Free Resource
UK Brewery Compliance Checklist (2026)
BrewComply
29 March 2026
Free to use & share
UK breweries discharging trade effluent to the public sewer operate under a legally binding consent issued by their sewerage undertaker — Thames Water, Anglian Water, Severn Trent, Yorkshire Water, United Utilities, or equivalent. Breach those consent conditions and you face enforcement notices, civil monetary penalties, and in serious cases, prosecution under the Water Industry Act 1991.
This checklist covers the twelve areas every brewery compliance manager should review at least once a year. Tick each item to track your progress on-screen, or download the printable PDF version to keep with your compliance records.
Who this applies to
Any UK brewery discharging wastewater (spent yeast liquor, CIP rinse water, process water) to the public sewer under a trade effluent consent. If you discharge directly to a watercourse, you need an Environment Agency environmental permit — the EA's requirements are stricter and some items below will differ.
The Checklist
1 — Consent & Registration
Trade effluent consent obtained from your water company
You must hold a valid written consent before discharging any trade effluent to the public sewer. Operating without consent is a criminal offence under Section 118 of the Water Industry Act 1991.
Environment Agency registration confirmed (if applicable)
If you hold an EA environmental permit for any direct discharge to a watercourse or groundwater, confirm your registration is current and that permit conditions are met separately from your sewer consent obligations.
2 — Discharge Limits
Consent discharge limits documented and accessible to all relevant staff
Your limits for BOD, TSS, pH, flow rate, COD, and temperature should be written down and available in the brewery — not just filed away. Staff taking samples should know the numbers. See our discharge limits guide for typical UK ranges.
All six key parameters covered: BOD, TSS, pH, flow rate, COD, temperature
Not all consents include every parameter — review your consent document carefully. If a parameter isn't listed, ask your undertaker whether it is implicitly controlled by a general condition.
3 — Monitoring & Sampling
Monitoring schedule confirmed — monthly, quarterly, or per your consent conditions
Your consent specifies how often you must sample and report. Most UK brewery consents require monthly self-monitoring. Missing scheduled samples counts as a consent breach even if your effluent would have been compliant. See reporting frequency guide.
Flow meter calibration up to date
Flow meters used for compliance measurement must be calibrated in accordance with your consent conditions — typically annually. Keep calibration certificates on file. An uncalibrated meter undermines all flow-based data.
Staff trained on correct sampling procedures
Composite sampling, grab sampling, sample preservation, chain of custody — whoever takes samples must understand the method required by your consent. Incorrectly collected samples can be rejected by the water company or lab, leaving you without compliant data.
Self-monitoring results reviewed monthly
Don't wait for the water company to flag an exceedance. Review your own data every month against consent limits. Early detection gives you time to investigate root causes and report proactively — which regulators view far more favourably than reactive disclosure.
4 — Record-Keeping
Record-keeping system in place with minimum 3-year retention
All monitoring results, lab reports, sample logs, and correspondence with your water company must be retained for at least three years (check your consent for longer requirements). Digital records must be backed up.
Submission deadlines calendared for the full year
Put every submission deadline in a calendar with a two-week reminder. Late submissions are a consent breach regardless of compliance status. Regulators have limited sympathy for missed deadlines that result from poor organisation rather than genuine operational difficulty.
Historical compliance reports stored and accessible
In the event of an inspection or enforcement enquiry, you must be able to produce historical records quickly. Store reports in a logical folder structure — by year and submission date — and ensure more than one person knows where they are.
5 — Procedures & Annual Review
Emergency spill procedures documented and communicated to staff
A chemical or effluent spill that reaches the sewer in breach of consent conditions must be reported to your sewerage undertaker immediately. Your emergency procedure should cover: who to call, what information to record, and how to stop the discharge if possible.
Annual compliance review completed
At least once a year, review your consent against current operations. Has production volume grown since the consent was issued? Have you added new process lines? Changed cleaning chemicals? If your operations have materially changed, you may need a consent variation — operating beyond the scope of your consent without updating it is a breach.
Using this checklist
This checklist is a practical aide-mémoire, not a substitute for reading your consent document in full. Consent conditions vary by water company, site, and production volume. Where you find a gap, address it before your next sampling date — not after an enforcement notice arrives.
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Related Guides
Dive deeper into any area of the checklist with these detailed resources:
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