Virginia Administrative Code
Title 18 - PROFESSIONAL AND OCCUPATIONAL LICENSING
Agency 160 - BOARD FOR WATERWORKS AND WASTEWATER WORKS OPERATORS AND ONSITE SEWAGE SYSTEM PROFESSIONALS
Chapter 30 - WATERWORKS AND WASTEWATER WORKS OPERATORS LICENSING REGULATIONS
Part VI - Standards of Practice and Conduct
Section 18VAC160-30-370 - Waterworks
Universal Citation: 8 VA Admin Code 160-30-370
Current through Register Vol. 41, No. 3, September 23, 2024
A. A Class 6 waterworks licensee may operate any waterworks as follows:
1. A waterworks serving fewer than 400
persons that provides no treatment or employs one or more of the following
treatment processes:
(i) hypochlorination for
disinfection,
(ii) corrosion
control with calcite or magnesium oxide contactors or solution feed except with
caustic, or
(iii) sequestration by
solution feed; or
2. A
waterworks classified by VDH as a Class 6 waterworks.
B. A Class 5 waterworks licensee may operate any waterworks as follows:
1. A waterworks
serving 400 or more persons that provides no treatment or employs one or more
of the following treatment processes:
(i)
hypochlorination for disinfection,
(ii) corrosion control with calcite or
magnesium oxide contactors or solution feed except with caustic, or
(iii) sequestration by solution feed;
or
2. A waterworks
classified by VDH as a Class 5 waterworks.
C. A Class 4 waterworks licensee may operate any waterworks as follows:
1. A waterworks or
treatment facility serving fewer than 5,000 persons or having a treatment
facility capacity of less than 0.5 MGD and employing one or more of the
following:
(i) disinfection other than with
hypochlorination,
(ii) caustic soda
feed,
(iii) iron and manganese
removal,
(iv) ion exchange,
(v) slow sand filtration,
(vi) aeration,
(vii) rechlorination other than with
hypochlorination,
(viii) activated
carbon contactors,
(ix) membrane or
other filtration technologies without chemical coagulation, or
(x) fluoridation with a saturator;
or
2. A waterworks
classified by VDH as a Class 4 waterworks.
D. A Class 3 waterworks licensee may operate any waterworks as follows:
1. A waterworks or
treatment facility serving fewer than 5,000 persons or having a treatment
facility capacity less than 0.5 MGD, whichever is greater, and employing
conventional filtration or chemical coagulation in combination with membrane
filtration;
2. A waterworks or
treatment facility serving 5,000 or more persons or having a treatment facility
capacity of 0.5 MGD or more, whichever is greater, and employing one or more of
the following:
(i) disinfection other than
with hypochlorination,
(ii) caustic
soda feed,
(iii) iron and
manganese removal,
(iv) ion
exchange,
(v) slow sand
filtration,
(vi) aeration,
(vii) rechlorination other than
with hypochlorination,
(viii)
activated carbon contactors,
(ix)
membrane or other filtration technologies without chemical coagulation, or
(x) fluoridation with a saturator
or acid feed;
3. A
waterworks or treatment facility employing fluoridation with other than a
saturator not considered a Class 1 or Class 2 waterworks; or
4. A waterworks classified by VDH as a Class
3 waterworks.
E. A Class 2 waterworks licensee may operate any waterworks as follows:
1. A waterworks or treatment facility serving
5,000 or more persons but fewer than 50,000 persons or having a treatment
facility capacity of 0.5 MGD or more but less than 5.0 MGD, whichever range
applies, and employing rapid rate conventional filtration chemical coagulation
in combination with membrane filtration;
2. A waterworks or treatment facility serving
fewer than 50,000 persons or having a treatment facility capacity of less than
5.0 MGD employing high rate conventional filtration; or
3. A waterworks classified by the VDH as a
Class 2 waterworks.
F. A Class 1 waterworks licensee may operate any waterworks as follows:
1. A waterworks or treatment facility serving
50,000 or more persons or having a treatment facility capacity of 5.0 MGD or
more and employing conventional filtration or chemical coagulation in
combination with membrane filtration; or
2. A waterworks classified by VDH as a Class
1 waterworks.
Statutory Authority
§§ 54.1-201 and 54.1-2301 of the Code of Virginia.
Disclaimer: These regulations may not be the most recent version. Virginia may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google
Privacy Policy and
Terms of Service apply.