| Study |
Number
of sites
or wells |
Activity |
| Surface Water Trends |
4 |
Weekly to monthly sampling of field
parameters, sulfide, chloride, nutrients,
pesticides, volatile organic compounds,
radon, trace metals, suspended sediment
in water; annual sampling for algae,
invertebrates, fish, habitat; continuous
measurement of streamflow, temperature,
specific conductivity. |
| Castle Hayne Aquifer |
30 |
One sample collected for field parameters,
major ions, nutrients, pesticides, volatile
organic compounds, bacteria, radon,
trace metals; water-level measured during
sampling. |
| Agricultural Land-Use Study |
25 |
One sample collected for field parameters,
major ions, pesticides, nutrients, age-dating;
water-level measured during sampling. |
| Flow-System Study |
15 |
One sample collected for field parameters,
pesticides, nutrients, age-dating; water-level
measured during sampling. |
| Mercury National Assessment |
8 |
One sample for mercury in sediment,
water, fish tissue; sulfate, suspended
sediment, organic carbon in water. |
|
Drinking Water Source Assessment |
1 |
Weekly to monthly sampling for field
parameters, nutrients, pesticides, volatile
organic compounds, organic carbon, bacteria,
fuel oxygenate degradates/by-products,
wastewater tracers. |
| Urban Land-Use Study |
30 |
Bimonthly sampling at 10 sites and 2
synoptic samplings at 30 sites for field
parameters, sulfide, chloride, nutrients,
pesticides, trace metals, sediment,
wastewater tracers in water, bacteria;
synoptic sampling for algae, invertebrates,
fish, habitat; continuous measurement
of stage and temperature; semi-permeable
membrane devices analyzed for toxicity. |
| SPARROW |
44 |
SPAtially Referenced Regressions On
Watershed attributes. A nutrient model
for the Tar, Neuse, and Cape Fear River
basins. |