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Shallow Injection
Wells (Class V)
The wells in this class are as diverse as they are similar. This category
came about after all the easy definable wells were put into classes I
through IV. In general, EPA did not have definite information on these
wells when it published the UIC regulations in the late 1970s. This classification
includes large septic tanks as well as very sophisticated experimental
wells.
-
 Class V Final Determination
EPA is announcing a final determination for all sub-classes of Class
V injection wells not included in a 1999 rulemaking (64 FR 68546).
The Agency has determined that additional federal requirements are
not needed for these wells at this time, and existing federal underground
injection control (UIC) regulations are adequate to prevent Class
V injection wells from endangering underground sources of drinking
water. EPA proposed this determination in May 2001 (60 FR 22971).
The final determination is based on the Agency’s evaluation of
existing data collected for The Class V Underground Injection Control
Study (EPA/816-R-99-014), additional sources of information found
in the public docket, and public comment on the proposed determination.
- How a shallow disposal system
on your property affects you
This website will help owners and operators of Class V wells understand
and comply with the minimum federal requirements for all Class V
wells. Pages with the new minimum federal requirements for motor
vehicle waste disposal wells and large capacity cesspools (Class
V Rule) have information on how to determine if an operator has
a motor vehicle waste disposal well or large capacity cesspool,
and how to comply with the new minimum federal requirements. The
site also includes links to: the source water page; state and regional
contacts for the UIC Program and the Source Water Program; the fact
sheets developed for the well types in the study; and other helpful
websites.
- Class V Regulation and Implementation:
(December, 1999) The rule sets new requirements for two types of Class
V wells: large-capacity cesspools and motor vehicle waste disposal
wells
- National Study of Class V wells (September,
1999): a comprehensive national study of 22 types of Class V wells
- NDWAC
Working Group on UIC and Source Water Protection
- Videos about Class V injection wells:
EPA has developed two videos that describe contamination problems
that can result from Class V wells and how communities and businesses
can prevent problems from occurring.
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