Grant Projects
Jefferson County Drainage District No. 6 actively pursues grant funding from both Federal and State sources which are administered through multiple governmental funding agencies. Grant projects are critical to meeting the long-term infrastructural needs throughout the District. Grant projects are typically large-scale high dollar projects which have a clear focus on Disaster Recovery and/or Mitigating future flood damage while fortifying the overall infrastructure within the District.
Projects for Consideration |
Total Estimated Cost |
| Channel 100-A Concrete Repair Project– TWDB, TDEM or FEMA | $39,570,866.00 |
| Fannin Street Diversion Project – TDEM, FEMA, or GLO |
$48,322,939.24 |
| Needmore Diversion Channel Sediment Source Investigation PAS Study–USACE | $160,000.00 |
| South Park River Diversion Project – GLO | $49,000,000.00 |
| Tyrrell Park Detention II – GLO | $ 49,380,000.00 |
| Tevis River Diversion Project – GLO | $ 97,985,530.00 |
| Virginia Street Detention Project –TWDB, TDEM or FEMA | $9,788,606.00 |
Projects in Design Phase |
Total Estimated Cost |
| (RFI) Ditch 505 Community Flood Control Detention Project TWDB-FMA 2020 | $13,517,678.00 |
| (RFI) Ditch 600 Community Flood Control East China Relief TWDB- FMA 2020 | $2,853,160.00 |
| Bayou Din Detention Project– TDEM or FEMA | $78,891,780.97 |
| Blanchette River Diversion Project – GLO | $ 99,745,950.00 |
| Borley Heights Relief Project – TDEM or FEMA | $3,567,752.00 |
| Delaware Street Detention Project –TWDB, TDEM or FEMA | $12,078,948.00 |
| (RFI) Southern Nome Community Flood Control Project TWDB- FMA 2020 | $2,286,770.00 |
Projects in Construction Phase |
Total Estimated Cost |
| Amelia Cutoff FMA Community Flood Mitigation Project- TWDB-FMA 2018 | $4,246,000.00 |
| Ditch 107 Rehabilitation Project – GLO- CDBG-DR (Jeff. Co. Harvey) | $958,000.00 |
| Jefferson County DD6 Regional Watershed Plan-TWDB-FIF 2020 | $8,500,000.00 |
| McLean Street Drainage Community Flood Mitigation Project- TWDB-FMA 2018 | $4,040,580.00 |
| South China Relief Drainage Flood Mitigation Project Phase II– TDEM-HMGP 2018 | $6,615,544.00 |
| Taylor’s Bayou Drainage Improvements – GLO- CDBG-DR (Jeff. Co. Harvey) | $2,500,860.00 |
Completed Projects |
Total Estimated Cost |
| “Byrd Gully Drainage Improvements Community Flood Mitigation – FMA | $1,737,407.48 |
| Elinor Street Project Community Flood Mitigation – FMA | $1,227,810.86 |
| Ditch 110-B Rehabilitation Project – GLO- CDBG-DR (Jeff. Co. Harvey) | $696,000.00 |
| Ditch 609- South China Relief Project Phase I- HMGP |
Bayou din detention Project
The Bayou Din Detention Basin Project is a drainage project that will help relieve flooding in the areas of Fannett, Texas known as Green Acres, Cheek, Winzer Road area, Bayou Din Drive area, Grand Oak Estates, and other surrounding areas. This project will also provide flood relief for the Goodyear Tire and Rubber plant, which is one of the major industries in Jefferson County. The areas mentioned herein suffered severe and repetitive home and structure flooding in the past; including the 2017 Harvey storm and the 2019 Imelda storm. The detention basin to be excavated will provide storage volume that will reduce flow rates and volume downstream of Bayou Din and its receiving stream; Hillebrandt Bayou. The Hillebrandt Bayou Watershed above Hwy‐365 will benefit from this project due to the decrease in flow caused by the detention of floodwaters. In addition to the benefits caused by detention, flood reduction will be accomplished by channel and crossing improvements on the channels that feed into the detention basin. The channels to be improved as part of this project are Bayou Din (Ditch No. 400), Kidd Gully (Ditch No. 406), Kidd Ditch (Ditch No. 406‐B), and an unnamed tributary (Ditch No. 407). Portions of Ditch Nos. 407 and 400 will be rerouted in order to avoid excavation through environmentally sensitive areas.
Blanchette river diversion project
The Blanchette Diversion Project is a drainage project that will provide flood relief to an area of Beaumont, Texas that is bounded by College Street on the north, IH‐10 on the west, the LNVA Port Arthur Canal on the south, and the Neches River on the east. The majority of the drainage area currently flows westerly through a system of underground culverts and open ditches to Hillebrandt Bayou. Since Hillebrandt Bayou is already overwhelmed with stormwater and is not capable of absorbing additional flow, this runoff will be directed easterly to the Neches River through double runs of 12‐ft x 10‐ft concrete box culverts under existing city streets. Due to its relative size, this diverted flow will have no effect on the Neches River. The route of this project will intersect existing underground infrastructure, which will be connected to the new system so runoff may freely flow from the existing systems to the new system and eventually to the Neches River
Borley heights relief project
This is a drainage project that will address shallow and moderate home flooding. The Borley Heights Addition drains into a tributary of Griffing Ditch through a single box culvert under the Lower Neches Valley Authority (LNVA) Beaumont Irrigation canal (BI Canal). When an extremely heavy and widespread rainfall occurs, such as during Tropical Storm Harvey which inundated the entire Pine Island Bayou Watershed with 40+ inches of rain, Pine Island Bayou will back up Griffing Ditch and into Borley Heights. The BI Canal levees are constructed eight feet above ground, thereby causing blockage to sheet flow out of the Borley Heights Addition. Since there only exists a single outfall culvert, the flood runoff must flow along the canal levee in small weep ditches from the flooded streets to the outfall. This problem will be eliminated by this project by constructing a new canal crossing at each street, which will be adequately sized to properly drain the streets under the BI Canal. Each of these canal crossings will be fitted with one-way flap gates at the downstream ends of the culverts to prevent backflow. In order to convey the flood flows from the new culverts successfully into Griffing Ditch, a new channel will be constructed along the BI Canal at the receiving end of the culverts that will flow into an existing channel that will also be improved by this project. Two conveyance channels will be enlarged, and concrete lined to convey the floodwaters efficiently to the newly constructed culverts.
Channel 100-A concrete repair project
Jefferson County Drainage District No. 6 Channel 100-A is generally described as being a concrete lined drainage channel approximately 15,075 linear feet in length paralleling the Interstate-10 corridor from Texas State Highway 69 to Sparrow Way. Channel 100-A was constructed in numerous phases with the last major construction project being performed by the Texas State Highway Department in 1958. The channel was designed with a flat bottom width of up to 100 linear feet and concrete lined side slopes varying from 2:1 to 3:1. This channel currently exhibits numerous structural failures in the concrete lining which has subsequently resulted in significant failures of the earthen embankment. These failures result in flow restrictions within the channel and reduce the carrying capacity of the drainage system. The proposed project is intended to restore sections of compromised channel embankment and replace failed sections concrete riprap with properly reinforced concrete channel lining. The proposed improvements will remove restrictions within the channel and restore flood carrying capacity.
AMELIA CUTOFF FMA Community Flood Mitigation Project
The Scope of work is to construct a diversion/detention channel that will re-direct half of the flood away from the Amelia Cutoff flume structure. Construction of the channel will involve the purchase of a 140-ft right-of-way and also a 50-acre fill site. A 10-ft deep channel with 4:1 side slopes and a 10-ft wide bottom will be excavated from the Amelia Cutoff along the north side of the LNVA Canal, 8,320 feet to an existing detention basin that flows into the Hillebrandt Oxbow Channel. Five crossings will be constructed by installing a double run of 10-ft x 10-ft precast boxes at each crossing. Six-inch thick, reinforced concrete slope paving will be constructed at the entrance and exit of each crossing. Downspouts, i.e., 24inch culverts, will be installed to drain the adjacent property into the main channel.
DELAWARE street detention project
The Delaware Street Detention Project is intended to divert flow from main stem Hillebrandt Bayou into large sub-regional detention basins. The detention basins provide increased capacity to the system and critical storage during extreme rainfall events where Hillebrandt Bayou is overwhelmed. The additional storage allows for Hillebrandt Bayout to divert water near Delaware Street so that contributing drainage areas have a better opportunity to drain out. The proposed detention facilities and storm sewer improvement are intended to provide relief to Hillebrandt Bayou and free up capacity in the channels that the neighborhoods can drain to. The proposed improvements in the Delaware Detention Project include two detention ponds near Delaware Street that outfall to DD6 ditch 121 and Hillebrandt Bayou. This improvement operates as a diversion system for Hillebrandt Bayou by directing flow through proposed triple 8’ x 6’ RCBs to the west along Delaware Street. The improvement forks off into the first detention pond near Valmont Avenue which provides approximately 188 acre-ft of storage capacity before its outfall through a 48” RCP back into Hillebrandt Bayou. Additionally, starting at the entrance into the first basin, the second portion of the improvement continues along Delaware Street through a proposed 8’x5’ RCB. This improvement ties into the Delaware Street and DD6 channel 121-A existing crossing. The second proposed detention pond provides approximately 20 acre-feet of detention near Delaware Street before its outfall into channel 121 via 48” RCP. This improvement includes approximately 6,700 linear feet of storm sewer upgrades to provide a significant increase in storm sewer storage capacity. The total inundated area for this proposed alignment is reduced by 11% for the 25-year, 24-hour storm event. The depth reduction provided by the improvements in the project area range from 0.25 to 0.8 feet.
ditch 505 community flood control detention project
The Ditch 505 Detention Project is a drainage project that will address shallow and moderate home flooding that has and will continue to get worse if not addressed. Ditch 505 is a tributary of Taylors Bayou and is the main outfall for the community of Fannett, Texas. The size of ditch 505 is inadequate to convey flood flows without structure flooding occurring. Due to limited downstream capacity in Taylors Bayou as well as environmentally sensitive areas outside ditch 505, significant enlargement to ditch 505 to convey the flows is not an option. Detaining the runoff from the upland areas is the solution. A very large farm area, primarily pasture, lies in an ideal location for a detention basin and lies at the confluence of ditch 505 and another major tributary ditch 505B. Seventy percent of the total ditch 505 watershed lies above this confluence. An excavated detention basin was sized and designed to be cost beneficial and provide significant flood relief both upstream and downstream from the basin. 1681-acre feet of excess runoff will be stored in the basin during the ATLAS14 100-year theoretical event. The outfall for the basin is designed to limit the release so that ditch 505 may more adequately handle the flows it realizes, thereby relieving flooding downstream from the basin where most of the benefit structures lie.
ditch 600 community flood control east china relief
The East China Relief Project is a drainage project that will address shallow and moderate home flooding that has and will continue to occur if not addressed. The main outfall for the east side of China, Texas is Green Pond Gully also known as Jefferson County Drainage, District No.6 (JCDD6) Ditch 600. Ditch 600 as existing is not adequate to conveyflood flows out of China without structure flooding occurring. Ditch 600 has been enlarged by a previous project with help from an FMA grant to a point approximately 2.5 miles downstream from its source in China. The East China relief project will continue the improvements upstream from the previous project 2.5 miles upstream into China and provide detention volume just downstream from China to regulate the Atlas 14 flows and decrease the downstream flows, and water surface elevations. The County Road known as Turner Rd. crosses ditch 600 and will be enlarged. The ditch 600 crossing of the Lower Neches Valley Authority (LNVA) Beaumont Irrigation (BI) canal will be improved by excavating an enlarged a trapezoidal channel under the existing flume structural armoring the bottom and side slopes to provide improved flow characteristics. The calculated required detention volume (447 Ac-ft) to accomplish the desired results will be achieved by excavation of a linear detention basin along the south side of the existing ditch 600 from China the BI canal; an additional detention basin will be excavated in a field next to the BI canal. The excess excavated material will be spread in the higher ground nearby. Concrete matts or cast in place concrete will be constructed in key areas to control erosion. Downspouts will be installed to deliver runoff from the fields into ditch 600 and the new detention basin. All disturbed areas will be shaped and seeded with natural grasses.
Southern Nome Community Flood Control Relief Project
The Southern Nome Relief Project is a drainage project that will address shallow and moderate home flooding that has and will continue occur if not addressed. The existing drainage infrastructure is inadequate to convey flood flows from the area created by the intense rainfall that is often experienced. The small roadside drain swales carry only a fraction of the run-off which results in overland flow following the flat terrain of the land which causes home flooding and impassible streets. The streets are also damaged from frequent inundation. As existing, there is no outfall of adequate depth or capacity to make improvements to the roadside swales. The solution to adequately convey the flood waters caused by heavy rains which fall in Nome is to create adequate outfall ditches out of the improved outfalls. The area roadside ditches can then be improved to deliver runoff to these culverts. The receiving streams for the Nome outfalls are Drainage District 6 ditches 804-D and 804-B, which will be improved and, in some cases, re-routed to handle the additional flows. This two ditches flow around the Lower Neches Valley Authority (LNVA) Main Canal which is an above ground irrigation water supply channel. The storm flow passes under the canal through inadequate culverts that will be enlarged as part of the project. Additionally, most of the flow from ditch 804-D will be redirected westerly, so only the canal crossing of 804-D will require enlarging. The canal crossing of ditch 804-B will remain active as existing; however, improvement of the crossing would be difficult and expensive due to its proximity to state Highway 365 at the Nome water treatment plant. The final downstream component of the project is a detention basin downstream of the improved LNVA crossing which it is designed to store a volume of storm water and regulate out flow so that the receiving stream will see lower flowrates after that improvement are completed. The ground elevation at the detention basin location downstream from the canal is significantly lower (3 feet) than Nome and the land upstream of the canal. Therefore, a large volume of storage can be accomplished with excavation below ground as well as constructing berms to store water above ground.
Catch basins, inlets and junction boxes will be installed in the town of Nome as well as the new culverts placed under the roadways. Additionally, road ditch re-grading will be accomplished to improve local runoff. The existing drainage outfalls will be improved, and new earthen channels excavated to direct and convey the run-off to the new detention basin. The freshwater canal crossing will be enlarged with the cooperation of the LNVA by damming the canal temporarily and open cutting the canal to lay the new culverts. Easements or property will be acquired for the ditch improvements and the detention basin. Concrete mats or cast in place concrete will be constructed in key areas to control erosion. Downspouts will be installed to deliver run-off from the fields to the drain ditches. All disturbed areas will be shaped and then seeded with native grasses. Excess excavated material will be hauled to upland fill sites, shaped to drain seeded.
JEFFERSON COUNTY DD6 REGIONAL WATERSHED PLAN
The study will update previous study efforts for Taylor’s Bayou and Hillebrandt Bayou and will develop a new study for the Pine Island watershed. There has never been a comprehensive flood study of the Pine Island Watershed to show its impacts to its regional surroundings. The Cities of Beaumont, Bevil Oaks, Lumberton, Sour Lake, China, and others along the outlying communities, including Pinewood, Countrywood, and others have suffered multiple catastrophic flood events with no proposed solutions or costs. The study will develop new existing condition models using the latest modeling techniques (HEC-RAS 5.0.7 coupled 1C/2D models) and the most current and accurate data (2018 LiDAR, project collected survey and bathymetry). The detailed models will include all bridge and culvert crossings and will be calibrated to at least three recent storm events. The models will account for inter-basin transfers between watersheds using 2D zones and lateral weirs. The inter-basin transfer will include a review of the potential for overflow to occur from the Trinity River into the three primary study watersheds. Inter-basin transfer will also be evaluated between the Pine Island and both the Taylor and Hillebrandt Watersheds. Identified projects will be included in a detailed prioritization matrix that accounts for important factors, including a benefit-cost ratio and social and economic impacts.
FANNIN STREET DIVERSION Project
The Fannin Street Diversion Project will provide drainage relief to the benefit area by storing significantly more storm runoff within the proposed large diameter storm sewer system. The proposed sewer alignment will provide a new outfall location in the Neches River and reduce the amount of runoff volume that drains towards Hillebrandt Bayou tributary channels. The project provides lower ponding depths and mobility impacts are reduced along the low-lying eastern portion of the project area. The proposed improvements in the project area include dual 10’ x 7’ RCBs along South 4th Street beginning at Prairie Avenue. At Blanchette Street, the dual 10’ x 7’ RCBs connect to dual 10’ x 8’ RCBs and go along Fannin Street until Avenue A, where the dual 10’ x 8’ RCBs connect to triple 10’ x 10’ RCBs. ROW will need to be considered for this proposed improvement, because the triple 10’ x 10’ RCBs is proposed to have a railroad crossing along the alignment. The triple 10’ x 10’ RCBs ultimately discharge into the Neches River. RCPs ranging in size from 24” to 60” connect to the RCBs. Additionally, three 24” RCPs at 5th Street, 6th Street, and 7th Street drain into Jefferson County Drainage District 6 (DD6) channel 110-D. To provide better conveyance to DD6 channel 110, improvements to major roadway bridge and culvert crossings have been proposed at four locations. This improvement includes approximately 45,000 total linear feet of storm sewer upgrades and provides 83 acre-feet of additional storm sewer storage capacity that contributes to increased conveyance.
Needmore Diversion Channel Sediment Source Investigation PAS Study
The U.S. Army Corps of Engineers (USACE), Galveston District (SWG) has been engaged by Drainage District No. 6 (DD6) through the Planning Assistance to States (PAS) program to develop a sediment source/shoaling analysis for the Needmore Diversion Channel in Jefferson County, Texas. The study will assess the cause and investigate solutions of the shoaling at the mouth of the diversion with the Gulf Intercoastal Waterway (GIWW).
SOUTH PARK River DIVERSION ii
South Park Diversion is a stormwater improvement project located in the southeast portion of Beaumont to divert stormwater from the Hillebrandt Bayou Watershed directly east to the Neches River. The project will interconnect to the storm sewer systems along Florida Avenue and Jim Gilligan Avenue offering improved outfall conditions for stormwater systems. The western most reaches of the system will interconnect with the open channel and detention basins previously improved by Jefferson county Drainage District No. 6, to provide increased downstream capacity by discharging directly east to the Neches River. The proposed improvement project will include roadway reconstruction and utility adjustments, where necessary, along the new inlets. Generally, the project includes single, dual, or triple barrel storm sewer systems coupled with a flap gate backflow preventer at the Neches River to protect against high tailwaters.
Byrd Gully Drainage Improvements Community Flood Mitigation
This project will address shallow home flooding. The receiving stream for the runoff from the benefit area is Byrd Gully, a tributary of Pine Island Bayou. The project consists of both channel and crossing improvements on the upstream end of Byrd Gully. This channel has six crossings that are inadequate to carry the flows without the occurrence of some level of flooding. The primary cause of home flooding is the crossing of the LNVA BI Canal, which will be more than tripled in size. In addition to the crossings being enlarged, the channel side slopes will be laid back from 2:1 slopes to 3:1 slopes and slightly deepened.
ditch 110-b rehabilitation project
This rehabilitation project will repair and improve approximately 500 feet of ditch. The failed concrete walls and ditch bottom of the existing drainage ditch will be replaced with a pre-cast concrete box culvert. The new box culvert will have a larger cross-section than the existing failed ditch, allowing for the conveyance of more floodwaters. The downstream end of the ditch will also be redesigned and constructed to provide for a better transition into the receiving stream.
Elinor Street Project Community Flood Mitigation
This rehabilitation project will repair and improve approximately 500 feet of ditch. The failed concrete walls and ditch bottom of the existing drainage ditch will be replaced with a pre-cast concrete box culvert. The new box culvert will have a larger cross-section than the existing failed ditch, allowing for the conveyance of more floodwaters. The downstream end of the ditch will also be redesigned and constructed to provide for a better transition into the receiving stream.
McLean STREET Drainage Community Flood Mitigation Project
The proposed project will provide for the excavation of a new 1-acre, 6-ft deep detention basin and the installation of storm culverts ranging in diameter from 18 inches to 16 inches. The project will take advantage of an existing open channel, as well as an underutilized 55-acre, 8-ft deep detention basin known as the West Brook Detention Basin. Seventy-four acres of runoff from the west end of Gulf Terrace will be rerouted to the West Brook basin, thereby relieving the Gulf Terrace Addition.
Tyrrell park detention ii
The Tyrrell Park Detention II Project is a drainage project that will provide flood relief to an area of Beaumont, Texas that is bounded by Washington Blvd. on the north, IH‐10 on the west, Willow Marsh Bayou on the south, and Hillebrandt Bayou and Spur 380 on the east. The detention basin to be excavated will provide storage volume of flood water below ground that would otherwise be stored above ground causing home flooding. Hillebrandt Bayou will see lower floodwater surfaces as a result of this storage. This area of Beaumont has suffered severe and repetitive flooding, including during the 2017 flood, which was Harvey, and Imelda in 2019. This project will not only relieve this area, but also adjacent areas by preventing overland flow onto adjacent areas. Also, areas served downstream by Hillebrandt Bayou will see benefit due to decreases in flow caused by the diversion
Tevis diversion project
The Tevis Diversion Project is a drainage project that will provide flood relief to an area of Beaumont, Texas that is bounded by IH‐10 on the north, 23rd Street on the west, College Street on the south, and the Neches River on the east. The majority of the drainage area currently flows westerly through a system of underground culverts and open ditches to Hillebrandt Bayou. Since Hillebrandt Bayou is already overwhelmed with stormwater and is not capable of absorbing additional flow, this runoff will be directed easterly to the Neches River through double runs of 12‐ft x 10‐ft concrete box culverts under existing city streets. Due to its relative size, this diverted flow will have no effect on the Neches River. The route of this project will intersect existing underground infrastructure, which will be connected to the new system so runoff may freely flow from the existing systems to the new system and eventually to the Neches River.
Virginia Street Diversion Project
The Virginia Street Detention Project is intended to provide detention storage connections between the contributing storm sewer systems and the DD6 outfalls into channel 106 and 104-B. The detention basins provide increased capacity to the system and critical storage during extreme rainfall events where the DD6 channel capacities are exacerbated and drain times are excessive. The storm sewer upgrades provide more efficient conveyance towards the proposed basins to limit roadway flooding and structural flood risk. The project will reduce the cost of structural flooding to the benefit area by providing several detention storage facilities between the residential storm sewer and the downstream channel systems that are influenced by regional flood conditions. The proposed improvements in the Virginia Detention Project begin with an 8’ x 4’ RCB on the intersection of West Virginia Avenue and St Louis Street. At Beale Street, the 8’ x 4’ RCB connects to an 8’ x 5’ RCB before entering an existing inline detention basin for channel 104-B along Avenue A. There is an approximately 150 acre-feet detention basin extension proposed for the current inline basin. Dual 48” RCPs connect to the 8’ x 5’ RCB on Bob Street and drains to the southside of Virginia Avenue into an approximately 58 acre-feet detention basin to the east of Bob Street and a 23 acre-feet detention basin to the west of Bob Street. 36” and 30” RCPs connect to the existing conduits on Sarah Street and drain into an approximately 106 acre-feet detention pond along DD6 channel 106-A. 48” RCPs at Florida Avenue and Park Street, and a 24” RCP along the Union Pacific Railroad drain into an approximately 47 acre-feet detention pond at the intersection of Avenue A and Florida Avenue. There is an additional detention basin located along DD6 channel 106, near Mercantile Street which has the capacity to store approximately 39 acre-feet of storm water. This improvement includes approximately 5,800 linear feet of storm sewer upgrades and provides 6 acre-feet of additional storm sewer storage capacity that contributes to increased conveyance. The total detention storage capacity of the improvement is 50 acre-feet.
Taylor's Bayou Drainage Improvements
The width of Taylor’s Bayou at Hwy-124 averages 100 feet. Under this project, the Bayou width will be increased to 220 feet, and the bottom of the Bayou will be excavated to elevation -7.0 and widened to 70 feet. The limits of the widening will extend 250 feet upstream of the existing bridge on Hwy-124 to 250 feet downstream of the bridge. The side slopes will also be modified to a flatter slope for stability and ease of maintenance. The existing 7-span 140-ft long bridge that crosses Taylor’s Bayou on Hwy-124 will be replaced with a new, 5-span, 260-ft long bridge to accommodate for the widening of the Bayou.
south china relief Drainage flood mitigation project PHASE II
This project will provide for the excavation of approximately 18,614 feet of the existing channel to a depth of 9-ft, a 10-ft to 15-ft bottom width, and the modification of the channel side slopes to a new design grade for stability and ease of maintenance. A new ditch will be excavated on the east side of South China Road to deliver runoff from a 78-acre sub-watershed to the north. Also, two new ditches will be excavated as tributaries to the main channel. An irrigation lateral will be moved 90 feet to the east, and eight crossings will be enlarged to box culverts. The crossing lengths will vary from 22 feet to 40 feet.