Code of Massachusetts Regulations
310 CMR - DEPARTMENT OF ENVIRONMENTAL PROTECTION
Title 310 CMR 19.000 - Solid Waste Management
Part II - LANDFILL DESIGN AND OPERATIONAL STANDARDS
Section 19.118 - Ground Water, Surface Water and Gas Monitoring Systems
Universal Citation: 310 CMR 19.000 MA Code of Regs 19.118
Current through Register 1531, September 27, 2024
(1) General Performance Standard. Any person conducting landfill activities shall install, operate and maintain a ground water monitoring system, surface water monitoring system and landfill gas monitoring system capable of detecting and quantifying the release of contaminants into the ground, ground water, surface water or the air.
(2) Ground Water Monitoring Systems.
(a)
Performance Standard. A ground water monitoring system
shall:
1. be capable of yielding
representative ground water samples for analysis; and
2. consist of a sufficient number of wells
properly located and screened at appropriate depths to detect the release of
contaminants from the landfill into the ground water.
(b)
Design
Standards. A ground water monitoring system shall:
1. at a minimum be composed of one monitoring
well or cluster of wells installed hydraulically upgradient from the limit of
the filled or proposed fill area capable of yielding ground water samples which
are representative of background ground water quality;
2. at a minimum be composed of three
monitoring wells, or clusters of wells, installed within 150 meters of filled
areas proposed to be filled or at the property boundary, whichever is less, and
located hydraulically downgradient from the limit of the filled areas or areas
proposed to be filled and capable of detecting contaminants that migrate from
the landfill to the ground water.
3. be composed of wells drilled by a person
licensed under Well Driller Regulations, 313 CMR 3.00:
4. be composed of wells constructed in a
manner, approved by the Department, that ensures the integrity of the
monitoring well and facilitates the collection of samples;
5. be composed of wells readily accessible to
sampling equipment and located so that they do not interfere with routine
facility operations; and
6. be
composed of wells designed with locking caps and secured to prevent tampering
with or vandalism.
(3) Surface Water Monitoring Systems
(a)
Performance Standard. Where required by the
Department, permanent surface water sampling location markers shall be
established upstream and downstream of the solid waste landfill facility in
sufficient numbers and locations to adequately represent surface waters flowing
through or past the facility.
(b)
Design Standard. All surface water sampling locations
shall be readily accessible to sampling equipment and located so that they do
not interfere with routine facility operations.
(4) Gas Monitoring Systems
(a)
Performance Standard. Gas monitoring wells for the
monitoring of explosive and other landfill gases shall be provided at all
landfills to determine if gas is migrating beyond the boundaries of the
landfill and shall:
1. be capable of yielding
representative air samples for analysis; and
2. consist of a sufficient number of wells
properly located to detect the presence and migration of landfill
gases.
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