Aylesford Brook tributary, at Wortherton

EA name: AYLESFORD BROOK TRIB, AT WORTHERTON (also listed as “SSN1356 AYLESFORD BROOK TRIB, AT WORTHERTON”)
Environment Agency sampling point MD-SSN1356 · 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
25 Sep 2024, 09:592 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
7 since 5 Feb 2024 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 328499, 301577As published, to the nearest 1 m. Open in a map
River, by its own name
tributary of Aylesford Brook
River, by the map
Aylesford BrookOn an unmapped tributary: placed where it joins the river its name gives, 124 m from the line.
Next gauge downstream
Pont-Y-Gaer River Station On the Camlad · 12 km along the river
Why it was sampled
Monitoring (national agency policy) (7 samples)

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

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

92.7%

Sampled 21 Jun 2024, 2.3 years ago · 3 results banked

8688909294%202420252026no sample published after Jun 20245 Feb 2024, 10:43: 89.6%9 Apr 2024, 10:00: 87%21 Jun 2024, 10:42: 92.7%
Every result (3)
SampledResult as publishedReads as
21 Jun 2024, 10:4292.7 92.7%
9 Apr 2024, 10:0087 87%
5 Feb 2024, 10:4389.6 89.6%

Dissolved oxygen

as O2 · code 9924 · mg/l

9.63 mg/l

Sampled 21 Jun 2024, 2.3 years ago · 3 results banked

9.59.751010.2510.510.75mg/l202420252026no sample published after Jun 20245 Feb 2024, 10:43: 10.6 mg/l9 Apr 2024, 10:00: 10.2 mg/l21 Jun 2024, 10:42: 9.63 mg/l
Every result (3)
SampledResult as publishedReads as
21 Jun 2024, 10:429.63 9.63 mg/l
9 Apr 2024, 10:0010.2 10.2 mg/l
5 Feb 2024, 10:4310.6 10.6 mg/l

Water temperature

code 0076 · °C

13.5 °C

Sampled 21 Jun 2024, 2.3 years ago · 3 results banked

8101214°C202420252026no sample published after Jun 20245 Feb 2024, 10:43: 8 °C9 Apr 2024, 10:00: 8.2 °C21 Jun 2024, 10:42: 13.5 °C
Every result (3)
SampledResult as publishedReads as
21 Jun 2024, 10:4213.5 13.5 °C
9 Apr 2024, 10:008.2 8.2 °C
5 Feb 2024, 10:438 8 °C

pH

code 0061

7.57

Sampled 21 Jun 2024, 2.3 years ago · 3 results banked

7.17.27.37.47.57.6202420252026no sample published after Jun 20245 Feb 2024, 10:43: 7.199 Apr 2024, 10:00: 7.2621 Jun 2024, 10:42: 7.57
Every result (3)
SampledResult as publishedReads as
21 Jun 2024, 10:427.57 7.57
9 Apr 2024, 10:007.26 7.26
5 Feb 2024, 10:437.19 7.19

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.069 mg/l

Sampled 21 Jun 2024, 2.3 years ago · 3 results banked

00.10.20.30.4mg/l202420252026no sample published after Jun 20245 Feb 2024, 10:43: 0.083 mg/l9 Apr 2024, 10:00: 0.31 mg/l21 Jun 2024, 10:42: 0.069 mg/l
Every result (3)
SampledResult as publishedReads as
21 Jun 2024, 10:420.069 0.069 mg/l
9 Apr 2024, 10:000.31 0.31 mg/l
5 Feb 2024, 10:430.083 0.083 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

1.17 mg/l

Sampled 21 Jun 2024, 2.3 years ago · 3 results banked

11.251.51.7522.25mg/l202420252026no sample published after Jun 20245 Feb 2024, 10:43: 2.17 mg/l9 Apr 2024, 10:00: 1.87 mg/l21 Jun 2024, 10:42: 1.17 mg/l
Every result (3)
SampledResult as publishedReads as
21 Jun 2024, 10:421.17 1.17 mg/l
9 Apr 2024, 10:001.87 1.87 mg/l
5 Feb 2024, 10:432.17 2.17 mg/l

Phosphate

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

0.12 mg/l

Sampled 21 Jun 2024, 2.3 years ago · 3 results banked

0.10.1250.150.1750.2mg/l202420252026no sample published after Jun 20245 Feb 2024, 10:43: 0.2 mg/l9 Apr 2024, 10:00: 0.16 mg/l21 Jun 2024, 10:42: 0.12 mg/l
Every result (3)
SampledResult as publishedReads as
21 Jun 2024, 10:420.12 0.12 mg/l
9 Apr 2024, 10:000.16 0.16 mg/l
5 Feb 2024, 10:430.2 0.2 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

301 µS/cm

Sampled 21 Jun 2024, 2.3 years ago · 3 results banked

220240260280300320µS/cm202420252026no sample published after Jun 20245 Feb 2024, 10:43: 252 µS/cm9 Apr 2024, 10:00: 229 µS/cm21 Jun 2024, 10:42: 301 µS/cm
Every result (3)
SampledResult as publishedReads as
21 Jun 2024, 10:42301 301 µS/cm
9 Apr 2024, 10:00229 229 µS/cm
5 Feb 2024, 10:43252 252 µS/cm

Everything measured here

19 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 19 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 3 Feb 2024 – Jun 2024 92.7% 21 Jun 2024
Oxygen, Dissolved as O2 9924 River water 3 Feb 2024 – Jun 2024 9.63 mg/l 21 Jun 2024
Temperature of Water 0076 River water 3 Feb 2024 – Jun 2024 13.5 °C 21 Jun 2024
pH 0061 River water 3 Feb 2024 – Jun 2024 7.57 21 Jun 2024
Ammoniacal Nitrogen as N 0111 River water 3 Feb 2024 – Jun 2024 0.069 mg/l 21 Jun 2024
Nitrate as N 0117 River water 3 Feb 2024 – Jun 2024 1.17 mg/l 21 Jun 2024
Orthophosphate, reactive as P 0180 River water 3 Feb 2024 – Jun 2024 0.12 mg/l 21 Jun 2024
Conductivity at 25 C 0077 River water 3 Feb 2024 – Jun 2024 301 µS/cm 21 Jun 2024
Alkalinity to pH 4.5 as CaCO3 0162 River water 3 Feb 2024 – Jun 2024 87 mg/l 21 Jun 2024
Ammonia un-ionised as N 0119 River water 3 Feb 2024 – Jun 2024 0.00061 mg/l 21 Jun 2024
Chloride 0172 River water 3 Feb 2024 – Jun 2024 19 mg/l 21 Jun 2024
Flow Type 2896 River water 4 Feb 2024 – Sep 2024 Dry 25 Sep 2024
Nitrite as N 0118 River water 3 Feb 2024 – Jun 2024 0.029 mg/l 21 Jun 2024
Nitrogen, Total as N 9686 River water 3 Feb 2024 – Jun 2024 1.8 mg/l 21 Jun 2024
Nitrogen, Total Oxidised as N 0116 River water 3 Feb 2024 – Jun 2024 1.2 mg/l 21 Jun 2024
No flow /No sample 7668 River water 4 Jul 2024 – Sep 2024 No flow/discharge at sampling point 25 Sep 2024
Phosphorus, Total as P 0348 River water 3 Feb 2024 – Jun 2024 0.15 mg/l 21 Jun 2024
Silica, reactive as SiO2 0182 River water 3 Feb 2024 – Jun 2024 9.8 mg/l 21 Jun 2024
Solids, Suspended at 105 C 0135 River water 3 Feb 2024 – Jun 2024 13 mg/l 21 Jun 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.