
1 
These regulations may be cited as the Reservoirs Act 1975 (Registers, Reports and Records) Regulations 1985
and shall come into operation on 1st April 1985.
2 
In this order—
 “the Act”
means the Reservoirs Act
1975,
 “the Act of 1930”
means the Reservoirs (Safety Provisions) Act 1930,
 “lowest natural ground level” means, where relevant, the lowest bed
level of any watercourse,
 “top water level”
means, in relation to a reservoir with a fixed overflow
sill, the lowest crest level of that sill, and for a reservoir the overflow
from which is controlled wholly or partly by movable gates, syphons or otherwise,
the maximum level to which water may be stored exclusive of any provision
for flood storage.
3 

(1) The prescribed information to be given
about large raised reservoirs in any register kept by a local authority pursuant
to section 2(2)
of the Act shall be the information set out in Schedule 1 to these regulations, provided that
the information set out as items 7 to 10 is only prescribed in the case of
a reservoir for which a local authority are the enforcement authority or the
undertakers.
(2) The register referred to above shall
be kept at the principal office of the local authority.
4 

(1) Reports shall be made by local authorities
to the Secretary of State under section 3
of the Act as follows:—
(a) a first report on 1st April 1987, and
(b) further reports at subsequent intervals
of two years.
(2) The prescribed information which a local
authority shall give in the reports required by section 3, shall be—
(a) information as to the steps (if any)
that the authority as an enforcement authority has taken in respect of any
reservoir to secure that undertakers observe and comply with the requirements
of the Act; and
(b) a statement whether as undertakers for
any reservoir situated wholly in their area, they have been required by any
section of the Act to take steps to observe and comply with the Act, and a
statement as to any steps that have been taken;such information to be accompanied by a statement of the number
of reservoirs for which the authority is enforcement authority and the number
of reservoirs situated wholly in their area for which the authority are the
undertakers.
5 

(1) The prescribed form of the record required
by section 11(1)
of the Act to be kept for every large raised reservoir by the undertakers
shall be the form set out in Schedule 2
to these regulations.
(2) The other matters of which a record is
to be kept under section 11(1),
in addition to those specified in subsections
(1)(a) and (b)
of that section, shall be the matters set out in Schedule 3 to these regulations.
(3) The information which is to be given
about those matters which are specified in section
11(1)(a) and (b)
of the Act shall be that set out in Parts 1
and 2 of the form of record
in Schedule 2
and the information which is to be given about the additional matters specified
in Schedule 3
shall be that set out in Parts 3
to 11 of that form.
Patrick Jenkin
Secretary of State for the Environment
12th February 1985Nicholas Edwards
Secretary of State for Wales
12th February 1985George Younger
Secretary of State for Scotland
13th February 1985
SCHEDULE 1
Regulation 3
Information to be given in Registers of Large
Raised Reservoirs.

1 
Name and situation of reservoir.
2 
National grid reference of reservoir.
3 
Name and address of undertakers.
4 
Name and address of enforcement authority, if
any.
5 
A summary of the contents of all certificates
or reports under the Act, or the Act of 1930, received by the authority, including:—
(i) the name and address of the engineer
giving the certificate or making the report,
(ii) the section of whichever Act the certificate
is given under or the report made,
(iii) the date(s) of the latest inspection
made under the Act of 1930,
(iv) where no final certificate was given
under the Act of 1930 because the construction or alteration of the reservoir
was completed before the commencement of that Act, a statement of that fact.
6 
The following information, if it is revealed
by any certificate or report or is otherwise known to the authority:—
(i) the category of the reservoir (i.e. whether
impounding or non-impounding),
(ii) year(s) in which the dam(s) were completed,
(iii) the construction of the dam(s) (i.e.
whether constructed of earth, rockfill, gravity, buttress or by other means),
(iv) the maximum height of the dam(s) in
metres measured from the lowest natural ground level adjacent to it, to the
top of the dam, excluding the height of the wave wall,
(v) the capacity of the reservoir above the
lowest natural ground level adjacent to it (in cubic metres) to top water
level,
(vi) the water surface area of the reservoir
at top water level (in square metres or square kilometres).
7 
Name and business address of the supervising
engineer or, if the reservoir is under the supervision of a construction engineer,
of that engineer.
8 
Date when the next inspection is due under the Act or any date recommended for the next inspection under the Act by the supervising or inspecting engineer.
9 
Particulars of any appointment made by the enforcement authority under section 15 of the Act.
10 
Particulars of any measures taken by the enforcement authority under section 16 of the Act, including the date on which they were taken.
SCHEDULE 2
Regulation 5

SCHEDULE 3
Regulation 5
Prescribed matters relating to large raised reservoirs of which undertakers are to keep a record.

1 
Persons having, in relation to the reservoir, a function provided for by the Act.
2 
Certificates given under the Act or under the Act of 1930.
3 
Reports made under the Act or under the Act of 1930.
4 
Appointment of referees under the Act or the
Act of 1930.
5 
Re-use, abandonment and discontinuance.
6 
Physical characteristics of direct and indirect
catchment areas of the reservoir and method of filling from indirect catchment
area.
7 
Standard average annual rainfall on direct and
indirect catchment areas of the reservoir.
8 
Means of access to the reservoir.
9 
Category of the reservoir, its use, the certified
level up to which it may store water, its surface water area, capacity and
fetch.
10 
Structural character of the dam, reservoir
wall or embankment, its date of completion, height, level of the top of the
dam and reservoir wall or embankment and of the wave wall above Ordnance Datum.
Details of draw off works, bottom outlets, or any other means of lowering
the water level together with their maximum rates of discharge.
11 
Spillway works; their type, location and level
and the safety provisions made in connection with their operation.
12 
Measures taken in the interests of safety on
the recommendation of a qualified civil engineer.
13 
Unusual events which could affect the safety
of the reservoir.