Looking for a registered septic tank emptying company in Dorset? Our directory lists 12 EA-registered waste carriers operating in the area. Each one holds a valid registration verified against the official Environment Agency register. Whether you need a routine annual empty, cesspit emptying, or an emergency callout, you can find a legally authorised company in Dorset below.

All 12 companies verified against the EA Waste Carrier Register as of 06 March 2026.

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DRAIN DEFENCE LTD

📍 Poole, Dorset
EA Registered Waste Carrier
EA Reg: CBDU480954 · Expires 2026-04-17
EA Registered Waste Carrier
EA Reg: CBDU124939 · Expires 2028-08-01
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MAINTAIN UK DRAINS LIMITED

📍 Poole, Dorset
EA Registered Waste Carrier
EA Reg: CBDU121007 · Expires 2028-07-28
EA Registered Waste Carrier
EA Reg: CBDU69027 · Expires 2027-11-03
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DORSET DRAINAGE SERVICES (UK) LTD

📍 Wimborne, Dorset
EA Registered Waste Carrier
EA Reg: CBDU144102 · Expires 2028-12-20
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DRAINAGE & TANKER SERVICES LTD

📍 Wimborne, Dorset
EA Registered Waste Carrier
EA Reg: CBDU574341 · Expires 2028-03-11
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EA Registered Waste Carrier
EA Reg: CBDU108990 · Expires 2028-06-13
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THE DRAIN TEAM (DORSET) LIMITED

📍 Bournemouth, Dorset
EA Registered Waste Carrier
EA Reg: CBDU99446 · Expires 2028-04-02
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YOUR DRAINAGE SOLUTIONS LIMITED

📍 Poole, Dorset
EA Registered Waste Carrier
EA Reg: CBDU594918 · Expires 2028-07-22
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PRO DRAINAGE LIMITED

📍 Wimborne, Dorset
EA Registered Waste Carrier
EA Reg: CBDU166260 · Expires 2029-03-10
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CANFORD DRAINS LTD

📍 Wimborne, Dorset
EA Registered Waste Carrier
EA Reg: CBDU616571 · Expires 2029-01-05
EA Registered Waste Carrier
EA Reg: CBDU388368 · Expires 2027-05-10

Typical Septic Tank Emptying Costs

Standard empty (up to 1,000 gal)
£120 – £250
Large tank (2,000+ gal)
£225 – £400
Emergency / out-of-hours
£200 – £500+

Prices vary by tank size, location, and access. Always use an EA-registered waste carrier and get at least two quotes.

How to Choose a Septic Tank Company in Dorset

Here are key factors to consider when comparing septic tank emptying companies in Dorset:

  • Check the EA registration. Every company on this page is verified, but you can also check directly on the EA register using their registration number.
  • Get at least two quotes. Prices vary based on tank size, location, and access. Ask about any additional charges for difficult access.
  • Ask about tank size. Make sure the tanker they send has sufficient capacity for your tank. A standard tanker holds 2,000-3,000 gallons.
  • Check availability. During winter and wet weather, demand increases. Book routine empties in advance to avoid waiting.

Septic Tank Emptying in Dorset — FAQ

How many registered septic tank companies are in Dorset?

There are currently 12 EA-registered septic tank emptying companies operating in Dorset.

How do I get a septic tank emptying quote in Dorset?

Contact any of the registered companies listed above directly by phone. We recommend getting at least two quotes to compare pricing. Every company on this page holds a valid EA waste carrier registration.

How often should I empty my septic tank?

Most septic tanks should be emptied at least once a year. However, frequency depends on tank size, number of occupants, and usage. Cesspits need more frequent emptying, typically every 4-6 weeks.

How much does septic tank emptying cost?

A standard domestic septic tank empty costs £120–£250 for tanks up to 1,000 gallons. Larger tanks cost £225–£400. Emergency callouts can be £200–£500+.

Why must I use an EA-registered waste carrier?

It is a legal requirement under the Environmental Protection Act 1990. Using an unregistered carrier carries an unlimited fine. Registered carriers ensure waste is transported and disposed of safely and legally.