River Quarme at Ison Cleeve
EA name: R. QUARME @ ISON CLEEVE (also listed as “RSN0167 RIVER QUARME AT ISON CLEEVE, WHEDDON CROSS (UPPER EXE)”)
Environment Agency sampling point SW-RSN0167 · 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 Dec 2023, 09:442.8 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 30 Sep 2026 and had nothing newer.
- Samples banked
- 3 since 3 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 291535, 136923As published, to the nearest 1 m. Open in a map
- River, by its own name
- Quarme
- River, by the map
- River QuarmePlaced on the river its name gives, 1 m from the line.
- Next gauge downstream
- Pixton On the River Exe · 14 km along the river
- Why it was sampled
- Monitoring (national agency policy) (3 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
98.3%
Sampled 8 Dec 2023, 2.8 years ago · 3 results banked
Every result (3)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Dec 2023, 09:44 | 98.3 | 98.3% |
| 7 Nov 2023, 14:11 | 99.4 | 99.4% |
| 3 Oct 2023, 09:20 | 97.5 | 97.5% |
Dissolved oxygen
as O2 · code 9924 · mg/l
11.5 mg/l
Sampled 8 Dec 2023, 2.8 years ago · 3 results banked
Every result (3)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Dec 2023, 09:44 | 11.5 | 11.5 mg/l |
| 7 Nov 2023, 14:11 | 11.1 | 11.1 mg/l |
| 3 Oct 2023, 09:20 | 10.5 | 10.5 mg/l |
Water temperature
code 0076 · °C
8.4 °C
Sampled 8 Dec 2023, 2.8 years ago · 3 results banked
Every result (3)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Dec 2023, 09:44 | 8.4 | 8.4 °C |
| 7 Nov 2023, 14:11 | 10.2 | 10.2 °C |
| 3 Oct 2023, 09:20 | 12.1 | 12.1 °C |
pH
code 0061
7.46
Sampled 8 Dec 2023, 2.8 years ago · 3 results banked
Every result (3)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Dec 2023, 09:44 | 7.46 | 7.46 |
| 7 Nov 2023, 14:11 | 7.33 | 7.33 |
| 3 Oct 2023, 09:20 | 7.49 | 7.49 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
0.0076 mg/l
Sampled 8 Dec 2023, 2.8 years ago · 3 results banked
Every result (3)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Dec 2023, 09:44 | 0.0076 | 0.0076 mg/l |
| 7 Nov 2023, 14:11 | 0.013 | 0.013 mg/l |
| 3 Oct 2023, 09:20 | 0.015 | 0.015 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
0.729 mg/l
Sampled 8 Dec 2023, 2.8 years ago · 3 results banked
Every result (3)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Dec 2023, 09:44 | 0.729 | 0.729 mg/l |
| 7 Nov 2023, 14:11 | 0.709 | 0.709 mg/l |
| 3 Oct 2023, 09:20 | 0.619 | 0.619 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.0071 mg/l
Sampled 8 Dec 2023, 2.8 years ago · 3 results banked
Every result (3)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Dec 2023, 09:44 | 0.0071 | 0.0071 mg/l |
| 7 Nov 2023, 14:11 | 0.0029 | 0.0029 mg/l |
| 3 Oct 2023, 09:20 | 0.0025 | 0.0025 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
128 µS/cm
Sampled 8 Dec 2023, 2.8 years ago · 3 results banked
Every result (3)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Dec 2023, 09:44 | 128 | 128 µS/cm |
| 7 Nov 2023, 14:11 | 117 | 117 µS/cm |
| 3 Oct 2023, 09:20 | 135 | 135 µS/cm |
Everything measured here
16 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 16 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 3 | Oct 2023 – Dec 2023 | 98.3% 8 Dec 2023 |
| Oxygen, Dissolved as O2 9924 | River water | 3 | Oct 2023 – Dec 2023 | 11.5 mg/l 8 Dec 2023 |
| Temperature of Water 0076 | River water | 3 | Oct 2023 – Dec 2023 | 8.4 °C 8 Dec 2023 |
| pH 0061 | River water | 3 | Oct 2023 – Dec 2023 | 7.46 8 Dec 2023 |
| Ammoniacal Nitrogen as N 0111 | River water | 3 | Oct 2023 – Dec 2023 | 0.0076 mg/l 8 Dec 2023 |
| Nitrate as N 0117 | River water | 3 | Oct 2023 – Dec 2023 | 0.729 mg/l 8 Dec 2023 |
| Orthophosphate, reactive as P 0180 | River water | 3 | Oct 2023 – Dec 2023 | 0.0071 mg/l 8 Dec 2023 |
| Conductivity at 25 C 0077 | River water | 3 | Oct 2023 – Dec 2023 | 128 µS/cm 8 Dec 2023 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 3 | Oct 2023 – Dec 2023 | 42 mg/l 8 Dec 2023 |
| Ammonia un-ionised as N 0119 | River water | 3 | Oct 2023 – Dec 2023 | 0.00004 mg/l 8 Dec 2023 |
| Carbon, Organic, Dissolved as C :- {DOC} 0301 | River water | 3 | Oct 2023 – Dec 2023 | 1.7 mg/l 8 Dec 2023 |
| Chloride 0172 | River water | 3 | Oct 2023 – Dec 2023 | 9.5 mg/l 8 Dec 2023 |
| Nitrite as N 0118 | River water | 3 | Oct 2023 – Dec 2023 | below 0.001 mg/l 8 Dec 2023 |
| Nitrogen, Total Oxidised as N 0116 | River water | 3 | Oct 2023 – Dec 2023 | 0.73 mg/l 8 Dec 2023 |
| Phosphorus, Total as P 0348 | River water | 3 | Oct 2023 – Dec 2023 | 0.011 mg/l 8 Dec 2023 |
| Silica, reactive as SiO2 0182 | River water | 3 | Oct 2023 – Dec 2023 | 3.9 mg/l 8 Dec 2023 |
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.