Shropshire Drainage
Stokesay Castle, Shropshire

Craven Arms · SY7

Sewage Treatment Plant Installation in Craven Arms

Design and installation of package sewage treatment plants for homes and small businesses, including upgrades from non-compliant septic tanks. Serving Craven Arms and the surrounding villages, including Wistanstow, Aston on Clun, Hopesay, Clun.

Photo: amandabhslater · CC BY-SA 2.0

A package sewage treatment plant treats waste water to a far higher standard than a septic tank, clean enough that the treated effluent may legally discharge to a watercourse as well as to ground. For many rural Shropshire properties, especially those on heavy clay where soakaways struggle, a treatment plant is now the most practical route to a compliant system.

In SY7 country, off-mains is close to universal outside the town. Hill farms, roadside cottages and village properties all depend on their own tanks, and distances mean many systems see a professional rarely. A good number of older installations here still discharge in ways the 2020 rules no longer permit.

Treatment plants are also the standard answer for properties caught by the 2020 General Binding Rules. If your existing septic tank discharges directly to a ditch, stream or brook, that arrangement is no longer permitted and a treatment plant upgrade is one of the two recognised fixes.

Ground conditions around Craven Arms

The south-west hills are built on old Silurian shales and mudstones, giving heavy, slow-draining soils in the valleys and thin cover over rock on the tops. Percolation results are frequently marginal, and drainage field design has to work with slope, rock and water in combination.

Watercourses and the rules around Craven Arms

The Onny, the Clun and their feeder streams drain these hills, and the Clun catchment in particular is environmentally significant, home to some of the last freshwater pearl mussels in England. The Environment Agency watches water quality here closely, and failing septic systems in the catchment are a recognised concern.

What the service includes

  • Plant sizing based on bedrooms and occupancy, not guesswork
  • Supply and installation of plants certified to EN 12566-3
  • Upgrades from failed or non-compliant septic tanks, including tank decommissioning
  • Drainage field or watercourse discharge arrangements that meet the General Binding Rules
  • Electrical connection, commissioning and handover
  • Ongoing annual servicing once the plant is in

Where we go around Craven Arms

As well as Craven Arms itself, we cover the surrounding villages and farms, including Wistanstow, Aston on Clun, Hopesay, Clun, Clunbury, Lydbury North, Onibury. If you are somewhere smaller or somewhere between, call anyway: if the lane goes there, so do we.

Sewage Treatment Plant Installation: common questions

What is the difference between a septic tank and a treatment plant?

A septic tank only settles solids out and relies on the ground to finish the job, so it may only discharge to a drainage field. A treatment plant actively treats the waste using air and bacteria, producing effluent clean enough to discharge to a watercourse under the General Binding Rules.

Do treatment plants smell or make noise?

A correctly installed and serviced plant should produce no noticeable odour. The air blower makes a low hum, similar to a fish tank pump, and is normally housed where it will not be heard.

How long does installation take?

Typically two to five days on site for a domestic plant, depending on access, ground conditions and whether a drainage field is being installed at the same time.

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