Regional data · Legionella Index

The Legionella Index: West Midlands

Every dataset on the Index, filtered to the West Midlands: confirmed Legionnaires' disease figures where UKHSA publishes them, tracked enforcement cases, water hardness for 22 towns, and what the councils here ask of landlords.

Part of the Legionella Data Index · compiled 2 August 2026

71Confirmed cases, 2023 (1.2 per 100k)
4Enforcement cases tracked
£1.05mTotal fines in tracked cases
22Towns in the hardness dataset
01 / SURVEILLANCE

Legionnaires' disease in the West Midlands

The most recent regional figure UKHSA states explicitly: 71 confirmed cases of legionellosis in the West Midlands in 2023, a rate of 1.2 per 100,000 residents.

Whatever the regional count, the duties do not change: a non-domestic water system in the West Midlands still needs a risk assessment, a written scheme of control, and the records to show the scheme is being followed. Source: UKHSA national surveillance (Open Government Licence).

02 / ENFORCEMENT

Prosecutions tracked in the West Midlands

The tracker holds 4 legionella prosecutions from the West Midlands, totalling £1.05m in fines (2014–2023).

DefendantYearSectorFineProsecutor
Riaar Plastics Limited
Five people, including members of the public, contracted Legionnaires' disease near a West Bromwich plastics factory in 2020, one needing intensive care. The site's cooling towers were in extremely poor condition. Source
2023 Manufacturing £50k HSE
Isher Hangers (K & S Chatha)
The owners of a Birmingham hanger manufacturer failed to control legionella from a cooling tower, ignoring their own consultants' warnings and having no risk assessment, on a site near two hospitals. Each received a 12-week sentence suspended for 12 months, a rare custodial legionella outcome. Source
2020 Manufacturing n/a HSE
JTF Wholesale Limited Death/outbreak
A heated spa pool displayed for sale for months at a Stoke-on-Trent warehouse store caused a 2012 outbreak: 21 people fell ill and three died. The HSE considered corporate manslaughter before accepting a guilty plea to failing to risk-assess and maintain the hot tub. Source
2017 Retail £1m HSE
Pride Cleaners (2000) Limited
A Stourbridge dry-cleaning firm could not show how it was managing a cooling tower integral to its process, having dropped its water-treatment consultant without alternative controls, creating a legionella risk to workers and the public. The company, which had ceased trading, pleaded guilty to breaching HSWA ss.2(1) and 3(1) at Birmingham Magistrates' Court in August 2014 and was fined a nominal £100 plus £50 costs. Source
2014 Dry cleaning £100 HSE

The full UK record, its curation rules and the per-sector breakdown are on the Legionella Enforcement Tracker; sector views sit under the Index.

03 / WATER HARDNESS

Water hardness in the West Midlands towns

19 of 22 towns here carry a reported hardness figure; the rest show a band inferred from the water company's own statement, or an honest gap. Every row names its source and confidence. Scale risk uses the DWI/WHO anchor: scaling begins around 200 mg/l CaCO₃.

TownWater companyHardness (mg/l CaCO₃)Hardness bandScale riskEvidence
BirminghamSevern Trent Water72SoftLowTwo agreeing sources - unverified (MyTapWater + WaterGrade)
Two independent aggregators agree; still to be spot-checked against the company checker.
BromsgroveSevern Trent Water192.4Moderately hardModerateSingle source - unverified (WaterGrade)
CannockSevern Trent Water250.3HardHighSingle source - unverified (WaterGrade)
CoventrySevern Trent Water180-201Moderately hard to HardModerate to highTwo agreeing sources - unverified (MyTapWater + WaterGrade)
Two independent aggregators agree; still to be spot-checked against the company checker.
DudleySevern Trent Water199.4Moderately hardModerateSingle source - unverified (WaterGrade)
Shared supply zone with Walsall and West Bromwich.
KidderminsterSevern Trent Water225HardHighSingle source - unverified (WaterGrade)
NuneatonSevern Trent Water259.3HardHighSingle source - unverified (WaterGrade)
RedditchSevern Trent Water205.9HardHighSingle source - unverified (WaterGrade)
RugbySevern Trent Water296.9HardHighSingle source - unverified (WaterGrade)
ShrewsburySevern Trent Water330.7Very hardVery highSingle source - unverified (WaterGrade)
SolihullSevern Trent Water81.8SoftLowSingle source - unverified (WaterGrade)
StaffordSevern Trent Water292.7HardHighSingle source - unverified (WaterGrade)
Stoke-on-TrentSevern Trent Water150-157Slightly hard to Moderately hardModerateTwo agreeing sources - unverified (MyTapWater + WaterGrade)
Two independent aggregators agree; still to be spot-checked against the company checker.
Stratford-upon-AvonSevern Trent Water377.8Very hardVery highSingle source - unverified (WaterGrade)
Sutton ColdfieldSevern Trent WaterNo sourced data
The supply company spans soft upland and hard groundwater zones, so no town-level value or band can be inferred; use the company postcode water-quality checker.
TamworthSevern Trent Water277.1HardHighSingle source - unverified (WaterGrade)
TelfordSevern Trent Water364Very hardVery highSingle source - unverified (WaterGrade)
WalsallSevern Trent Water199.4Moderately hardModerateSingle source - unverified (WaterGrade)
Shared supply zone with Dudley and West Bromwich.
WarwickSevern Trent Water328.8Very hardVery highSingle source - unverified (WaterGrade)
West BromwichSevern Trent Water199.4Moderately hardModerateSingle source - unverified (WaterGrade)
Shared supply zone with Walsall and Dudley.
WolverhamptonSevern Trent WaterWithheldConflict: MyTapWater 140 vs WaterGrade 250.3 - withheld
The two compiled values disagree, so neither is published; verify via the company checker.
WorcesterSevern Trent WaterWithheldConflict: MyTapWater 125 vs WaterGrade 241.5 - withheld
The two compiled values disagree, so neither is published; verify via the company checker.

* Band or scale risk inferred from the water company's own published statement, not a measured town value. Figures labelled "unverified" come from aggregator sites and should be confirmed against the company's postcode water-quality checker before being relied on. How this dataset is built.

04 / COUNCIL DUTIES

What councils in the West Midlands ask of landlords

The national legionella duty is the same everywhere; what varies locally is property licensing and whether legionella is written into licence conditions. These verified councils fall in the West Midlands:

CouncilNationSchemeIn forceLegionella in licensing?
Coventry City Council
Citywide: 3-4 person HMOs and s.257 HMOs
Private Rented Sector Code of Practice (applied to licensed HMOs), §7.1.5: "A risk assessment for the control of legionella bacteria must be carried out and all recommendations should be adhered to." Source document
EnglandAdditional HMO licensing4 May 2020 onwardsExplicit licence condition
Birmingham City Council
Selective: 25 wards. Additional: citywide. Fees £700/£755; 5 years
Official selective licensing conditions PDF scanned: no legionella. (Additional licensing conditions not yet scanned.) Source document
EnglandSelective licensing + Additional HMO licensing5 Jun 2023 onwardsChecked - not in conditions
Important This page is general guidance only. Legionella risk varies with the specific water system, its use, and the people exposed to it. You should consult a competent legionella risk assessor for advice on your premises. LegionellaCheck is an independent information service and is not affiliated with HSE, UKAS, the Legionella Control Association, or any water hygiene company. This site does not provide medical advice. If you suspect Legionnaires' disease, contact NHS 111 or your GP.