Tag Archives: Hydrologic Unit Code

Vegetative Buffer Encroachment on Mud Swamp Creek for Valdosta Old Clyattville Road Widening 2023-10-19

Valdosta’s widening of Old Clyattville Road will affect a drainage ditch out of the SAFT America battery plant on Gil Harbin Road, which is currently hiring. The drainage ditch goes into Mud Swamp Creek, which joins Grand Bay Creek east of Valdosta to form the Alaphoochee River, which flows into the Alapaha River just across the GA-FL line, and then into the Suwannee River.

The project will require mitigation bank credits, probably from the Cherry Creek Mitigation Bank, half of which was previously denied deannexation by the Valdosta Mayor and Council. The city hired TTL to do most of the application work, and apparently also Lovell Engineering Associates to plan the actual road work.

WWALS did not file any comments with GA-EPD, because we did not find any irregularities in the actual project. We did find some interesting tidbits in the application, such as a historic cemetery, railroad, and archaeological sites.

[Collage of Valdosta application for Vegetative Buffer Encroachment on Mud Swamp Creek for Clyattville Road Widening]
Collage of Valdosta application for Vegetative Buffer Encroachment on Mud Swamp Creek for Clyattville Road Widening

Also, the USGS Hydrologic Unit Code (HUC) boundary for the Upper Mud Swamp (HUC 031103021001) is incorrect. We may contact USGS about that. Continue reading

Okefenokee Swamp watershed boundaries 2015-08-01

Where is the divide in the Okefenokee Swamp between the Suwannee and St. Marys River Basins?

Here are some more maps that do not resolve that question.

For better resolution, advice from a qualified hydrologist is needed.

For reaching the likely divide area by water or land, it appears there are no open paths. Which doesn’t mean it can’t be done, just that it would be difficult.

Meanwhile, you can help stop the proposed titanium strip mine far too near the Okefenokee Swamp:
https://wwals.net/issues/titanium

[Basins and HUC10s, Okefenokee Swamp]
Basins and HUC10s, Okefenokee Swamp

Thanks to Mike Lusk, Manager of the Okefenokee National Wildlife Refuge (ONWR), for sending me the Water Resource Inventory and Assessment: Okefenokee National Wildlife Refuge, USFWS, August 2015.

It contains this interesting map of sub-basins of the Okefenokee Swamp, which shows Continue reading

Vickers Branch and Hahira LAS 2020-05-11

How is the mysterious Vickers Branch south of Hahira related to the Hahira Land Application Site? What is that creek the rest of that LAS is on? And what does all this have to do with Lowndes County’s new IMPAIRED WATERS MONITORING AND IMPLEMENTATION PLAN? Why do we care about all this for the Withlacoochee and Little River Water Trail?

About six weeks ago, the bridge on Old US 41 North just south of Hahira broke and Lowndes County fixed it. Revealing that nobody knew a name for it. Except Phillip Williams, who says, “Some maps show it as Vickers Branch. The Vickers family were the ones who owned most of the land in the area back in the 1800s.”

[Map: Vickers Branch, Hahira LAS]
Map: Vickers Branch, Hahira LAS
in the WWALS map of the Withlacoochee and Little River Water Trail (WLRWT).

The Vickers Branch Bridge marker south of Hahira looks slightly too far south, but it’s where google street view and aerials show the bridge. It seems that the USGS stream trace I used in this map is not quite right.

[Photo: Lowndes EMA, of broken Vickers Branch Bridge]
Photo: Lowndes EMA, of broken Vickers Branch Bridge

Upstream of that Vickers Branch US 41 bridge, several branches or runs that drain quite an area. I have named them after Continue reading

WWALS Watersheds google map

Update 2020-01-25: Superseded by WWALS Suwannee River Basin Map and All Landings in the Suwannee River Basin, now that Suwannee Riverkeeper territory includes the entire Basin plus Estuary, since Waterkeeper Alliance agreed to add the Ichetucknee and Santa Fe Rivers on September 26, 2019.

Update 2017-10-30: River flowlines.
Update 2017-10-08: Better colors plus a Suwannee River Basin map.
Update 2017-04-13: Since December 2016 WWALS Watersheds have included the Lower Suwannee River HUC 03110205 and the Suwannee River Estuary, approved by Waterkeeper Alliance the same time as the license for Suwannee RIVERKEEPER®.

Small, WWALS Watersheds Map Legend

Click on this link for an interactive google map of WWALS watersheds.

The images you see here are static screenshots of that google map. Follow the link above for the actual google map.

The watershed outlines are from Continue reading