902 KAR 115:010. Water fluoridation for the protection of dental health

Link to law: http://www.lrc.ky.gov/kar/902/115/010.htm
Published: 2015

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      902 KAR 115:010. Water fluoridation

for the protection of dental health.



TO: KRS Chapter 211


AUTHORITY: KRS 194A.050(1), 211.090(3), 211.180(1), 211.190(11)


FUNCTION, AND CONFORMITY: KRS 211.190(11) requires the Cabinet for Health and

Family Services to provide public health services that include water

fluoridation programs for the protection of dental health. This administrative

regulation establishes the requirements for the programs.



1. Definitions. (1) "Cabinet" is defined by KRS 194A.005(1).


"Consecutive supply" means a supply that purchases its water from

another water system.



2. Community Implementation. The population served by a water system includes

its own population and the population served by its consecutive supplies. (1) A

water system serving a community population of 3,000 or more, including consecutive

supplies, shall adjust fluoride-deficient waters to protect the dental health

of the people served by the supply.


A water system serving a population between 1,500 and 3,000 shall provide

supplemental fluoridation only if adequate fluoride feed equipment is available

from the cabinet, Department for Public Health.


Although not required to provide supplemental fluoridation, a water system

serving a population of less than 1,500 that chooses to provide supplemental

fluoridation shall do so only if:


Adequate fluoride feed equipment is available from the cabinet, Department for Public

Health; and


There are competently trained or certified personnel at the water system.



3. Approval. A water system shall obtain the written approval of the cabinet

before adding fluoride to a public water system, pursuant to Section 5 of this

administrative regulation.



4. Equipment, Facilities, and Services. The equipment, facilities, and services

shall meet the requirements set forth in this section.


Feeding. Feeding equipment with an accuracy within five (5) percent shall be

provided to feed the optimal dosage of fluoride.


The rate of feed shall give a fluoride content operating tolerance range between

six-tenths (0.6) ppm and one and two-tenths (1.2) ppm in the treated water,

with an optimal concentration of seven-tenths (0.7) ppm.


The point of application shall be selected so that fluoride is evenly mixed

with the water leaving the treatment plant.


Method of measurement.


Saturator tanks. If solution feed equipment is used, the water plant shall have

a corrosion-resistant solution tank and an accurate means for weighing the

stock chemical (fluoride) available. A metering device for measuring the water

for the solution shall also be used.


Dry feed hoppers. Dry feed hoppers shall be mounted on scales.


Acid systems (H2SiF6). Scales shall be available to

measure the weight loss each day or a volumetric method of measuring the amount

of acid being used each day shall be used.


Protection of operator. Precautions shall be taken to protect the operators.

Precautions shall include:


An approved respirator;


Approved rubber gloves;


An eye shield;


An apron; and


An exhaust or ventilation system for all fluoride feeding equipment.


Storage. Separate storage areas shall be used for all fluoride chemicals.


Laboratory facilities. Laboratory facilities shall be used for the

determination of the fluoride content of the water by personnel in accordance

with the current standards published by the American Public Health Association,

the American Water Works Association, and the Water Pollution Control



Samples. Raw water and plant tap water samples shall be examined at least once

per day and the results shall be included on the monthly operation report

submitted to the Energy and Environment Cabinet in accordance with 401 KAR



Additional finished water samples shall be analyzed by a laboratory certified

by the Energy and Environment Cabinet in accordance with 401 KAR 8:040 for

fluoride determination, with the results being forwarded by the water system to

the cabinet, Department for Public Health.


This sampling shall be at a rate of two (2) samples per month.


The first sample shall be collected from the plant tap during the first week of

the month and the second sample collected from the distribution system, at a

point of maximum retention, during the third week of the month.


Siphon breakers. Fluoride feeders shall be equipped with siphon breakers to

prevent back siphonage of concentrated fluoride solution into the distribution



Notification of cabinet when fluoride begins. The cabinet shall be notified of

the date on which fluoridation is to commence in order that a representative of

the cabinet may be present to calibrate and check the fluoridation equipment

and instruct the operating personnel concerning tests, records, operation, and

safety precautions.


Notice when fluoride is interrupted. The owner or operator of the water plant

shall immediately notify the cabinet of any interruption to the addition of

fluoride to the water supply.



5. Procedure for Obtaining Approval. A system shall submit to the cabinet:


Detailed plans showing the method and point of application of fluoride and

storage facilities for stock chemicals;


Information concerning technical supervision of the treatment process;


Information on the provisions for laboratory facilities; and


Evidence that the plant facilities and operation will provide for:


Control and supervision;


Safe operation and maintenance;


The keeping of operational records; and


Compliance with this administrative regulation and 401 KAR 8:010 through 401

KAR 8:700 relating to public water systems. (21

Ky.R. 816; eff. 9-21-1994; Am. 42 Ky.R. 145; 719; eff. 9-16-2015.)