SECURITIESTable ANDof EXCHANGE COMMISSION Contents

~~Washington,~~SECURITIES ~~D.C.~~AND ~~20549~~EXCHANGE COMMISSION

~~FORM~~Washington, ~~6-K~~D.C. 20549

~~Report~~FORM ~~of Foreign Private Issuer Pursuant to Rule 13a~~6-~~16 or 15d-16 of~~K ~~The Securities Exchange Act of 1934~~

~~For~~Report of Foreign Private Issuer ~~month~~Pursuant ~~end~~to Rule 13a-16 or 15d-16 of The ~~February, 2007~~Securities Exchange Act of 1934

~~United~~For month ~~Utilities~~end ~~PLC~~of May, 2007

~~Dawson~~United ~~House, Great~~Utilities ~~Sankey,~~PLC ~~Warrington WA5 3LW England (Address of principal executive offices)~~

~~Indicate~~Dawson byHouse, Great ~~check~~Sankey, Warrington ~~mark~~WA5 ~~whether~~3LW England (Address ~~the~~of ~~registrant~~principal ~~files~~executive ~~or will file annual report under cover Form 20-F or Form 40-F~~ offices)

Indicate by check mark whether the registrant files or will file annual report under cover Form 20-F þ or Form 40-F o

~~Indicate by check mark whether the registrant by furnishing the information contained in this~~ Form 20-F ~~is also thereby furnishing the information to the Commission pursuant to Rule~~þ Form ~~12g3~~40-~~2(b)~~F ~~under the Securities Exchange Act of 1934.~~ o

~~Yes~~Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule ~~o No þ~~12g3-2(b) under the Securities Exchange Act of 1934.

~~If “~~Yes~~” is marked, indicate below the file number assigned to the registrant in connection with~~ ~~Rule 12g3-2(b).~~o No ~~N/A~~ þ

~~SIGNATURES~~If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b). N/A

~~Pursuant~~TABLE toOF ~~the requirements of the Securities Exchange Act 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorised.~~ CONTENTS

	UNITED UTILITIES PLC(Registrant)
	By:	/s/ Paul Davies
	Name:	Paul Davies
Dated: 7 March 2007	Title:	Assistant Company Secretary


SIGNATURES
Exhibit index — 1 March 2007 — 31 March 2007
Exhibit 99.1

ExhibitTable indexof — 1 February 2007 — 28 February 2007 Contents

~~99.1 — 13 February 2007 — Dividend reinvestment~~SIGNATURES 99.2 — 14 February 2007 — Notification re T Weller retention award 99.3 — 20 February 2007 — Share incentive plan purchase 99.4 — 20 February 2007 — L Booth dividend reinvestment into ISA 99.5 — 28 February 2007 — Total Voting Rights

Pursuant to the requirements of the Securities Exchange Act 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorised.


	UNITED UTILITIES PLC
	(Registrant)

	By:	/s/ Paul Davies
	Name:	Paul Davies
Dated: 30 May 2007	Title:	Assistant Company Secretary

Exhibit Index

99.1 – UNITED UTILITIES TO PURSUE US DELISTING AND DEREGISTRATION

SECURITIESTable ANDof EXCHANGE COMMISSION Contents

ExhibitTable indexof — 1 February 2007 — 28 February 2007 Contents

Table of Contents

Filing Compare · UNITED UTILITIES PLC