Solinst Model 615 Drive-Point Piezometer
Features
- Affordable method to monitor shallow groundwater and soil vapor
- Attach to inexpensive 3/4" (20 mm) NPT steel drive pipe
- Can be used for permanent well points or short-term monitoring applications
| Image | Part# | Product Description | Price | Stock | Order | |
|---|---|---|---|---|---|---|
 | 100929 | Model 615 drive-point piezometer with barb, 6" | $66.00 | Usually ships in 1-2 weeks | ||
 | 102081 | Model 615 drive-point piezometer with barb, 12" | $92.00 | Usually ships in 1-2 weeks | ||
| Image | Part# | Product Description | Price | Stock | Order | |
|---|---|---|---|---|---|---|
| | 101069 | Model 615 stainless steel NPT extension, 1 ft. | $18.00 | Usually ships in 1-2 weeks | ||
| | 101070 | Model 615 stainless steel NPT extension, 2 ft. | $33.00 | Usually ships in 1-2 weeks | ||
| | 101071 | Model 615 stainless steel NPT extension, 3 ft. | $49.00 | Usually ships in 1-2 weeks | ||
| | 111147 | Model 615 stainless steel NPT coupling | $10.00 | Usually ships in 1-2 weeks | ||
 | 113470 | Model 615 reducer coupling, 1" to 3/4", set of 2 | $47.62 | Usually ships in 1-2 weeks | ||
| | 111148 | Model 615 Delrin NPT cap | $7.88 | Usually ships in 1-2 weeks | ||
| | 102174 | Model 615 manual slide hammer, 25 lb. | $182.00 | Usually ships in 1-2 weeks | ||
| | 102932 | Model 615 manual drive head assembly, includes drive head, tubing bypass & 2 ft. extension | $158.00 | Usually ships in 1-2 weeks | ||
The Solinst Model 615 Drive-Point Piezometer has a stainless steel, 50 mesh cylindrical filter-screen, within a 3/4" (20 mm) stainless steel drive-point body, screen support and a barbed fitting for attachment of sample tubing. Optional heavy-duty extension couplings are also available to create a strengthened and more rugged piezometer.
The inner barbed fitting allows connection of 5/8" OD x 1/2" ID (16 mm x 12 mm) LDPE or Teflon sample tubing. This prevents sample water from contacting the steel extension rods, and maintains high sample integrity, even when inexpensive carbon steel extensions are used.
The tubing barb connects 5/8" OD x 1/2" ID (16 mm x 12 mm) LDPE or Teflon sample tubing to the piezometer. This barbed fitting prevents sample water from coming in contact with the extension rods in order to maintain sample integrity. Piezometers without a tubing barb such as the 615N and 615NS are designed for use with water level meters.
All Solinst 615 Drive-point Piezometers are 3/4" in diameter with a 1" diameter tip. The shielded version includes an replaceable 1.5" diameter shield.
While the 615 Drive-Point Piezometers are commonly installed as permanent well points, they are reusable. However, if a shielded version (615S or 615SN) is used, the shield portion is single-use only and replacements are available.
Piezometers are not suitable for all soil types, so the depth limitation will vary. The maximum depth penetration of the 615 piezometer will depend on the soil conditions, shield use and drive method used (slide hammer or drill). The piezometer itself is 6 inches long.
In The News
New map shows significant groundwater depletion in Central California
Groundwater level data collected by a Central California county shows significant drops during the past 12 years, according to a San Luis Obispo Tribune article. Data shows that groundwater has dropped by a minimum of 70 feet from 1997 to 2009 in the Paso Robles area of Central California. In the past four years the areas of most significant decline have expanded north and south. Drought and agricultural withdrawals are the likely culprits for the groundwater decline. Some advocates are calling for more responsible water use by vineyards in the area, while farmers note that the recent drought did not help the situation.
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Diatoms dominate Muskegon Lake in a cold and rainy year
Climate change-driven volatility is changing lakes at the base of their food webs. That’s one way to interpret new research that documented such a change in Muskegon Lake on the coast of Lake Michigan. Researchers found that, in one particularly rainy and cool year, normal phytoplankton diversity and patterns were cast aside. Instead, one group of algae dominated the entire year, offering a glimpse into the kinds of surprising changes that could happen in the future. “Phytoplankton are a very responsive group of organisms,” said Jasmine Mancuso, whose research detailing the change in the lake was published in October in Journal of Great Lakes Research .
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In the Right Place All the Time: Greenhouse Gas Research and NTL-LTER
While researchers all over the globe have been studying greenhouse gases, there are still some areas in the field that have not received as much attention as they deserve. Emily Stanley, professor in the department of integrative biology at the University of Wisconsin and principal investigator for North Temperate Lakes Long Term Ecological Research (NTL-LTER), has spent a significant part of her career exploring a few of them. “Clearly we have a problem with greenhouse gases. What people may not realize is that streams and lakes are hotspots of global methane and CO2. Understanding greenhouse gas dynamics in these systems is important because they are vents all over the world and they are not insignificant,” said Stanley.
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