Ohio Admin. Code 3745-7-03 - Public water system classification and staffing requirements
Each public water system or water treatment plant and
distribution system within a public water system shall be classified in
accordance with this rule, with the exception of transient noncommunity public
water systems using groundwater, without treatment for nitrate, arsenic or
4-log removal of viruses and serving
All systems classified under this rule shall provide the
minimum staffing required for that classification of
system in accordance with this rule.
(c) After a public water system or
water treatment plant and distribution system within a public water system is
classified in accordance with paragraph (A)(1) of this rule, if the director
changes the classification, the owner of the public water system or water
treatment plant shall have up to twelve months to meet the staffing
requirements in paragraph (C) of this rule for the new classification, provided
the owner or operator of the public water system or water treatment plant
ensure that the operator of record continues to meet previous staffing
requirements.
Table 1. Classification of class A, I, II, III, and IV public water systems
System characteristics |
Design flow* |
Classification |
|
1. |
Surface water treatment, excluding slow sand filtration |
More than 5.0 MGD |
Class IV |
5.0 MGD or less |
Class III |
||
2. |
Slow sand filtration surface water treatment |
All |
Class II |
3. |
Ground water treatment to remove any chemical contaminant with a maximum contaminant level (arsenic, nitrate, etc.) -or- precipitative softening ground water treatment |
More than 5.0 MGD |
Class III |
0.5 to 5.0 MGD |
Class II |
||
Less than 0.5 MGD |
Class I |
||
4. |
Ground water treatment for any contaminant with a secondary maximum contaminant level# or that only involves adding a disinfectant, but in either case excluding precipitative softening ground water treatment |
More than 5.0 MGD |
Class III |
2.5 to 5.0 MGD |
Class II |
||
Less than 2.5 MGD |
Class I |
||
5. |
Nontransient noncommunity groundwater treatment systems
|
Not applicable |
Class I |
6. |
A transient noncommunity groundwater system
|
Not applicable |
Class I |
7. |
A purchased water system that provides additional
treatment and |
Not applicable |
Class II |
8. |
A purchased water system that provides additional
treatment, does not meet the criteria in paragraph (10) of this table and
|
Not applicable |
Class I |
9. |
Public water systems meeting the criteria of paragraphs (10)(a) to (10)(c) but not paragraph (10)(d) of this table |
Not applicable |
Class I |
10. |
Public water systems meeting all of the following criteria: |
Not applicable |
Class A |
(a) Is a community or nontransient noncommunity public
water system that |
|||
(b) Uses only purchased water or a ground water source |
|||
(c) Does not provide precipitative softening or treat for a chemical contaminant with a maximum contaminant level or action level as defined in rule 3745-81-01 of the Administrative Code |
|||
(d) Has no serious public health or environmental hazard associated with the operation of the public water system |
* MGD = Million gallons per day
# "Secondary maximum contaminant level" is as defined in rule 3745-82-01 of the Administrative Code.
Table 2. Minimum staffing requirements for
an
System classification |
Staffing requirement |
Class A without treatment or only treating with a cartridge filter |
At least 30 minutes per week. |
Class A with treatment |
2 days per week for a minimum of 1 hour per week. |
Class I |
3 days per week for a minimum of 1.5 hours per week. |
Class II |
5 days per week for a minimum of 20 hours per week. |
Class III and IV |
5 days per week for a minimum of 40 hours per week. |
(a) An operator of record of a
distribution system shall not be required to meet the minimum staffing
requirements in paragraph (C)(1) of this rule.
Table 3. Reductions in minimum
|
|
|
|
|
Plant staffing at class III or IV water treatment plants |
There is another |
There is another |
There is another |
There is another |
Plant staffing at class II water treatment plants |
There is a class I |
There is a class I |
Not applicable |
Not applicable |
|
|
|
|
|
Table 4. Reductions in minimum
|
|
|
|
|
Automation or continuous monitoring at class II, III or IV plants |
The water treatment plant has supervisory control and
data acquisition ("SCADA") |
The water treatment plant is automated with continuous
monitoring |
The water treatment plant is automated with continuous
monitoring |
The water treatment plant is automated with continuous
monitoring |
The meters shall be calibrated in accordance with Ohio
environmental protection agency
In the event the calibration verification determines the
monitor is outside of acceptable limits, the public water system shall
immediately notify the Ohio environmental protection
agency, district office of the problem and return to having an owner's
representative visit the facility on a daily
basis
daily visits by an
All of the information required in paragraph (D)(3) of this rule, shall be documented in the facility's operation and maintenance records. In the event any of the following occur, the public water system shall return to having an owner's representative visit the facility on a daily basis:
(4) A limited class A operator holds
a facility-specific certificate and may not operate any other facilities or
transfer the certificate to a different facility.
[Comment: This rule incorporates the "Ohio EPA Laboratory
Manual for the Chemical Analyses of Drinking Water 2014" by reference. Copies
are available at www.epa.ohio.gov/ddagw/labs.aspx
Notes
Promulgated Under: 119.03
Statutory Authority: 6109.04
Rule Amplifies: 6109.04
Prior Effective Dates: 02/01/64, 04/17/86, 01/01/99, 02/12/01, 12/21/06, 02/23/12, 03/04/16
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