 9 Apr 2026
Aluminium, Dissolved 6037 River water 2 Apr 2025 – Mar 2026 below 20 µg/l 12 Mar 2026
Aminomethylphosphonic acid 7125 River water 6 Apr 2025 – Mar 2026 below 0.1 µg/l 12 Mar 2026
Ammonia un-ionised as N 0119 River water 10 Jan 2025 – Apr 2026 0.0664 mg/l 9 Apr 2026
Barium, Dissolved 9446 River water 2 Apr 2025 – Mar 2026 15 µg/l 12 Mar 2026
Boron, Dissolved 9447 River water 2 Apr 2025 – Mar 2026 below 100 µg/l 12 Mar 2026
Cadmium, Dissolved 0106 River water 2 Apr 2025 – Mar 2026 below 0.01 µg/l 12 Mar 2026
Calcium, Dissolved 0239 River water 2 Apr 2025 – Mar 2026 120 mg/l 12 Mar 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 10 Jan 2025 – Apr 2026 4.2 mg/l 9 Apr 2026
Chloride 0172 River water 10 Jan 2025 – Apr 2026 28 mg/l 9 Apr 2026
Chromium, Dissolved 3409 River water 2 Apr 2025 – Mar 2026 below 0.5 µg/l 12 Mar 2026
Copper : BLM Bioavailable 4821 River water 2 Apr 2025 – Mar 2026 0.06 µg/l 12 Mar 2026
Copper, Dissolved 6450 River water 2 Apr 2025 – Mar 2026 1.7 µg/l 12 Mar 2026
eDNA Report 3047 River water 1 Jan 2025 – Jan 2025 1 text result 31 Jan 2025
Flow Type 2896 River water 17 Jan 2025 – Sep 2026 Dry 8 Sep 2026
Glyphosate 3007 River water 6 Apr 2025 – Mar 2026 below 0.1 µg/l 12 Mar 2026
Hardness, Calcium 0163 River water 2 Apr 2025 – Mar 2026 300 mg/l 12 Mar 2026
Hardness, Total as CaCO3 0158 River water 2 Apr 2025 – Mar 2026 328 mg/l 12 Mar 2026
Iron, Dissolved 6460 River water 2 Apr 2025 – Mar 2026 270 µg/l 12 Mar 2026
LCMS Screen : Semi Quantitative 7299 River water 4 Feb 2025 – Apr 2026 1 text result 9 Apr 2026
Lead : BLM Bioavailable 3377 River water 2 Apr 2025 – Mar 2026 0.02 µg/l 12 Mar 2026
Lead, Dissolved 0052 River water 2 Apr 2025 – Mar 2026 0.15 µg/l 12 Mar 2026
Lithium, Dissolved 4201 River water 2 Apr 2025 – Mar 2026 below 100 µg/l 12 Mar 2026
Magnesium, Dissolved 0235 River water 2 Apr 2025 – Mar 2026 7 mg/l 12 Mar 2026
Manganese : BLM Bioavailable 4820 River water 2 Apr 2025 – Mar 2026 160 µg/l 12 Mar 2026
Manganese, Dissolved 6458 River water 2 Apr 2025 – Mar 2026 330 µg/l 12 Mar 2026
Mitochondrial marker : Fish 12S 2857 River water 1 Jan 2025 – Jan 2025 Not found 31 Jan 2025
Nickel : BLM Bioavailable 3878 River water 2 Apr 2025 – Mar 2026 0.59 µg/l 12 Mar 2026
Nickel, Dissolved 3410 River water 2 Apr 2025 – Mar 2026 2.4 µg/l 12 Mar 2026
Nitrite as N 0118 River water 10 Jan 2025 – Apr 2026 0.19 mg/l 9 Apr 2026
Nitrogen, Total as N 9686 River water 10 Jan 2025 – Apr 2026 8.6 mg/l 9 Apr 2026
Nitrogen, Total Oxidised as N 0116 River water 10 Jan 2025 – Apr 2026 3.7 mg/l 9 Apr 2026
No flow /No sample 7668 River water 16 May 2025 – Sep 2026 No flow/discharge at sampling point 8 Sep 2026
Phosphorus, Total as P 0348 River water 10 Jan 2025 – Apr 2026 0.29 mg/l 9 Apr 2026
Potassium, Dissolved 0209 River water 2 Apr 2025 – Mar 2026 8.3 mg/l 12 Mar 2026
Silica, reactive as SiO2 0182 River water 10 Jan 2025 – Apr 2026 5.5 mg/l 9 Apr 2026
Sodium, Dissolved 0205 River water 2 Apr 2025 – Mar 2026 16 mg/l 12 Mar 2026
Solids, Suspended at 105 C 0135 River water 10 Jan 2025 – Apr 2026 28 mg/l 9 Apr 2026
Strontium, Filtered 6693 River water 2 Apr 2025 – Mar 2026 380 µg/l 12 Mar 2026
Sulphate, Dissolved as SO4 7859 River water 2 Apr 2025 – Mar 2026 22 mg/l 12 Mar 2026
Zinc : BLM Bioavailable 4822 River water 2 Apr 2025 – Mar 2026 1.1 µg/l 12 Mar 2026
Zinc, Dissolved 3408 River water 2 Apr 2025 – Mar 2026 4.1 µg/l 12 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.