Ten Mile River Ten Mile Bank Bridge Hilgay

EA name: TEN MILE R. TEN MILE BANK BRIDGE HILGAY
Environment Agency sampling point AN-47M01 · 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
1 Oct 2026, 08:3523 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
7 since 10 Apr 2026 Imported periods: 1 Oct 2023 – 24 Oct 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Planned investigation (local monitoring) · results completed 8 Oct 2026
Where
National Grid 560401, 297011As published, to the nearest 1 m. Open in a map
River, by its own name
Its name does not give one
River, by the map
River Great OusePlaced by position alone, on a line whose map name differs from its own, 4 m from the line.
Next gauge downstream
Freebridge On the River Great Ouse · 23 km along the river
Nearest gauge upstream
Ely On the River Great Ouse · 19 km along the riverLittle Ouse On the River Little Ouse · 22 km along the riverIsleham On the River Lark · 27 km along the river
Why it was sampled
Planned investigation (local monitoring) (7 samples)

Results here were completed a median of 18 days after the sample was taken (7 to 33 days, 5 samples).

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

75.8%

Sampled 1 Oct 2026, 23 days ago · 7 results banked

50100150200%20242025202610 Apr 2026, 09:39: 101.6%18 May 2026, 16:25: 174.5%19 Jun 2026, 14:22: 144.2%16 Jul 2026, 11:15: 80.3%17 Aug 2026, 13:01: 104.1%17 Sep 2026, 13:33: 69.6%1 Oct 2026, 08:35: 75.8%
Every result (7)
SampledResult as publishedReads as
1 Oct 2026, 08:3575.8 75.8%
17 Sep 2026, 13:3369.6 69.6%
17 Aug 2026, 13:01104.1 104.1%
16 Jul 2026, 11:1580.3 80.3%
19 Jun 2026, 14:22144.2 144.2%
18 May 2026, 16:25174.5 174.5%
10 Apr 2026, 09:39101.6 101.6%

Dissolved oxygen

as O2 · code 9924 · mg/l

7.36 mg/l

Sampled 1 Oct 2026, 23 days ago · 7 results banked

5101520mg/l20242025202610 Apr 2026, 09:39: 10.9 mg/l18 May 2026, 16:25: 17.8 mg/l19 Jun 2026, 14:22: 12.5 mg/l16 Jul 2026, 11:15: 6.85 mg/l17 Aug 2026, 13:01: 8.89 mg/l17 Sep 2026, 13:33: 6.54 mg/l1 Oct 2026, 08:35: 7.36 mg/l
Every result (7)
SampledResult as publishedReads as
1 Oct 2026, 08:357.36 7.36 mg/l
17 Sep 2026, 13:336.54 6.54 mg/l
17 Aug 2026, 13:018.89 8.89 mg/l
16 Jul 2026, 11:156.85 6.85 mg/l
19 Jun 2026, 14:2212.5 12.5 mg/l
18 May 2026, 16:2517.8 17.8 mg/l
10 Apr 2026, 09:3910.9 10.9 mg/l

Water temperature

code 0076 · °C

16.6 °C

Sampled 1 Oct 2026, 23 days ago · 7 results banked

10152025°C20242025202610 Apr 2026, 09:39: 12.1 °C18 May 2026, 16:25: 14.2 °C19 Jun 2026, 14:22: 22.1 °C16 Jul 2026, 11:15: 23.1 °C17 Aug 2026, 13:01: 23.1 °C17 Sep 2026, 13:33: 18.2 °C1 Oct 2026, 08:35: 16.6 °C
Every result (7)
SampledResult as publishedReads as
1 Oct 2026, 08:3516.6 16.6 °C
17 Sep 2026, 13:3318.2 18.2 °C
17 Aug 2026, 13:0123.1 23.1 °C
16 Jul 2026, 11:1523.1 23.1 °C
19 Jun 2026, 14:2222.1 22.1 °C
18 May 2026, 16:2514.2 14.2 °C
10 Apr 2026, 09:3912.1 12.1 °C

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.075 mg/l

Sampled 1 Oct 2026, 23 days ago · 7 results banked

0.0250.050.0750.10.1250.15mg/l20242025202610 Apr 2026, 09:39: below 0.03 mg/l (not detected above this)18 May 2026, 16:25: below 0.03 mg/l (not detected above this)19 Jun 2026, 14:22: below 0.03 mg/l (not detected above this)16 Jul 2026, 11:15: 0.13 mg/l17 Aug 2026, 13:01: 0.033 mg/l17 Sep 2026, 13:33: 0.052 mg/l1 Oct 2026, 08:35: 0.075 mg/l
Every result (7)
SampledResult as publishedReads as
1 Oct 2026, 08:350.075 0.075 mg/l
17 Sep 2026, 13:330.052 0.052 mg/l
17 Aug 2026, 13:010.033 0.033 mg/l
16 Jul 2026, 11:150.13 0.13 mg/l
19 Jun 2026, 14:22<0.03 below 0.03 mg/l (not detected above this)
18 May 2026, 16:25<0.03 below 0.03 mg/l (not detected above this)
10 Apr 2026, 09:39<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

6.52 mg/l

Sampled 1 Oct 2026, 23 days ago · 7 results banked

246810mg/l20242025202610 Apr 2026, 09:39: 9.97 mg/l18 May 2026, 16:25: 8.86 mg/l19 Jun 2026, 14:22: 7.75 mg/l16 Jul 2026, 11:15: 4 mg/l17 Aug 2026, 13:01: 2.08 mg/l17 Sep 2026, 13:33: 7.17 mg/l1 Oct 2026, 08:35: 6.52 mg/l
Every result (7)
SampledResult as publishedReads as
1 Oct 2026, 08:356.52 6.52 mg/l
17 Sep 2026, 13:337.17 7.17 mg/l
17 Aug 2026, 13:012.08 2.08 mg/l
16 Jul 2026, 11:154 4 mg/l
19 Jun 2026, 14:227.75 7.75 mg/l
18 May 2026, 16:258.86 8.86 mg/l
10 Apr 2026, 09:399.97 9.97 mg/l

Phosphate

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

0.11 mg/l

Sampled 1 Oct 2026, 23 days ago · 7 results banked

00.050.10.15mg/l20242025202610 Apr 2026, 09:39: 0.063 mg/l18 May 2026, 16:25: below 0.01 mg/l (not detected above this)19 Jun 2026, 14:22: 0.12 mg/l16 Jul 2026, 11:15: 0.017 mg/l17 Aug 2026, 13:01: 0.021 mg/l17 Sep 2026, 13:33: 0.13 mg/l1 Oct 2026, 08:35: 0.11 mg/l
Every result (7)
SampledResult as publishedReads as
1 Oct 2026, 08:350.11 0.11 mg/l
17 Sep 2026, 13:330.13 0.13 mg/l
17 Aug 2026, 13:010.021 0.021 mg/l
16 Jul 2026, 11:150.017 0.017 mg/l
19 Jun 2026, 14:220.12 0.12 mg/l
18 May 2026, 16:25<0.01 below 0.01 mg/l (not detected above this)
10 Apr 2026, 09:390.063 0.063 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

992 µS/cm

Sampled 1 Oct 2026, 23 days ago · 7 results banked

8008509009501000µS/cm20242025202610 Apr 2026, 09:39: 926 µS/cm18 May 2026, 16:25: 802 µS/cm19 Jun 2026, 14:22: 855 µS/cm16 Jul 2026, 11:15: 816 µS/cm17 Aug 2026, 13:01: 884 µS/cm17 Sep 2026, 13:33: 990 µS/cm1 Oct 2026, 08:35: 992 µS/cm
Every result (7)
SampledResult as publishedReads as
1 Oct 2026, 08:35992 992 µS/cm
17 Sep 2026, 13:33990 990 µS/cm
17 Aug 2026, 13:01884 884 µS/cm
16 Jul 2026, 11:15816 816 µS/cm
19 Jun 2026, 14:22855 855 µS/cm
18 May 2026, 16:25802 802 µS/cm
10 Apr 2026, 09:39926 926 µS/cm

Everything measured here

15 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 15 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 7 Apr 2026 – Oct 2026 75.8% 1 Oct 2026
Oxygen, Dissolved as O2 9924 River water 7 Apr 2026 – Oct 2026 7.36 mg/l 1 Oct 2026
Temperature of Water 0076 River water 7 Apr 2026 – Oct 2026 16.6 °C 1 Oct 2026
Ammoniacal Nitrogen as N 0111 River water 7 Apr 2026 – Oct 2026 0.075 mg/l 1 Oct 2026
Nitrate as N 0117 River water 7 Apr 2026 – Oct 2026 6.52 mg/l 1 Oct 2026
Orthophosphate, reactive as P 0180 River water 7 Apr 2026 – Oct 2026 0.11 mg/l 1 Oct 2026
Conductivity at 25 C 0077 River water 7 Apr 2026 – Oct 2026 992 µS/cm 1 Oct 2026
BOD : 5 Day ATU 0085 River water 7 Apr 2026 – Oct 2026 below 1 mg/l 1 Oct 2026
Chemical Oxygen Demand :- {COD} 0092 River water 7 Apr 2026 – Oct 2026 18 mg/l 1 Oct 2026
Chloride 0172 River water 7 Apr 2026 – Oct 2026 110 mg/l 1 Oct 2026
Chlorophyll : Acetone Extract 7887 River water 7 Apr 2026 – Oct 2026 5.5 µg/l 1 Oct 2026
Nitrite as N 0118 River water 7 Apr 2026 – Oct 2026 0.076 mg/l 1 Oct 2026
Nitrogen, Total Oxidised as N 0116 River water 7 Apr 2026 – Oct 2026 6.6 mg/l 1 Oct 2026
Silica, reactive as SiO2 0182 River water 7 Apr 2026 – Oct 2026 7.8 mg/l 1 Oct 2026
Solids, Suspended at 105 C 0135 River water 7 Apr 2026 – Oct 2026 3.7 mg/l 1 Oct 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.