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DECREE NUMERO 475 OF 1998 (March 10) By which technical norms of quality of the drinkable water are sent off. The President of the Republic of Colombia, in exercise of the faculties conferred by the numeral 11 of the article 189 of the Political Constitution and, in development of the Laws 09 of 1979 and 142 of 1994 It DECREES: I SURRENDER I Definitions Article 1º. For the effects of the present decree, adóptanse the following definitions: Acceptable: Description that approves the characteristic organolépticas of the water For human consumption. Raw water: It is that that has not been submitted to process of processing. Water for human consumption: It Is that that is utilized in direct beverage and preparation of food for consumption. Drinkable water: Is that that by meeting the requisItos organolépticos, physical, chemical and microbiológicos, in the conditions indicated in the present decree, can be consumed for the human population without producing adverse effects to its health. Sure water: It is that that without complying some of the norms of potabilidad definite in the present decree, can be consumed without risk for the human health. Analysis of vulnerability: It is the study that permits to evaluate the potential risks to that are submitted the different components of a system of Supply of water. Analysis microbiológico of the water: They are those tests of laboratory that are performed to a sample to determine the presence or absence, type and quantity of microorganisms. Analysis organoléptico: For the end of the present decree It refers to smell, flavor and visual perception of substances and floating materials and/or suspended in the water. Waterphysical-chemist analysis: They are those tests of laboratory that are performed to a muesta to determine its chemical, physical characteristics or both. Environmental authority: Is the responsible for the caution, recovery, conservation, protection, code, management, use, aprovechamiento and control of the renewable natural residues and of the environment. Sanitary authority : Is the entidaD competent of the General System of Social Security (S.G.S.S.) with which exercises functions of caution of the sistenmas of supply of water in accordance with the norms, dispositions and contained criteria in the present decree, as well as the other aspects that have relation with the quality of the water for human consumption. Quality of the water: Is the assembly of characteristic organolépticas, physical, chemical and microbiológicas own of the water. Drinkable Water Regulation commission and Saneamiento Basic (CRA) : It is the ncargada to indicate the general politics of administration and control of efficiency of the home public utilities. Contamination of the water: It is the alteration of their characteristic organolépticas, physical, chemical, radioactive and microbiológicas, as result of the human activities or natural processes, that produce or can produce refusal, illness or death al consumer. Control of the quality of the drinkable water: They are the analyses organolépticos, physical, chemical and microbiológicos carried out al water in any point of the network of distribution with the purpose to guarantee the fulfillment of the dispositions established in the present decree. Criterion of quality of the drinkable water: It is the value established for the characteristics of the Water in the present decree, in order to conceptuar on its quality. Disaster: It is the damage or serious alteration of the normal conditions of life in a geographical area determined, caused by natural phenomena and by disastrous effects of the action of the man in accidental form or intencional, that require because of it of the special attention of the agencies of the State and of other companies of humane character or of social service. Emergency: It is the sudden and unexpected event that is presented in a water supply system for human consumption, as a result of technical failures, of operation, of design, of control or structural, that can be natural, accidental or caused that they alter its normal operation or the quality of the water, and quAnd they oblige to adopt immediate measures to minimize their consequences. Trial of tratabilidad: They are the studies performed to level of laboratory or of pilot plant, to a source of specific provision, to establish the potential of application dAnd a process of processing. Escherichia Strain, (AND-coli) : Bacillus aerobio gram-negative that does not produce spores, belongs the family of the enterobacteriáceas and is characterized for possessing the enzimas b - Galactosidasa and b - gluoroanidasa. Develops to 44 ± 0.5 ºC in complex media, ferments the lactose freeing acid and gas, produces indol from the triptófano and does not produce oxidasa. Source of provision: It is every resource of water utilized in a system of susministro of water. Group coliforme: Is the qeu understands all the bacteria gram Negative in bacillary form that ferments the lactose to temperature of 35 to 37ºC, producing acid and gas (CO2) in a time limit from 24 to 48 hours, aerobias or anaerobias optional, are oxidasa negative, do not form spores and pThey suffer activity enzimática of the b galactosidasa. Indicate coliforme: It is the quantity reckoned of microorganisms of group coliforme present encien cubic centimeters (100 cm3) Of water, whose result itself express in more probable terms of number (NMP) by the method of the multiple pipes and by the number of microorganisms in the method of the filter by membrane. Book or quality control registration: It is that where are noted, as a minimum, the following data: the results obtained of the analyses organolépticos, physical, chemical and microbiológicos of the water that supplies to the population according to the requests of the present decree, the quantity of water grasped and supplied and the quantity of chemical products utilized. LD 50: Deadly dose paRa the 50% of the agencies in experimentation. Limit of detection of an analytic method (LD) : Is the resultant value to multiply the standard deviation of a white one of reagents or witnesses by a constant one equal to 5.5. The ranks of reading of the analytic methods utilized for analysis of the water, should include al except the tenth splits of the admissible maximum value or that of reference. It shows composed of water: It is the integration of punctual samples taken to intervals planned and for periods specific, prepared from mexclas of equal or proportional volumes al flow during the period of takes of samples. It shows punctual of water: It is takes it exactly or place in a specific moment. Norm of quality of the drinkable water: Are the valPray of refrencia admissible for some present characteristics in the drinkable water, that provide a base to reckon its quality. Plan of basic attention -P.A.B.-: It is the assembly of activities, interventions and procedures, of promotion of the health, prevention of the illness, caution in public health and directed risk factors control to the colectividad. Operational plan of emergency: It is the procedure written that it permits the persons that lend the public utility of acueducto, to attend in effective form a situation of emergency. It plants of processing: It is the assembly of works, teams and necessary materials to perform the processes that permit to comply with the norms of quality of the drinkable water. It plants pilot: Is the model That it permits to simulate operciones, processes and conditions hydraulics of the plant of processing utilizing for this effect the water of the source of provision. Person that lends the public utility of acueducto: It is every person natual or legal that tien as an objective the installment of the public utility of acueducto with the complementary activities, according to it established in the state of the home public utilities, that complies its object through the planning, execution, operation, maintenance and administration of the system or of part of him, low you defined criteria of efficiency, cover and quality, established in the plans of managementResults. Population served: Is the number of persons supplied by a system of suministrOr of water. Polución of the water: Is the alteration of the characteristic organolépticas, physical, chemical or microbiológicas of the water as result of the human activities or natural processes. Drinkablewater supply system: Is the assembly of workS, teams and material utilized for the collecting, aducción, conduction, processing, storage and distribution of the drinkable water for human consumption. Superintendencia of Home public Utilities (SSPD) : Is the company responsible for the control, iNspección and caution of the persons that lend the home public utilities. Subscriber: Natural or legal person with which a contract of uniform conditions of public utilities has been celebrated. Floating substances: They are those materials that maintain itself in equilibrium in the surface of the water and that influence in its appearance. Processing: It is the assembly of operations and processes that are carried out on the raw water, in order to modifying its characteristic organolépticas, physical, chemical and microbiológicas, doing it drinkable according to the norms established in the prsente decree. User: Natural or legal person that is benefited with the installment of a public utility, well as proprietary of the real estate where this is lent, or as direct receiver of the service, to you go you last consumer is called also. Admissible value: It is the value established for the concentration of a component or substance, that guarantees that the water of human consumption does not represent risk for the Health of the consumer. Caution of the quality of the water: They are the activities carried out by the competent authorities to verify, to examine and to inspect the fulfillment of the norms of quality of the drinkable water established in the present decree. I SURRENDER II General dispositions Article 2º. The dispositions of the present decree are of public order and of obligatory fulfillment and with them are regulated the activities related to the quality of the drinkable water for human consumption. Article 3º. The water supplied by the person that lends the public utility of acueducto, should be apt for human consumption, independently of the characteristics of the raw water and of its origin. Parágrafo. The users propenderán by maintaining in adequate sanitary conditions the installations of distribution and storage of water for human consumption to level intradomiciliario. Article 4º. The persons that lend the public utility of acueducto, are the responsible for the fulfillment of the norms of quality of the drinkable water established in the present decree, and should guarantee the quality of the drinkable water, in every epoch and in any of the points that conform the system of distribution. Parágrafo. The persons that lend the public utility of acueducto, low normal conditions, they should guarantee their provision in continuity and pressure in the network of distribution, harmonious with the arranged thing in the plans of management and results (PGR), elaborate by the persons that lend the public utility of acueducto and approved by the Department of Economic Development, according to it stipulated in the Law 142 of 1994. Article 5º. For the effects of the article anterio, the responsibility of the persons that lend the public utility of acueducto, will be indicated according to the following criteria: a) In urban or rural zones, the responsibility will arrive to the places where they have themselves installed devices for regular or to measure the water consumed by the users; b) Not existing in zones urbAnas and rural the devices to that refers the literal previous one, the responsibility will arrive to the point where the tubing enter to the private property or to the registration or key in transit, that have placed the person that lends the public utility of acueducto as final point of the network of distribution, respectively. I SURRENDER III Norms organolépticas, physical, chemical and microbiológicas of the quality of the drinkable water Article 6º. The norms organolépticas, physical, chemical and microbiológicas of the quality of the drinkable water established in the present decree govern for all the national territory and should be complied in any point of the network of distribution of a drinkable water supply system. Norms of quality organolépticas, physical and chemical Article 7º. The criteria organolépticos and physicists of the quality of the drinkable water are the following: CARACTERISTICAS AFORESAID IN VALUE ADMISSIBLE True color Units of Platinum Coblato (UPC) <And