Must be the holder of an authorization which, exiting the limits of common use:

A.

Operates a collection in a permanent flow stream;

B.

Operates, in lakes or groundwater, a levy that significantly influences the flow of a stream at a permanent flow rate.

The levy may be authorized if:

A.

The requirements set out in s. 31 to 35 are respected;

B.

Associated with other levies, it reduces by 20 % at most the flow Q ₃₄₇ A watercourse and does not exceed 1000 l/s; or

C.

For drinking water, it does not exceed an average of 80 litres per year when operated in a source and 100 l/s when operated in groundwater.

¹ When samples are taken in permanent flow streams, the residual flow rate must be at least:

For Q Debit ₃₄₇ Less than or equal to 60 l/s 50 l/s

Plus, per 10 l/s 8 l/s

For Q Debit ₃₄₇ 160 l/s 130 L/s

Plus, per 10 l/s 4.4 l/s

For Q Debit ₃₄₇ 500 l/s 280 l/s

Plus, per 100 l/s 31 l/s

For Q Debit ₃₄₇ 2500 l/s 900 l/s

More, per 100 l/s 21.3 l/s

For Q Debit ₃₄₇ 10 000 l/s 2,500 l/s

Plus, per 1000 l/s 150 l/s

For Q Debit ₃₄₇ Equal to or greater than 60 000 l/s 10,000 l/s

² The residual flow calculated according to para. 1 must be increased when the following requirements are not met and cannot be met by other measures:

A.

The quality of the surface water is in conformity with the requirements in spite of the withdrawal and the discharges of water to be evacuated;

B.

Groundwater recharge is ensured in such a way that the levies necessary for the supply of drinking water can be obtained normally and that the water content of agricultural soils is not significantly Assigned;

C.

Rare biotopes and biocenoses whose existence is directly or indirectly related to the nature and size of the watercourse must be preserved; if there are compelling reasons for this conservation, they will be replaced in the Measure, by others of the same value;

D.

The water depth necessary for the free migration of fish must be guaranteed;

E.

Fish waters with a flow of Q ₃₄₇ Is less than or equal to 40 l/s are maintained as such when they are at an altitude of less than 800 m and are used as spawning grounds for fish or habitat for their offspring.

Cantons may authorize lower residual flows:

A. ¹

On a section of 1000 m downstream of the sampling point, when the flow Q ₃₄₇ Is less than 50 l/s, if the watercourse is at an altitude of more than 1700 m or is non-piscicole and is between 1500 and 1700 m altitude;

B.

Where the samples are operated in non-fish waters and provided that the remaining flow rate is at least 35 % of the flow Q ₃₄₇ ;

B ^Bis . ²

On a section of 1000 m downstream of the sampling point, provided that its ecological potential is low and that the natural functions of the watercourse are not significantly affected;

C.

Where the watercourses are in a limited, low-lying area with a topographic unit, water protection and use plans have been established and the reduction in flow is compensated in the same area, by An example by waiving other levies; the aforementioned plans will be subject to approval by the Federal Council;

D.

When it is necessary to carry out temporary water withdrawals, for example, to ensure the supply of drinking water, to fight fires or to irrigate agricultural land.

¹ The authority sets a higher residual flow rate as high as possible after weighing the interest.

² In particular, in favour of a water withdrawal:

A.

The public interest that the levy should serve;

B.

The economic interests of the region from which the water originates;

C.

The economic interests of the person who intends to make the levy;

D.

The supply of energy, when it requires a water withdrawal.

³ In particular, a water withdrawal shall be opposed:

A.

The importance of the watercourse as part of the landscape;

B.

The importance of the watercourse as a biotope and the maintenance of the diversity of the fauna and flora that depend on it, as well as the conservation of the yield of fishing and the natural reproduction of fish;

C.

Maintaining a flow rate that ensures long-term compliance with water quality requirements;

D.

The maintenance of a balanced groundwater regime that, in the long term, allows for the use of groundwater as drinking water, to continue to operate according to the usual mode and to preserve vegetation adapted to the station;

E.

Maintenance of agricultural irrigation.

⁴ Any person who intends to take a levy in a watercourse shall submit to the authority a report concerning:

A.

The likely impact of the levy, for various debits, on the interest used in the levy, including on the generation of electrical energy and its cost;

B.

The interests to which the levy may be opposed and the possibilities of countering it.

When samples taken from a lake or groundwater supply significantly influence the flow of a stream, s. 31 to 33 apply by analogy to the protection of this watercourse.

¹ The authority in each case shall determine the staffing rate and other measures necessary to protect the watercourse downstream of the levy.

² It can set differentiated staffing rates over time. These flows shall not be less than the minimum residual rates set out in Art. 31 and 32.

³ The authority shall consult the services concerned before taking its decision; in the case of levies for hydro-electric installations of a gross power greater than 300 kW, it shall also consult the Confederation.

¹ A person who operates a levy in a water shall be required to demonstrate to the authority, through measures, that he or she is in compliance with the staffing rate. Where the costs are not reasonable, the evidence can be provided by calculation of the water balance.

² If it is found that the actual flow rate is temporarily lower than the fixed rate, only a quantity of water equal to the actual flow rate must be returned during that period.

¹ The cantons shall determine, after consultation with the relevant media, the space necessary for the surface waters (water reserved area) to ensure:

A.

Their natural functions;

B.

Flood protection;

C.

Their use.

² The Federal Council regulates the modalities.

³ The cantons shall ensure that the management plans and allocation plans take account of the area reserved for water and that it is developed and operated extensively. The space reserved for water is not considered to be a drying surface. The disappearance of drying surfaces shall be compensated in accordance with the sectoral plans of the Confederation referred to in Art. 13 of the Act of 22 June 1979 on land use planning ² .

¹ Watercourses can only be dammed or corrected if these interventions:

A. ¹

Be required to protect important persons or property (s. 3, para. 2, of the Federal Law of 21 June 1991 on the Development of Watercourses ² );

B.

Necessary for the development of waterways or the use of hydraulic power in the public interest;

B ^Bis . ³

Are required to construct a landfill that can only be carried out at the intended location and on which only excavated material and unpolluted excavated and excavated material will be stored;

C.

Make it possible to improve within the meaning of this Law the condition of a watercourse already contained or corrected.

² In these interventions, the natural course of watercourses should be respected or restored as far as possible. The waters and space reserved for the waters shall be arranged in such a way that: ⁴

A. ⁵

They can accommodate a diverse flora and fauna;

B.

The interactions between surface water and groundwater should be maintained as far as possible;

C.

Vegetation adapted to the site can grow on the banks.

³ In built-up areas, the authority may authorize exceptions to para. 2.

⁴ L' al. 2 applies by analogy to the creation of artificial watercourses.

¹ Watercourses should not be covered or grounded.

² The authority may authorize exceptions to:

A.

Flood weir channels and irrigation canals;

B.

Passages through channels of communication;

C.

Passages under agricultural or forestry roads;

D.

Small, non-permanent drainage ditches;

E.

Rehabilitation of covered or grounded sections to the extent that a free-air flow cannot be restored or would cause significant damage to agriculture.

¹ The cantons are responsible for revitalising the waters. They take into account the benefits of these interventions for nature and landscape, as well as their economic impact.

² The cantons plan and schedule the revitalisations. They ensure that management plans and assignment plans take this planning into account. The disappearance of drying surfaces shall be compensated in accordance with the sectoral plans of the Confederation referred to in Art. 13 of the Act of 22 June 1979 on land use planning ² .

¹ It is forbidden to introduce solid substances into the lakes, even if they are not likely to pollute the water.

² The Cantonal Authority may authorize the filling:

A.

For buildings which cannot be erected in another place and which are situated in a built-up area, where the overriding public interest so requires and the objective cannot be achieved otherwise;

B.

If it allows for shoreline improvement.

³ Backfill should be carried out as naturally as possible; the destroyed riparian vegetation should be replaced.

¹ The holders of hydro-electric power plants take construction measures to prevent or eliminate the serious damage caused by sudden and artificial variations in the flow of a stream (lock) to native flora and fauna And their biotopes. At the request of the holder of a hydroelectric power plant, the authority may order operating measures instead of construction work.

² The measures are defined according to the following factors:

A.

Severity of the watercourse damage;

B.

Ecological potential of the watercourse;

C.

Proportionality of costs;

D.

Flood protection;

E.

Energy policy objectives for the promotion of renewable energy.

³ In the watershed of the watercourse concerned, the measures should be coordinated after consultation with the holders of the hydropower plants concerned.

⁴ The compensation basins set up in accordance with para. 1 may be used for the purpose of accumulation and pumping without modification of the lease.

¹ In the course of curing and emptying of impoundments or during the control of water discharge and flood discharge devices, the operator of the work shall ensure, to the greatest extent possible, that wildlife and wildlife are not adversely affected. Flora in the downstream part of the stream.

² He may only carry out a curage or a discharge with the permission of the canton; the authority issuing the authority shall consult the services concerned. If periodic curages or dumping are necessary for the safety of the operation, the authority shall confine itself to determining the timing of the operation and its mode of execution.

³ If, at extraordinary events, the operator must immediately lower the water level of the impoundment for safety reasons, the operator shall without delay inform the authority issuing the authorisation.

¹ The person who operates a retainer is prohibited from discharging the floating detritus collected upstream. The authority may authorize exceptions.

² It shall periodically collect floating detritus at the edge of the facility, in accordance with the requirements of the authority.

¹ The removal or discharge of water into a natural lake shall not result in a significant alteration of the stratification and currents of the lake, nor result in any variation in the level likely to affect the riparian area.

² When water is discharged into a watercourse, the mode and location of the spill will be selected to ensure that the containment and corrections are avoided as much as possible.

¹ The cantons shall ensure that samples taken in an underground water table are not greater than the quantity of water that supplies it. The levies may, however, temporarily exceed the contributions, provided that they do not affect the quality of the groundwater or the vegetation.

² The cantons shall endeavour to improve, as far as possible, the condition of groundwater when they are overexploited or that their diet has been reduced, by reducing sampling, by artificially feeding the slicks or Storing drinking water in the basement.

³ The creation of permanent communication between groundwater is prohibited if such intervention can reduce groundwater supplies or alter their quality.

⁴ The construction shall not have the effect of significantly and permanently reducing the capacity of the reservoir, nor the flow of exploitable groundwater.

⁵ Low-height retaining structures should not seriously affect groundwater or the vegetation that depends on the level of the groundwater. The authority may authorize exceptions for existing facilities.

⁶ The drainage of a region causing, on a large surface, the reduction in the level of groundwater is permitted only if it is the only means of maintaining the operation of agricultural land.

¹ The watercourse of a watercourse shall not be altered by facilities to the extent that it seriously affects the indigenous flora and fauna and their biotopes, the groundwater regime and the flood protection. The holders of these facilities shall take the necessary measures.

² The measures are defined according to the following factors:

A.

Severity of the watercourse damage;

B.

Ecological potential of the watercourse;

C.

Proportionality of costs;

D.

Flood protection;

E.

Energy policy objectives for the promotion of renewable energy.

³ In the watershed of the watercourse concerned, the measures must be coordinated after consultation with the holders of the facilities concerned.

¹ Any person who intends to use gravel, sand or other materials or undertake preliminary excavations for that purpose must obtain an authorization.

² These holdings are not permitted:

A.

In groundwater protection areas;

B.

Below the level of exploited groundwater;

C.

In streams, when the solid discharge is not compensating for the drawdown.

³ The exploitation of materials may be permitted above exploitable groundwater, provided that a protective layer of material is maintained above the highest level that the slick can reach. The thickness of this layer will be determined according to local conditions.

¹ The Confederation makes statements of national interest on:

A.

The elements of the hydrological balance;

B.

The quality of surface water and groundwater;

C.

Drinking water supplies;

D.

Other aspects of water protection.

² It can participate financially in the development of facilities and processes to improve the state of the art in the general interest of water protection, in particular in the field of source control.

³ It shall make the data collected and their interpretation available to the interested parties.

⁴ The Federal Council regulates the execution of the surveys and the exploitation of the data collected.

⁵ The competent federal departments publish technical guidelines and advise the services responsible for the surveys. They may, against payment, carry out hydrological work for third parties or make their appliances available for such work.

¹ The cantons shall carry out the other statements necessary for the implementation of this Law. They communicate the results to the relevant federal departments.

² The cantons provide an inventory of groundwater and water supply facilities. The inventory is public, unless the interests of national defence require secrecy.

In the absence of sufficient measures to assess the flow of a stream, the flow Q ₃₄₇ Is determined by other methods, such as observation of hydrological events or simulation.

Prior to authorizing any intervention that may affect a water on the edge of a hydrological or other data station, the authority shall inform the station's responsible services.

¹ The cantons shall ensure that the costs of construction, operation, maintenance, cleaning and replacement of sewage disposal and purification facilities in the performance of public tasks are put in place through the intermediary of the Of emoluments or other taxes, in charge of those who are responsible for the production of waste water. The amount of the fees shall be fixed in particular as follows:

A.

The type and quantity of wastewater produced;

B.

The depreciation required to maintain the value of the capital of these facilities;

C.

Interest;

D.

Planned investments in the maintenance, remediation and replacement of these facilities, for their adaptation to legal requirements or for improvements in their operation.

² If the introduction of charges covering costs and in accordance with the principle of causality were to compromise the disposal of waste water according to the principles of environmental protection, other forms of financing may be introduced.

³ The holders of drainage and water treatment facilities shall constitute the necessary provisions.

⁴ The basis for calculating the amount of fees is available to the public.

¹ The Confederation collects from the holders of central wastewater treatment plants a tax to finance compensation for measures to eliminate the organic trace compounds referred to in Art. 61 A , including the cost of executing the Confederation.

² The holders of waste water treatment plants that have taken action under s. 61 A And submitted, by 30 September of the calendar year, the final statement of investments made shall be exempt from the tax from the following calendar year.

³ The amount of the tax is fixed according to the number of inhabitants connected to the station. It may not exceed 9 francs per inhabitant per year.

⁴ The Federal Council sets the tariff on the basis of the estimated costs and regulates the way in which the tax is collected. The tax is deleted on or before December 31, 2040.

⁵ The holders of stations charge the tax to those who are responsible for the measure.

¹ Within the limits of the appropriations granted and on the basis of programme agreements, the Confederation allocates to the cantons total compensation for the establishment of the following facilities and equipment:

A.

Facilities and equipment for the removal of nitrogen from central waste-water treatment plants, to the extent that they comply with international agreements or decisions of international organisations Combating water pollution outside Switzerland;

B.

Sewage to give up the facilities and equipment provided for in the let. A.

² The amount of compensation shall be determined on the basis of the quantity of nitrogen disposed of through the measures provided for in para. 1.

¹ Within the limits of the appropriations granted and the means available, the Confederation allocates to the cantons compensation for the establishment of the following facilities and equipment:

A.

Facilities and equipment for the disposal of trace-picnic compounds at the central waste water treatment plants, to the extent that they are necessary to comply with the requirements for the discharge of waste water in the Waters;

B.

Sewage to give up the facilities and equipment provided for in the let. A.

² Compensation is allocated when the installation of facilities, equipment and sewers started after 1 ^Er January 2012 and within 20 years of the entry into force of the amendment of 21 March 2014 of this Law.

³ Compensation amounts to 75 % of attributable costs.

¹ Within the limits of the appropriations granted, the Confederation allocates to the cantons compensation for the establishment of facilities and equipment for the disposal of special waste if these facilities and equipment are of national interest.

² Within the limits of the appropriations granted, it allocates to the cantons low or medium financial capacity allowances for the establishment of facilities and equipment for the treatment and recovery of urban waste, if the decision of First instance to perform the installation is taken before 1 ^Er November 1997. For regions which do not yet have sufficient disposal capacity, the Federal Council may, if circumstances so require, extend the deadline until 31 October 1999.

^2bis The right to federal allowances within the meaning of para. 2 remains under the following conditions:

A.

The decision of the first instance relating to the completion of an installation has been taken in accordance with the extended period;

B.

A new facility must be authorized for technical reasons not attributable to the canton;

C.

The decision of the first instance relating to the implementation of the new facility is issued before 1 ^Er November 2005;

D.

Construction begins before 1 ^Er November 2006. ²

³ ... ³

⁴ The allowances amount to:

A.

25 % of the costs attributable to the installations and equipment provided for in paras. 1 and 2;

B. ⁴

...

¹ Within approved appropriations, the Confederation allocates compensation for measures taken by agriculture to prevent runoff and leaching of substances, where:

A.

These measures are necessary to meet the requirements for the quality of surface water and groundwater;

B.

The canton concerned has delineated the sectors in which the measures are to be taken and has harmonised the measures provided for;

C.

These measures are not economically sustainable.

² The amount of compensation is based on the properties and quantity of substances whose runoff and leaching are prevented, as well as the costs of measures that are not compensated by contributions according to the law of 29 April 1998 on agriculture ² Or under federal law of 1 ^Er July 1966 on the protection of nature and the landscape ³ . ⁴

³ ... ⁵

⁴ The Federal Office of Agriculture allocates compensation in the form of global contributions, on the basis of programme agreements which are concluded with the cantons for each sector in which the measures are to be taken. It consults with the Federal Office of the Environment to determine whether the planned programmes guarantee adequate water protection. The cantons shall allocate allowances to beneficiaries. ⁶

¹ Within the limits of the appropriations granted and on the basis of programme agreements, the Confederation allocates compensation to the cantons in the form of comprehensive contributions for the planning and implementation of measures to revitalize the Water.

² Allowances may be awarded to the cantons on a case-by-case basis for particularly expensive projects.

³ The amount of compensation shall be based on the importance of measures for the recovery of natural water functions and on the basis of their effectiveness.

⁴ No contribution shall be made for the dismantling of an installation to which the holder is required to proceed.

⁵ The operators of the space reserved for the waters are compensated according to the law of 29 April 1998 on agriculture ² For the extensive exploitation of their surfaces. The budget and the ceiling on agricultural expenditure are increased accordingly.

¹ Within the limits of the appropriations granted, the Confederation allocates to the cantons compensation for the planning referred to in Art. 83 B , provided that the latter is submitted by 31 December 2014 at the latest.

² Compensation amounts to 35 per cent of attributable costs.

Compensation shall be paid only if the measures envisaged are based on adequate planning, ensure effective protection of the waters, comply with the prior art and are economic.

¹ Within the limits of the appropriations granted, the Confederation may allocate to the cantons compensation for research into the causes of the qualitative insufficiency of an important water, with a view to determining the remedial measures to be taken. ¹

² It may allocate financial aid for the training of specialised staff and for the information of the population.

³ Within the limits of the appropriations provided, it may support, through indemnities and its own work, the establishment of the Cantonal Inventories of Water Supply and Groundwater Inventories, for the same purpose That:

A.

These inventories are prepared in accordance with the Confederation Directives;

B.

The motions are filed before 1 ^Er November 2010. ²

⁴ The benefits of the Confederation cannot exceed 40 % of the costs. ³

The Confederation may grant a guarantee against the risks relating to installations and equipment which use promising new techniques. This guarantee will not exceed 60 % of the attributable costs.

¹ The Federal Assembly is voting, by way of a simple federal decree, for a time-limited framework credit for the granting of subsidies. ²

² It grants, by a simple federal order, for a period of four years, the appropriations intended for the payment of allowances which have been granted provisionally under the provisions of Art. 13, para. 6, of the Act of 5 October 1990 on subsidies ³ .

³ It shall vote on a multi-year commitment credit to which the Confederation may grant a guarantee in accordance with Art. 64 A .

¹ Unduly received federal benefits must be returned. The same applies when a facility or equipment is diverted from its first assignment.

² The right of the Confederation to require restitution is prescribed for five years from the day on which it was born.

The appeal procedure is governed by the general provisions of the federal procedure.

¹ The Office shall have the power to use all remedies provided for under federal law and the cantonal law against decisions of cantonal authorities pursuant to this Act or its implementing provisions.

² ... ²

¹ If the execution of this Law so requires and a willing buyer is not possible, the cantons may order land regrouping. The Confederation and the cantons may acquire the necessary rights by means of expropriation. They may transfer the right of expropriation to third parties.

² The expropriation procedure becomes applicable only if it has not been possible to achieve the objective pursued by means of a willing buyer or land consolidation.

³ In their implementing provisions, the cantons may declare applicable the Federal Act of 20 June 1930 on expropriation ² And provide that:

A.

The cantonal government rules on unresolved objections;

B.

The President of the Federal Basis of Estimate may authorize the application of the summary procedure where it is possible to determine exactly who is affected by the expropriation.

⁴ Federal legislation on expropriation applies to works on the territory of several cantons. The Federal Department of the Environment, Transport, Energy and Communication decides on expropriations.

⁵ Any surface used in the area reserved for the waters shall remain, to the extent possible, in the possession of the farmer. It is considered a surface for the promotion of biodiversity. ³

The Federal Law of 8 October 1971 on the Protection of Water against Pollution ¹ (Water Protection Act) is repealed.

... ¹

¹ This Act is subject to an optional referendum.

² The Federal Council shall fix the date of entry into force.