Synth Chem, A449 Road Bridge, downstream of HMIP
EA name: SYNTH CHEM, A449 RD BRIDGE, D/S HMIP (also listed as “SAREDON/WYRLEY/WASH BROOK - A449 ROAD BRIDGE, D/S HMIP (SYNTHETIC CHEMICALS)”)
Environment Agency sampling point MD-72770190 · 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
- 17 Aug 2026, 09:3645 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 25 since 16 Oct 2023 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 391174, 307774As published, to the nearest 1 m. Open in a map
- River, by its own name
- Saredon Wyrley Wash Brook
- River, by the map
- Saredon BrookPlaced on a river whose name partly matches its own, 2 m from the line.
- Next gauge downstream
- Penkridge On the River Penk · 12 km along the river
- Nearest gauge upstream
- Deepmore Farm On the Saredon Brook · 1.9 km along the river
- Why it was sampled
- Environmental monitoring statutory (EU directives) (19 samples)
Monitoring (national agency policy) (6 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
83.3%
Sampled 17 Aug 2026, 45 days ago · 25 results banked
Every result (25)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Aug 2026, 09:36 | 83.3 | 83.3% |
| 27 Jul 2026, 16:28 | 93.6 | 93.6% |
| 29 Jun 2026, 10:50 | 91.7 | 91.7% |
| 11 May 2026, 14:03 | 98.8 | 98.8% |
| 20 Apr 2026, 14:17 | 110.5 | 110.5% |
| 2 Mar 2026, 09:55 | 91.9 | 91.9% |
| 6 Feb 2026, 14:06 | 87.5 | 87.5% |
| 12 Jan 2026, 08:36 | 91.3 | 91.3% |
| 15 Dec 2025, 12:14 | 90.6 | 90.6% |
| 14 Feb 2025, 11:49 | 96.8 | 96.8% |
| 23 Jan 2025, 08:55 | 97.7 | 97.7% |
| 22 Nov 2024, 10:19 | 98.6 | 98.6% |
| 15 Oct 2024, 11:44 | 91.8 | 91.8% |
| 20 Sep 2024, 11:40 | 95.7 | 95.7% |
| 19 Aug 2024, 13:16 | 91 | 91% |
| 19 Jul 2024, 09:20 | 80.5 | 80.5% |
| 20 Jun 2024, 13:05 | 80.4 | 80.4% |
| 31 May 2024, 08:01 | 71 | 71% |
| 22 Apr 2024, 11:16 | 74.2 | 74.2% |
| 18 Mar 2024, 10:54 | 82.5 | 82.5% |
| 19 Feb 2024, 09:10 | 94 | 94% |
| 18 Jan 2024, 09:50 | 95 | 95% |
| 4 Dec 2023, 10:33 | 92 | 92% |
| 28 Nov 2023, 08:58 | 95 | 95% |
| 16 Oct 2023, 09:36 | 93 | 93% |
Dissolved oxygen
as O2 · code 9924 · mg/l
7.96 mg/l
Sampled 17 Aug 2026, 45 days ago · 25 results banked
Every result (25)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Aug 2026, 09:36 | 7.96 | 7.96 mg/l |
| 27 Jul 2026, 16:28 | 8.89 | 8.89 mg/l |
| 29 Jun 2026, 10:50 | 8.91 | 8.91 mg/l |
| 11 May 2026, 14:03 | 10.7 | 10.7 mg/l |
| 20 Apr 2026, 14:17 | 12.1 | 12.1 mg/l |
| 2 Mar 2026, 09:55 | 10.6 | 10.6 mg/l |
| 6 Feb 2026, 14:06 | 10.9 | 10.9 mg/l |
| 12 Jan 2026, 08:36 | 11.4 | 11.4 mg/l |
| 15 Dec 2025, 12:14 | 10.3 | 10.3 mg/l |
| 14 Feb 2025, 11:49 | 12.4 | 12.4 mg/l |
| 23 Jan 2025, 08:55 | 12.6 | 12.6 mg/l |
| 22 Nov 2024, 10:19 | 12.3 | 12.3 mg/l |
| 15 Oct 2024, 11:44 | 9.99 | 9.99 mg/l |
| 20 Sep 2024, 11:40 | 9.71 | 9.71 mg/l |
| 19 Aug 2024, 13:16 | 9.04 | 9.04 mg/l |
| 19 Jul 2024, 09:20 | 7.63 | 7.63 mg/l |
| 20 Jun 2024, 13:05 | 7.88 | 7.88 mg/l |
| 31 May 2024, 08:01 | 7.43 | 7.43 mg/l |
| 22 Apr 2024, 11:16 | 8.34 | 8.34 mg/l |
| 18 Mar 2024, 10:54 | 9.23 | 9.23 mg/l |
| 19 Feb 2024, 09:10 | 10.7 | 10.7 mg/l |
| 18 Jan 2024, 09:50 | 12.8 | 12.8 mg/l |
| 4 Dec 2023, 10:33 | 11.4 | 11.4 mg/l |
| 28 Nov 2023, 08:58 | 11.3 | 11.3 mg/l |
| 16 Oct 2023, 09:36 | 10.6 | 10.6 mg/l |
Water temperature
code 0076 · °C
17.4 °C
Sampled 17 Aug 2026, 45 days ago · 25 results banked
Every result (25)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Aug 2026, 09:36 | 17.4 | 17.4 °C |
| 27 Jul 2026, 16:28 | 17.7 | 17.7 °C |
| 29 Jun 2026, 10:50 | 16.6 | 16.6 °C |
| 11 May 2026, 14:03 | 11.7 | 11.7 °C |
| 20 Apr 2026, 14:17 | 11.3 | 11.3 °C |
| 2 Mar 2026, 09:55 | 9 | 9 °C |
| 6 Feb 2026, 14:06 | 6 | 6 °C |
| 12 Jan 2026, 08:36 | 5.8 | 5.8 °C |
| 15 Dec 2025, 12:14 | 9.6 | 9.6 °C |
| 14 Feb 2025, 11:49 | 4.9 | 4.9 °C |
| 23 Jan 2025, 08:55 | 4.6 | 4.6 °C |
| 22 Nov 2024, 10:19 | 6 | 6 °C |
| 15 Oct 2024, 11:44 | 11.5 | 11.5 °C |
| 20 Sep 2024, 11:40 | 14.6 | 14.6 °C |
| 19 Aug 2024, 13:16 | 15.6 | 15.6 °C |
| 19 Jul 2024, 09:20 | 17.8 | 17.8 °C |
| 20 Jun 2024, 13:05 | 16.2 | 16.2 °C |
| 31 May 2024, 08:01 | 13.2 | 13.2 °C |
| 22 Apr 2024, 11:16 | 10.1 | 10.1 °C |
| 18 Mar 2024, 10:54 | 10.3 | 10.3 °C |
| 19 Feb 2024, 09:10 | 9.4 | 9.4 °C |
| 18 Jan 2024, 09:50 | 2.9 | 2.9 °C |
| 4 Dec 2023, 10:33 | 6.2 | 6.2 °C |
| 28 Nov 2023, 08:58 | 7.9 | 7.9 °C |
| 16 Oct 2023, 09:36 | 9.7 | 9.7 °C |
pH
code 0061
8.03
Sampled 17 Aug 2026, 45 days ago · 25 results banked
Every result (25)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Aug 2026, 09:36 | 8.03 | 8.03 |
| 27 Jul 2026, 16:28 | 7.98 | 7.98 |
| 29 Jun 2026, 10:50 | 7.92 | 7.92 |
| 11 May 2026, 14:03 | 8.1 | 8.1 |
| 20 Apr 2026, 14:17 | 8.26 | 8.26 |
| 2 Mar 2026, 09:55 | 7.86 | 7.86 |
| 6 Feb 2026, 14:06 | 7.58 | 7.58 |
| 12 Jan 2026, 08:36 | 8.06 | 8.06 |
| 15 Dec 2025, 12:14 | 7.82 | 7.82 |
| 14 Feb 2025, 11:49 | 7.99 | 7.99 |
| 23 Jan 2025, 08:55 | 7.86 | 7.86 |
| 22 Nov 2024, 10:19 | 7.91 | 7.91 |
| 15 Oct 2024, 11:44 | 7.88 | 7.88 |
| 20 Sep 2024, 11:40 | 7.93 | 7.93 |
| 19 Aug 2024, 13:16 | 7.89 | 7.89 |
| 19 Jul 2024, 09:20 | 7.79 | 7.79 |
| 20 Jun 2024, 13:05 | 7.73 | 7.73 |
| 31 May 2024, 08:01 | 7.45 | 7.45 |
| 22 Apr 2024, 11:16 | 7.74 | 7.74 |
| 18 Mar 2024, 10:54 | 7.43 | 7.43 |
| 19 Feb 2024, 09:10 | 7.57 | 7.57 |
| 18 Jan 2024, 09:50 | 7.98 | 7.98 |
| 4 Dec 2023, 10:33 | 7.58 | 7.58 |
| 28 Nov 2023, 08:58 | 7.91 | 7.91 |
| 16 Oct 2023, 09:36 | 7.92 | 7.92 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
below 0.03 mg/l (not detected above this)
Sampled 17 Aug 2026, 45 days ago · 25 results banked
Every result (25)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Aug 2026, 09:36 | <0.03 | below 0.03 mg/l (not detected above this) |
| 27 Jul 2026, 16:28 | <0.03 | below 0.03 mg/l (not detected above this) |
| 29 Jun 2026, 10:50 | <0.03 | below 0.03 mg/l (not detected above this) |
| 11 May 2026, 14:03 | <0.03 | below 0.03 mg/l (not detected above this) |
| 20 Apr 2026, 14:17 | <0.03 | below 0.03 mg/l (not detected above this) |
| 2 Mar 2026, 09:55 | 0.036 | 0.036 mg/l |
| 6 Feb 2026, 14:06 | 0.71 | 0.71 mg/l |
| 12 Jan 2026, 08:36 | 0.27 | 0.27 mg/l |
| 15 Dec 2025, 12:14 | 0.11 | 0.11 mg/l |
| 14 Feb 2025, 11:49 | 0.063 | 0.063 mg/l |
| 23 Jan 2025, 08:55 | 0.09 | 0.09 mg/l |
| 22 Nov 2024, 10:19 | 0.082 | 0.082 mg/l |
| 15 Oct 2024, 11:44 | <0.03 | below 0.03 mg/l (not detected above this) |
| 20 Sep 2024, 11:40 | <0.03 | below 0.03 mg/l (not detected above this) |
| 19 Aug 2024, 13:16 | <0.03 | below 0.03 mg/l (not detected above this) |
| 19 Jul 2024, 09:20 | 0.031 | 0.031 mg/l |
| 20 Jun 2024, 13:05 | 0.13 | 0.13 mg/l |
| 31 May 2024, 08:01 | 0.3 | 0.3 mg/l |
| 22 Apr 2024, 11:16 | 0.27 | 0.27 mg/l |
| 18 Mar 2024, 10:54 | 1.1 | 1.1 mg/l |
| 19 Feb 2024, 09:10 | 1 | 1 mg/l |
| 18 Jan 2024, 09:50 | 0.44 | 0.44 mg/l |
| 4 Dec 2023, 10:33 | 0.18 | 0.18 mg/l |
| 28 Nov 2023, 08:58 | 0.09 | 0.09 mg/l |
| 16 Oct 2023, 09:36 | 0.054 | 0.054 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
7.19 mg/l
Sampled 17 Aug 2026, 45 days ago · 25 results banked
Every result (25)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Aug 2026, 09:36 | 7.19 | 7.19 mg/l |
| 27 Jul 2026, 16:28 | 12 | 12 mg/l |
| 29 Jun 2026, 10:50 | 8.79 | 8.79 mg/l |
| 11 May 2026, 14:03 | 7.88 | 7.88 mg/l |
| 20 Apr 2026, 14:17 | 6.79 | 6.79 mg/l |
| 2 Mar 2026, 09:55 | 4.48 | 4.48 mg/l |
| 6 Feb 2026, 14:06 | 2.95 | 2.95 mg/l |
| 12 Jan 2026, 08:36 | 3.73 | 3.73 mg/l |
| 15 Dec 2025, 12:14 | 6.52 | 6.52 mg/l |
| 14 Feb 2025, 11:49 | 6.85 | 6.85 mg/l |
| 23 Jan 2025, 08:55 | 7.82 | 7.82 mg/l |
| 22 Nov 2024, 10:19 | 5.06 | 5.06 mg/l |
| 15 Oct 2024, 11:44 | 5.09 | 5.09 mg/l |
| 20 Sep 2024, 11:40 | 7.89 | 7.89 mg/l |
| 19 Aug 2024, 13:16 | 8.09 | 8.09 mg/l |
| 19 Jul 2024, 09:20 | 8.35 | 8.35 mg/l |
| 20 Jun 2024, 13:05 | 7.65 | 7.65 mg/l |
| 31 May 2024, 08:01 | 7.96 | 7.96 mg/l |
| 22 Apr 2024, 11:16 | 8.52 | 8.52 mg/l |
| 18 Mar 2024, 10:54 | 4.69 | 4.69 mg/l |
| 19 Feb 2024, 09:10 | 3.81 | 3.81 mg/l |
| 18 Jan 2024, 09:50 | 6.07 | 6.07 mg/l |
| 4 Dec 2023, 10:33 | 3.65 | 3.65 mg/l |
| 28 Nov 2023, 08:58 | 4.16 | 4.16 mg/l |
| 16 Oct 2023, 09:36 | 5.38 | 5.38 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.18 mg/l
Sampled 17 Aug 2026, 45 days ago · 25 results banked
Every result (25)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Aug 2026, 09:36 | 0.18 | 0.18 mg/l |
| 27 Jul 2026, 16:28 | 0.19 | 0.19 mg/l |
| 29 Jun 2026, 10:50 | 0.16 | 0.16 mg/l |
| 11 May 2026, 14:03 | 0.073 | 0.073 mg/l |
| 20 Apr 2026, 14:17 | 0.056 | 0.056 mg/l |
| 2 Mar 2026, 09:55 | 0.063 | 0.063 mg/l |
| 6 Feb 2026, 14:06 | 0.18 | 0.18 mg/l |
| 12 Jan 2026, 08:36 | 0.097 | 0.097 mg/l |
| 15 Dec 2025, 12:14 | 0.066 | 0.066 mg/l |
| 14 Feb 2025, 11:49 | 0.078 | 0.078 mg/l |
| 23 Jan 2025, 08:55 | 0.062 | 0.062 mg/l |
| 22 Nov 2024, 10:19 | 0.077 | 0.077 mg/l |
| 15 Oct 2024, 11:44 | 0.077 | 0.077 mg/l |
| 20 Sep 2024, 11:40 | 0.11 | 0.11 mg/l |
| 19 Aug 2024, 13:16 | 0.13 | 0.13 mg/l |
| 19 Jul 2024, 09:20 | 0.11 | 0.11 mg/l |
| 20 Jun 2024, 13:05 | 0.11 | 0.11 mg/l |
| 31 May 2024, 08:01 | 0.13 | 0.13 mg/l |
| 22 Apr 2024, 11:16 | 0.053 | 0.053 mg/l |
| 18 Mar 2024, 10:54 | 0.06 | 0.06 mg/l |
| 19 Feb 2024, 09:10 | 0.082 | 0.082 mg/l |
| 18 Jan 2024, 09:50 | 0.073 | 0.073 mg/l |
| 4 Dec 2023, 10:33 | 0.14 | 0.14 mg/l |
| 28 Nov 2023, 08:58 | 0.079 | 0.079 mg/l |
| 16 Oct 2023, 09:36 | 0.078 | 0.078 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
1295 µS/cm
Sampled 17 Aug 2026, 45 days ago · 25 results banked
Every result (25)
| Sampled | Result as published | Reads as |
|---|---|---|
| 17 Aug 2026, 09:36 | 1295 | 1295 µS/cm |
| 27 Jul 2026, 16:28 | 1336 | 1336 µS/cm |
| 29 Jun 2026, 10:50 | 1186 | 1186 µS/cm |
| 11 May 2026, 14:03 | 1129 | 1129 µS/cm |
| 20 Apr 2026, 14:17 | 1139 | 1139 µS/cm |
| 2 Mar 2026, 09:55 | 704 | 704 µS/cm |
| 6 Feb 2026, 14:06 | 427 | 427 µS/cm |
| 12 Jan 2026, 08:36 | 811 | 811 µS/cm |
| 15 Dec 2025, 12:14 | 969 | 969 µS/cm |
| 14 Feb 2025, 11:49 | 1004 | 1004 µS/cm |
| 23 Jan 2025, 08:55 | 832 | 832 µS/cm |
| 22 Nov 2024, 10:19 | 1131 | 1131 µS/cm |
| 15 Oct 2024, 11:44 | 854 | 854 µS/cm |
| 20 Sep 2024, 11:40 | 1411 | 1411 µS/cm |
| 19 Aug 2024, 13:16 | 1101 | 1101 µS/cm |
| 19 Jul 2024, 09:20 | 1017 | 1017 µS/cm |
| 20 Jun 2024, 13:05 | 1148 | 1148 µS/cm |
| 31 May 2024, 08:01 | 1081 | 1081 µS/cm |
| 22 Apr 2024, 11:16 | 1116 | 1116 µS/cm |
| 18 Mar 2024, 10:54 | 864 | 864 µS/cm |
| 19 Feb 2024, 09:10 | 689 | 689 µS/cm |
| 18 Jan 2024, 09:50 | 1258 | 1258 µS/cm |
| 4 Dec 2023, 10:33 | 876 | 876 µS/cm |
| 28 Nov 2023, 08:58 | 886 | 886 µS/cm |
| 16 Oct 2023, 09:36 | 1071 | 1071 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
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 25 | Oct 2023 – Aug 2026 | 83.3% 17 Aug 2026 |
| Oxygen, Dissolved as O2 9924 | River water | 25 | Oct 2023 – Aug 2026 | 7.96 mg/l 17 Aug 2026 |
| Temperature of Water 0076 | River water | 25 | Oct 2023 – Aug 2026 | 17.4 °C 17 Aug 2026 |
| pH 0061 | River water | 25 | Oct 2023 – Aug 2026 | 8.03 17 Aug 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 25 | Oct 2023 – Aug 2026 | below 0.03 mg/l 17 Aug 2026 |
| Nitrate as N 0117 | River water | 25 | Oct 2023 – Aug 2026 | 7.19 mg/l 17 Aug 2026 |
| Orthophosphate, reactive as P 0180 | River water | 25 | Oct 2023 – Aug 2026 | 0.18 mg/l 17 Aug 2026 |
| Conductivity at 25 C 0077 | River water | 25 | Oct 2023 – Aug 2026 | 1295 µS/cm 17 Aug 2026 |
| Alkalinity to pH 4.5 as CaCO3 0162 | River water | 25 | Oct 2023 – Aug 2026 | 180 mg/l 17 Aug 2026 |
| Ammonia un-ionised as N 0119 | River water | 25 | Oct 2023 – Aug 2026 | below 0.00094 mg/l 17 Aug 2026 |
| BOD : 5 Day ATU 0085 | River water | 16 | Feb 2024 – May 2026 | below 3 mg/l 11 May 2026 |
| Nitrite as N 0118 | River water | 25 | Oct 2023 – Aug 2026 | 0.0065 mg/l 17 Aug 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 25 | Oct 2023 – Aug 2026 | 7.2 mg/l 17 Aug 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.