How Healthy Are Our Watersheds? Ways to Protect Our Watersheds Stream Buffers Upper Thornton River Watershed Study
RappFLOW is a member of the Orion Grassroots Network
|
Report to Planning Commission on
|
Answer choice |
# out of 157 choosing |
b. quality of well water |
95 |
a. adequate supply of good drinking water |
83 |
h. bacterial contamination of stream water |
56 |
g. trash in the streams |
40 |
l. need to help clean up the Chesapeake Bay |
35 |
j. nutrients (nitrogen and phosphorus) in streams and ponds |
31 |
f. stream bank erosion |
30 |
k. loss of fish species in waterways |
26 |
e. sediment in streams and ponds |
19 |
d. floods |
18 |
c. sufficient water for livestock |
13 |
i. algae in ponds |
7 |
Are there differences among the 13 subwatersheds with regard to the issues? Determine this by analyzing the responses to question 7 within subwatershed of respondent. Then check statistical significance of the differences.
The survey offers 19 threats to the watershed, and asks respondents to choose the THREE that concern them the most. The three threats of most concern to the most people include: Population growth (32%); Subdivision of land parcels (32%); and Public sewage treatment plant discharge to streams (29%). More than a third of respondents to question 7 said that “bacterial contamination of stream water” is a major issue, but fewer than 10% said in question 8 that livestock in streams and ponds is a major concern to them, and lack of forested buffers along streams and ponds is a most important threat to only 17 respondents.
The first 157 respondents answered question 8 as follows:
m. subdivision of land parcels |
51 |
l. population growth |
50 |
b. public sewage treatment plant discharge to stream |
45 |
e. pesticides and herbicides |
41 |
a. septic tanks & other private sewage disposal |
31 |
k. commercial development |
27 |
g. loss of farms |
25 |
n. agricultural runoff (nutrients) |
21 |
s. invasive species |
20 |
c. erosion and sedimentation from driveways and private roads |
20 |
i. conversion of forests to other land uses |
19 |
p. lack of forested buffers along streams and ponds |
17 |
f. livestock in streams and ponds |
16 |
d. stormwater runoff |
15 |
h. clear cutting of forests |
15 |
j. traffic |
11 |
q. stream bank erosion |
11 |
o. residential runoff (nutrients) |
6 |
r. wildlife in streams and ponds |
3 |
The responses reveal a need and opportunity for education regarding the relationships between riparian buffers and those issues that most concern people, such as clean and plentiful drinking water and bacterial contamination of stream water. The major concerns about population growth and land subdivision provide good opportunities for public education about conservation tools such as easements. The major concern about public sewage treatment plant effluent to stream, in contrast to low concern about lack of riparian buffers, provides good opportunities for education regarding STP effluent versus impact of land use practices.
Do we support public expenditures on watershed protection and restoration?
“I support expenditures of public money on watershed protection and restoration.” This statement was answered by 144 respondents. Of these, 92 percent answered “yes.”
The survey offers 18 possible individual and community efforts on watershed protection. Respondents checked all items they encourage. Nearly all (153) respondents to the survey checked at least one of these items. The following chart shows the number of respondents who encourage certain efforts that are now or might be supported by our county government. Ordinances and zoning were chosen by even more respondents than were education items. Cluster development was selected by fewer than a third of the respondents.
The following chart shows the number of respondents who encourage efforts typically undertaken by landowners, volunteers, or state agencies. Seventy-five percent (115) of respondents encourage conservation easements, which is consistent with the concerns about population growth and subdivision of land parcels in question 8.
The respondents to the survey represent a good spectrum of longevity in the county and size (acreage) of land holdings. We will check the representativeness of this sample through comparisons with other data sources, including the county real estate database.
The results will be tabulated by subwatershed, to see if there are patterns of participation, values, issues, threats that are specific to individual subwatersheds. Results by subwatershed will be incorporated into the Upper Thornton Watershed assessment.
We plan to write interpretive reports on the survey and publish them on the web and in the Rappahannock News.
RappFLOW leaders and volunteers will discuss the findings and their implications for our strategic plan and priorities for future work.
If the findings of this survey appear to warrant the investment, we may revise and improve the survey instrument and conduct the survey county wide.
We will make the survey instrument available to other similar communities in Virginia.
The surveys themselves are anonymous. However, about 80 respondents requested aerial photos of their property. We will follow up to invite them to participate in future watershed related activities.