Caudworthy Water at Greenamoor Bridge

EA name: CAUDWORTHY WATER AT GREENAMOOR BRIDGE
Environment Agency sampling point SW-91221760 · 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 2024, 10:502.6 years 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 8 Oct 2026 and had nothing newer.
Samples banked
7 since 19 Oct 2023 Imported periods: 1 Oct 2023 – 8 Oct 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Environmental monitoring statutory (EU directives)
Where
National Grid 225686, 95458As published, to the nearest 1 m. Open in a map
River, by its own name
Caudworthy Water
River, by the map
Caudworthy WaterPlaced on the river its name gives, 3 m from the line.
Next gauge downstream
Werrington On the River Ottery · 20 km along the river
Why it was sampled
Environmental monitoring statutory (EU directives) (7 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

96.1%

Sampled 5 Mar 2024, 2.6 years ago · 7 results banked

92949698100%202420252026no sample published after Mar 202419 Oct 2023, 10:52: 93%6 Nov 2023, 12:15: 92.6%12 Dec 2023, 12:47: 92.7%18 Jan 2024, 12:47: 98.5%24 Jan 2024, 10:38: 95.2%2 Feb 2024, 12:16: 94.9%5 Mar 2024, 10:50: 96.1%
Every result (7)
SampledResult as publishedReads as
5 Mar 2024, 10:5096.1 96.1%
2 Feb 2024, 12:1694.9 94.9%
24 Jan 2024, 10:3895.2 95.2%
18 Jan 2024, 12:4798.5 98.5%
12 Dec 2023, 12:4792.7 92.7%
6 Nov 2023, 12:1592.6 92.6%
19 Oct 2023, 10:5293 93%

Dissolved oxygen

as O2 · code 9924 · mg/l

11.7 mg/l

Sampled 5 Mar 2024, 2.6 years ago · 7 results banked

91011121314mg/l202420252026no sample published after Mar 202419 Oct 2023, 10:52: 9.54 mg/l6 Nov 2023, 12:15: 10.2 mg/l12 Dec 2023, 12:47: 10.4 mg/l18 Jan 2024, 12:47: 13.2 mg/l24 Jan 2024, 10:38: 11.1 mg/l2 Feb 2024, 12:16: 10.9 mg/l5 Mar 2024, 10:50: 11.7 mg/l
Every result (7)
SampledResult as publishedReads as
5 Mar 2024, 10:5011.7 11.7 mg/l
2 Feb 2024, 12:1610.9 10.9 mg/l
24 Jan 2024, 10:3811.1 11.1 mg/l
18 Jan 2024, 12:4713.2 13.2 mg/l
12 Dec 2023, 12:4710.4 10.4 mg/l
6 Nov 2023, 12:1510.2 10.2 mg/l
19 Oct 2023, 10:529.54 9.54 mg/l

Water temperature

code 0076 · °C

6.9 °C

Sampled 5 Mar 2024, 2.6 years ago · 7 results banked

051015°C202420252026no sample published after Mar 202419 Oct 2023, 10:52: 14.1 °C6 Nov 2023, 12:15: 10.9 °C12 Dec 2023, 12:47: 10 °C18 Jan 2024, 12:47: 3.1 °C24 Jan 2024, 10:38: 8.7 °C2 Feb 2024, 12:16: 9.2 °C5 Mar 2024, 10:50: 6.9 °C
Every result (7)
SampledResult as publishedReads as
5 Mar 2024, 10:506.9 6.9 °C
2 Feb 2024, 12:169.2 9.2 °C
24 Jan 2024, 10:388.7 8.7 °C
18 Jan 2024, 12:473.1 3.1 °C
12 Dec 2023, 12:4710 10 °C
6 Nov 2023, 12:1510.9 10.9 °C
19 Oct 2023, 10:5214.1 14.1 °C

pH

code 0061

7.15

Sampled 5 Mar 2024, 2.6 years ago · 7 results banked

6.977.17.27.3202420252026no sample published after Mar 202419 Oct 2023, 10:52: 6.956 Nov 2023, 12:15: 6.9212 Dec 2023, 12:47: 7.1218 Jan 2024, 12:47: 7.2724 Jan 2024, 10:38: 7.082 Feb 2024, 12:16: 6.925 Mar 2024, 10:50: 7.15
Every result (7)
SampledResult as publishedReads as
5 Mar 2024, 10:507.15 7.15
2 Feb 2024, 12:166.92 6.92
24 Jan 2024, 10:387.08 7.08
18 Jan 2024, 12:477.27 7.27
12 Dec 2023, 12:477.12 7.12
6 Nov 2023, 12:156.92 6.92
19 Oct 2023, 10:526.95 6.95

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.065 mg/l

Sampled 5 Mar 2024, 2.6 years ago · 7 results banked

00.20.40.60.8mg/l202420252026no sample published after Mar 202419 Oct 2023, 10:52: below 0.03 mg/l (not detected above this)6 Nov 2023, 12:15: 0.22 mg/l12 Dec 2023, 12:47: 0.75 mg/l18 Jan 2024, 12:47: 0.034 mg/l24 Jan 2024, 10:38: 0.14 mg/l2 Feb 2024, 12:16: 0.15 mg/l5 Mar 2024, 10:50: 0.065 mg/l
Every result (7)
SampledResult as publishedReads as
5 Mar 2024, 10:500.065 0.065 mg/l
2 Feb 2024, 12:160.15 0.15 mg/l
24 Jan 2024, 10:380.14 0.14 mg/l
18 Jan 2024, 12:470.034 0.034 mg/l
12 Dec 2023, 12:470.75 0.75 mg/l
6 Nov 2023, 12:150.22 0.22 mg/l
19 Oct 2023, 10:52<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

1.1 mg/l

Sampled 5 Mar 2024, 2.6 years ago · 7 results banked

0.811.21.41.6mg/l202420252026no sample published after Mar 202419 Oct 2023, 10:52: 1.5 mg/l6 Nov 2023, 12:15: 1.29 mg/l12 Dec 2023, 12:47: 0.905 mg/l18 Jan 2024, 12:47: 1.4 mg/l24 Jan 2024, 10:38: 1.19 mg/l2 Feb 2024, 12:16: 1.29 mg/l5 Mar 2024, 10:50: 1.1 mg/l
Every result (7)
SampledResult as publishedReads as
5 Mar 2024, 10:501.1 1.1 mg/l
2 Feb 2024, 12:161.29 1.29 mg/l
24 Jan 2024, 10:381.19 1.19 mg/l
18 Jan 2024, 12:471.4 1.4 mg/l
12 Dec 2023, 12:470.905 0.905 mg/l
6 Nov 2023, 12:151.29 1.29 mg/l
19 Oct 2023, 10:521.5 1.5 mg/l

Phosphate

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

0.029 mg/l

Sampled 5 Mar 2024, 2.6 years ago · 7 results banked

00.020.040.06mg/l202420252026no sample published after Mar 202419 Oct 2023, 10:52: 0.034 mg/l6 Nov 2023, 12:15: 0.052 mg/l12 Dec 2023, 12:47: 0.058 mg/l18 Jan 2024, 12:47: below 0.01 mg/l (not detected above this)24 Jan 2024, 10:38: 0.029 mg/l2 Feb 2024, 12:16: 0.048 mg/l5 Mar 2024, 10:50: 0.029 mg/l
Every result (7)
SampledResult as publishedReads as
5 Mar 2024, 10:500.029 0.029 mg/l
2 Feb 2024, 12:160.048 0.048 mg/l
24 Jan 2024, 10:380.029 0.029 mg/l
18 Jan 2024, 12:47<0.01 below 0.01 mg/l (not detected above this)
12 Dec 2023, 12:470.058 0.058 mg/l
6 Nov 2023, 12:150.052 0.052 mg/l
19 Oct 2023, 10:520.034 0.034 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

188 µS/cm

Sampled 5 Mar 2024, 2.6 years ago · 7 results banked

180190200210220µS/cm202420252026no sample published after Mar 202419 Oct 2023, 10:52: 219 µS/cm6 Nov 2023, 12:15: 216 µS/cm12 Dec 2023, 12:47: 213 µS/cm18 Jan 2024, 12:47: 218 µS/cm24 Jan 2024, 10:38: 219 µS/cm2 Feb 2024, 12:16: 220 µS/cm5 Mar 2024, 10:50: 188 µS/cm
Every result (7)
SampledResult as publishedReads as
5 Mar 2024, 10:50188 188 µS/cm
2 Feb 2024, 12:16220 220 µS/cm
24 Jan 2024, 10:38219 219 µS/cm
18 Jan 2024, 12:47218 218 µS/cm
12 Dec 2023, 12:47213 213 µS/cm
6 Nov 2023, 12:15216 216 µS/cm
19 Oct 2023, 10:52219 219 µS/cm

Everything measured here

13 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 13 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 7 Oct 2023 – Mar 2024 96.1% 5 Mar 2024
Oxygen, Dissolved as O2 9924 River water 7 Oct 2023 – Mar 2024 11.7 mg/l 5 Mar 2024
Temperature of Water 0076 River water 7 Oct 2023 – Mar 2024 6.9 °C 5 Mar 2024
pH 0061 River water 7 Oct 2023 – Mar 2024 7.15 5 Mar 2024
Ammoniacal Nitrogen as N 0111 River water 7 Oct 2023 – Mar 2024 0.065 mg/l 5 Mar 2024
Nitrate as N 0117 River water 7 Oct 2023 – Mar 2024 1.1 mg/l 5 Mar 2024
Orthophosphate, reactive as P 0180 River water 7 Oct 2023 – Mar 2024 0.029 mg/l 5 Mar 2024
Conductivity at 25 C 0077 River water 7 Oct 2023 – Mar 2024 188 µS/cm 5 Mar 2024
Alkalinity to pH 4.5 as CaCO3 0162 River water 7 Oct 2023 – Mar 2024 43 mg/l 5 Mar 2024
Ammonia un-ionised as N 0119 River water 7 Oct 2023 – Mar 2024 0.00014 mg/l 5 Mar 2024
Nitrite as N 0118 River water 7 Oct 2023 – Mar 2024 0.0046 mg/l 5 Mar 2024
Nitrogen, Total Oxidised as N 0116 River water 7 Oct 2023 – Mar 2024 1.1 mg/l 5 Mar 2024
Solids, Suspended at 105 C 0135 River water 7 Oct 2023 – Mar 2024 7.2 mg/l 5 Mar 2024

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.