River Severn (Upper) Kempsey (Mid)
EA name: R SEVERN (UPPER) KEMPSEY (MID) (also listed as “RIVER SEVERN (UPPER) KEMPSEY (MID)”)
Environment Agency sampling point MD-00029500 · 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
- 15 Oct 2024, 09:442 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 28 Oct 2026 and had nothing newer.
- Samples banked
- 3 since 8 Apr 2024 Imported periods: 1 Oct 2023 – 28 Oct 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Monitoring (national agency policy)
- Where
- National Grid 384690, 249280As published, to the nearest 10 m. Open in a map
- River, by its own name
- Severn
- River, by the map
- Afon HafrenPlaced on the river its name gives, 24 m from the line.
- Next gauge downstream
- Saxons Lode On the River Severn · 14 km along the river
- Nearest gauge upstream
- Kempsey Yacht Club On the River Severn · 1.9 km along the river
- Why it was sampled
- Monitoring (national agency policy) (3 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
92.6%
Sampled 15 Oct 2024, 2 years ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Oct 2024, 09:44 | 92.6 | 92.6% |
| 16 Sep 2024, 11:04 | 95.5 | 95.5% |
Dissolved oxygen
as O2 · code 9924 · mg/l
10.3 mg/l
Sampled 15 Oct 2024, 2 years ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Oct 2024, 09:44 | 10.3 | 10.3 mg/l |
| 16 Sep 2024, 11:04 | 9.86 | 9.86 mg/l |
Water temperature
code 0076 · °C
10.4 °C
Sampled 15 Oct 2024, 2 years ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Oct 2024, 09:44 | 10.4 | 10.4 °C |
| 16 Sep 2024, 11:04 | 13.8 | 13.8 °C |
pH
code 0061
7.6
Sampled 15 Oct 2024, 2 years ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Oct 2024, 09:44 | 7.6 | 7.6 |
| 16 Sep 2024, 11:04 | 7.94 | 7.94 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
0.038 mg/l
Sampled 15 Oct 2024, 2 years ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Oct 2024, 09:44 | 0.038 | 0.038 mg/l |
| 16 Sep 2024, 11:04 | 0.041 | 0.041 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
3.99 mg/l
Sampled 15 Oct 2024, 2 years ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Oct 2024, 09:44 | 3.99 | 3.99 mg/l |
| 16 Sep 2024, 11:04 | 4.39 | 4.39 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.11 mg/l
Sampled 15 Oct 2024, 2 years ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Oct 2024, 09:44 | 0.11 | 0.11 mg/l |
| 16 Sep 2024, 11:04 | 0.15 | 0.15 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
424 µS/cm
Sampled 15 Oct 2024, 2 years ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 15 Oct 2024, 09:44 | 424 | 424 µS/cm |
| 16 Sep 2024, 11:04 | 452 | 452 µS/cm |
Everything measured here
60 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 60 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 2 | Sep 2024 – Oct 2024 | 92.6% 15 Oct 2024 |
| Oxygen, Dissolved as O2 9924 | River water | 2 | Sep 2024 – Oct 2024 | 10.3 mg/l 15 Oct 2024 |
| Temperature of Water 0076 | River water | 2 | Sep 2024 – Oct 2024 | 10.4 °C 15 Oct 2024 |
| pH 0061 | River water | 2 | Sep 2024 – Oct 2024 | 7.6 15 Oct 2024 |
| Ammoniacal Nitrogen as N 0111 | River water | 2 | Sep 2024 – Oct 2024 | 0.038 mg/l 15 Oct 2024 |
| Nitrate as N 0117 | River water | 2 | Sep 2024 – Oct 2024 | 3.99 mg/l 15 Oct 2024 |
| Orthophosphate, reactive as P 0180 | River water | 2 | Sep 2024 – Oct 2024 | 0.11 mg/l 15 Oct 2024 |
| Conductivity at 25 C 0077 | River water | 2 | Sep 2024 – Oct 2024 | 424 µS/cm 15 Oct 2024 |
| 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 | River water | 1 | Apr 2024 – Apr 2024 | below 0.001 µg/l 8 Apr 2024 |
| 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 | River water | 1 | Apr 2024 – Apr 2024 | below 0.001 µg/l 8 Apr 2024 |
| 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 | River water | 1 | Apr 2024 – Apr 2024 | below 0.001 µg/l 8 Apr 2024 |
| 2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 | River water | 1 | Apr 2024 – Apr 2024 | below 0.002 µg/l 8 Apr 2024 |
| 2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| 2H,2H,3H,3H-Perfluorooctanoic acid 2989 | River water | 1 | Apr 2024 – Apr 2024 | below 0.001 µg/l 8 Apr 2024 |
| 3-Perfluoroheptylpropanoic acid 2925 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| 3:3 Fluorotelomer carboxylic acid 2926 | River water | 1 | Apr 2024 – Apr 2024 | below 0.004 µg/l 8 Apr 2024 |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 | River water | 1 | Apr 2024 – Apr 2024 | below 0.005 µg/l 8 Apr 2024 |
| 4:2 Fluorotelomer sulfonic acid 2987 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| 6:2 Fluorotelomer sulfonic acid 2984 | River water | 1 | Apr 2024 – Apr 2024 | below 0.001 µg/l 8 Apr 2024 |
| 8:2 Fluorotelomer sulfonic acid 2983 | River water | 1 | Apr 2024 – Apr 2024 | below 0.001 µg/l 8 Apr 2024 |
| 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 2 | Sep 2024 – Oct 2024 | 120 mg/l 15 Oct 2024 |
| Ammonia un-ionised as N 0119 | River water | 2 | Sep 2024 – Oct 2024 | 0.00029 mg/l 15 Oct 2024 |
| BOD : 5 Day ATU 0085 | River water | 2 | Sep 2024 – Oct 2024 | 1.2 mg/l 15 Oct 2024 |
| Hexafluoropropylene oxide dimer acid (Gen X) 2981 | River water | 1 | Apr 2024 – Apr 2024 | below 0.001 µg/l 8 Apr 2024 |
| N-Ethylperfluorooctanesulfonamide 2977 | River water | 1 | Apr 2024 – Apr 2024 | below 0.002 µg/l 8 Apr 2024 |
| N-methylperfluorooctanesulfonamide 2975 | River water | 1 | Apr 2024 – Apr 2024 | below 0.002 µg/l 8 Apr 2024 |
| Nitrite as N 0118 | River water | 2 | Sep 2024 – Oct 2024 | 0.015 mg/l 15 Oct 2024 |
| Nitrogen, Total Oxidised as N 0116 | River water | 2 | Sep 2024 – Oct 2024 | 4 mg/l 15 Oct 2024 |
| Perfluoro(2-ethoxyethane)sulfonic acid 2924 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluoro(4-methoxybutanoic) acid 2923 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluoro-3,6-dioxaheptanoic acid 2922 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluoro-3-methoxypropanoic acid 2921 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluoro-4-ethylcyclohexanesulfonic acid 2973 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluorobutanesulfonic acid 2972 | River water | 1 | Apr 2024 – Apr 2024 | below 0.001 µg/l 8 Apr 2024 |
| Perfluorobutanoic acid 2995 | River water | 1 | Apr 2024 – Apr 2024 | 0.0025 µg/l 8 Apr 2024 |
| Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluorodecanesulfonic acid 2969 | River water | 1 | Apr 2024 – Apr 2024 | below 0.002 µg/l 8 Apr 2024 |
| Perfluorodecanoic acid 8892 | River water | 1 | Apr 2024 – Apr 2024 | below 0.002 µg/l 8 Apr 2024 |
| Perfluorododecane sulfonic acid 2968 | River water | 1 | Apr 2024 – Apr 2024 | below 0.005 µg/l 8 Apr 2024 |
| Perfluorododecanoic acid 8894 | River water | 1 | Apr 2024 – Apr 2024 | below 0.002 µg/l 8 Apr 2024 |
| Perfluoroheptanesulfonic acid 2967 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluoroheptanoic acid 8889 | River water | 1 | Apr 2024 – Apr 2024 | below 0.001 µg/l 8 Apr 2024 |
| Perfluorohexanesulfonamide 2965 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluorohexanesulfonic acid (B) 2944 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluorohexanesulfonic acid (L) 2964 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluorohexanoic acid 8888 | River water | 1 | Apr 2024 – Apr 2024 | 0.0012 µg/l 8 Apr 2024 |
| Perfluorononanesulfonic acid 2963 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluorononanoic acid 8891 | River water | 1 | Apr 2024 – Apr 2024 | below 0.001 µg/l 8 Apr 2024 |
| Perfluorooctadecanoic acid 2962 | River water | 1 | Apr 2024 – Apr 2024 | below 0.002 µg/l 8 Apr 2024 |
| Perfluorooctanesulfonamide 2961 | River water | 1 | Apr 2024 – Apr 2024 | below 0.001 µg/l 8 Apr 2024 |
| Perfluorooctanesulfonic acid (branched) 2960 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluorooctanesulfonic acid (linear) 2959 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluorooctanoic acid 8890 | River water | 1 | Apr 2024 – Apr 2024 | 0.001 µg/l 8 Apr 2024 |
| Perfluoropentanesulfonic acid 2957 | River water | 1 | Apr 2024 – Apr 2024 | below 0.0005 µg/l 8 Apr 2024 |
| Perfluoropentanoic acid 8887 | River water | 1 | Apr 2024 – Apr 2024 | below 0.001 µg/l 8 Apr 2024 |
| Perfluorotetradecanoic acid 8895 | River water | 1 | Apr 2024 – Apr 2024 | below 0.006 µg/l 8 Apr 2024 |
| Perfluorotridecanoic acid 2955 | River water | 1 | Apr 2024 – Apr 2024 | below 0.005 µg/l 8 Apr 2024 |
| Perfluoroundecane sulfonic acid 2953 | River water | 1 | Apr 2024 – Apr 2024 | below 0.004 µg/l 8 Apr 2024 |
| Perfluoroundecanoic acid 8893 | River water | 1 | Apr 2024 – Apr 2024 | below 0.002 µg/l 8 Apr 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.