Flood Alert Issued for River Mole and Tributaries from Kinnersley Manor to South Hersham

Source: Environment Agency · Surrey, England

According to the U.S. Census Bureau's American Community Survey (ACS) 5-year estimates, the CDC PLACES population-level health analysis, and the CMS Hospital Compare quality data, Areazine publishes editorial articles drawing on more than 19,000 U.S. city profiles. See our methodology for full source attribution and refresh cadence.

The Environment Agency has issued a flood alert for the River Mole in Surrey, warning of rising river levels and potential flooding in Leatherhead and Cobham.

What this Environment Agency flood warning tells you, and what most readers miss

This notice was issued by Environment Agency on February 19, 2026 and geographically references Surrey, England. Its severity classification of "medium" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Flood Warnings — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly Environment Agency detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized Environment Agency flood warning is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, FloodAlert, Surrey) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

The Environment Agency has issued a flood alert for the River Mole and its tributaries. This alert, classified as severity level 3, was raised at 5:11 PM on February 16, 2026, following forecasts of rising river levels.

Affected Areas

The alert covers the River Mole and its tributaries from Kinnersley Manor to South Hersham within the county of Surrey. Residents should be aware that flooding is most likely to affect low-lying land and roads near the river. Specific areas of concern include locations around Leatherhead and Cobham.

What You Should Do

The Environment Agency advises residents and travelers to take care in the affected areas. It is critical to avoid walking, cycling, or driving through flood water.

Expected Conditions

Forecasts indicate that river levels are rising today, which may lead to flooding. The primary hazards are expected on low-lying land and roadways adjacent to the River Mole and its tributaries.

Timeline

The alert is currently active as of February 16, 2026. The Environment Agency is closely monitoring the situation and expects to provide an update by 9:00 AM on February 17, 2026, or sooner if conditions change significantly.

Original source: Environment Agency Official Notice ↗

All Flood Warnings →

Frequently Asked Questions

Common questions about this Environment Agency flood warning.

What is this Environment Agency flood warning about?
The Environment Agency has issued a flood alert for the River Mole in Surrey, warning of rising river levels and potential flooding in Leatherhead and Cobham.
Which agency issued this alert?
This alert was issued by Environment Agency. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "medium" severity. Stay informed and follow agency guidance.
What area is affected?
This alert affects Surrey, England. Check with Environment Agency for the most current geographic scope.
Where can I find more Flood Warnings updates?
Browse the full Flood Warnings feed on Areazine at areazine.com/uk/floods/ for the latest updates from Environment Agency and other agencies.