03Est. $3,800 - $7,500
Tankless Water Heater Installation
Wall-hung units sized by flow rate, with the gas line and vent worked out up front.
22,745 acresSurface area of Lake Ray HubbardWikipedia
490,000 acre-feetStorage capacity, with a maximum depth of 40 feetWikipedia
1968 / 1969Year the lake was impounded and the 2-mile dam completedWikipedia
0.9 mileLength of the George Bush Turnpike bridge over the Rowlett Creek inlet, opened in 2012Wikipedia
1.6 milesFrom Scenic Drive in Lakeshore Park Estates to the lake as we locate it (centroid)OpenStreetMap, our calculation
Short answer
Water heater installation near Lake Ray Hubbard covers the shore communities of Rowlett, from Lakeshore Park Estates to Sapphire Bay. The lake covers 22,745 acres and is owned by the City of Dallas, and Rowlett's tap water comes from the North Texas Municipal Water District, not the lake. Estimated $1,400 to $3,800 for a tank.
01The lake in numbers
Twenty-Two Thousand Acres Next to Rowlett
Lake Ray Hubbard covers 22,745 acres, holds 490,000 acre-feet and is at most 40 feet deep. Work began in 1964, the lake was impounded in 1968, and a 2-mile earthfill dam, the Rockwall-Forney Dam, was completed in 1969. The City of Dallas owns the lake and the dam, and Dallas Water Utilities manages it. It touches Dallas, Kaufman, Collin and Rockwall counties, and it is named for Ray Hubbard, who led Dallas's parks board from 1943 to 1972. Wikipedia's article on Rowlett says the lake was completed in 1971, so sources differ on the date, and we use the lake's own article.
Two Rowlett crossings frame the lake: the George Bush Turnpike's eastern expansion, completed in 2012, includes a 0.9-mile bridge over the Rowlett Creek inlet, and the Texas Highway 66 bridge, 1.8 miles long, joins Rowlett and Rockwall.
| Item | Figure |
|---|---|
| Surface area | 22,745 acres |
| Capacity | 490,000 acre-feet |
| Maximum depth | 40 feet |
| Dam | 2 miles, completed 1969 |
| Owner | City of Dallas |
| Counties touched | Dallas, Kaufman, Collin, Rockwall |
02Water you drink
The Lake Is Not Your Tap Water
The most common assumption we meet is that lake-shore houses drink from the lake. They don't. Rowlett buys its treated water from the North Texas Municipal Water District, which describes it as moderately hard because of minerals in Lavon Lake. Lake Ray Hubbard is a Dallas water-supply lake. A house a block from the shore and a house across town have the same tap water.
That matters for a heater because hardness is what scales a tank. NTMWD's analysis tables show total hardness of 183 mg/L in January 2015 and 122 to 160 mg/L in sampled months of 2022 and 2023. By the district's own rule of dividing by 17.12, that is 10.7 grains per gallon in 2015 and 7.1 to 9.3 later. A flush once a year and an anode rod check in the third to fifth year apply to a lake-shore tank exactly as they do anywhere else, and the flushing guide has the steps.
03What the lake does change
Wind, Exposure and Vent Terminations
What the lake does bring is open ground. Texas Parks and Wildlife warns that strong wind can make paddling on Lake Ray Hubbard hard, and an exposed shore means wind across a roof. For a gas tank the flue needs a sound termination with clearance, and for a tankless unit the vent run is measured against the maker's limits for length and bends. A vent that is fine on a still day can behave differently in a gust, so we check terminations on site, not from a drawing.
Garage heaters on outside walls face another exposure. DFW Airport's normals count 29.2 days a year at or below 32 degrees and 20.2 at or above 100, and a garage with a lake-side wall feels both. Supply lines on an outside wall are insulated on every install. The garage page covers it.
Need Water Heater Installation Near Lake Ray Hubbard?
Tell us which community you are in and the date on the label and you get an estimated range on the call.
04Shore communities
Which Communities Sit Along the Shore
Most of Rowlett's shore communities are on our list, and they differ in age more than in anything else. These are the ones, in order of how old the housing in the sources is:
- Lakeshore Park Estates: listings show homes from 1990 to 1998, in Rockwall ISD.
- Dalrock: a mix from 1946 to 2004 along Dalrock Road, with a 1983 home in Dalrock Estates.
- The Vineyards: listings show 2015 and 2019 homes.
- Lake Park: Cambridge Homes' new community, 142 homes on 35 acres.
- Lake Shore Village: Windsor Homes' new builds, from 2026.
- Sapphire Bay: a roughly 116-acre project still being built.
Each has its own page with the build years, the schools and the distances, and the heater question differs: a second or third tank in the 1990s houses, and sizing in the new ones.
05Distances
How Far the Shore Communities Are From the Lake and From Us
The distances below are straight-line miles from OpenStreetMap coordinates, with the lake as a single centre point, so the shore itself is nearer than the figures for the communities along it.
| Place | Miles from the lake point | Miles from our shop |
|---|---|---|
| Lakeshore Park Estates | 1.6 | 4.3 |
| Church in the City | 1.7 | 3.5 |
| Lake Shore Village | 1.8 | 3.4 |
| Sapphire Bay | 2.4 | 3.6 |
| Vineyards | 2.7 | 2.8 |
| Paddle Point Park | 2.7 | 2.7 |
06Costs
What a Lake-Shore Swap Costs
A like-for-like tank is estimated at $1,400 to $2,900, and a tank with attic access or code updates at $2,200 to $3,800. A hybrid heat pump is estimated at $3,000 to $5,500 and a tankless conversion at $3,800 to $7,500. The shore doesn't change the price. The house does: where the heater sits, what the old install lacked, and what the gas line or circuit can carry.
07Fuel and outages
Gas, Electric and a Power Cut
Atmos Energy delivers Rowlett's gas and Oncor its electricity. The EIA's 2020 survey puts gas at about 48% of U.S. homes' main water heating fuel and electricity at about 46%. After Winter Storm Uri in February 2021, the Texas health department counted 246 deaths statewide, 22 in Dallas County. A standing-pilot gas tank keeps heating without power and an electric tank doesn't, which is worth deciding before the old tank fails.
08On the day
From Our Shop to the Shore
Our shop at 5311 Boyd Boulevard is between 2.7 and 4.3 miles in a straight line from the shore communities. A like-for-like swap takes 3 to 5 hours, and the written quote comes before the old heater is touched. Texas requires work for customers to be by a plumber licensed through the State Board of Plumbing Examiners, and Texas cities set their own permit rules, so we confirm what Rowlett requires.
09Services
All servicesRelated Water Heater Services
05Est. $1,400 - $3,800
Water Heater Replacement
Like-for-like swaps and size changes, with the old heater drained and hauled away.
09Est. $1,400 - $2,900
Garage Water Heater Installation
Gas and hybrid units in the garage, with the burner raised and the unit protected.
11Guides
All guidesGuides That Go Deeper
How to Flush a Water Heater, and Why Hard Water Matters
Flushing a tank water heater once a year clears sediment. Here are the steps, and why moderately hard North Texas water makes it worth doing.
Read the guideHow Long Does a Water Heater Last in North Texas?
A tank water heater usually lasts 8 to 12 years in North Texas. See how moderately hard water and maintenance change that, and when to plan a swap.
Read the guideWater Heater in the Attic, Garage or Closet: Where Should It Go?
Compare attic, garage and closet water heater locations in Rowlett homes: access, venting, leak risk and what each placement needs to meet code.
Read the guide12FAQ
Questions People Ask About This
Question not here?
Call and ask. A straight answer and an estimated range on the call, before anybody drives over.
Call (972) 472-8210How big is Lake Ray Hubbard?
22,745 acres, with a capacity of 490,000 acre-feet and a maximum depth of 40 feet, according to Wikipedia's article on the lake.
Who owns Lake Ray Hubbard?
The City of Dallas owns the lake and its 2-mile dam, and Dallas Water Utilities manages it.
Is Rowlett's tap water from Lake Ray Hubbard?
No. Rowlett buys treated water from the North Texas Municipal Water District, which describes it as moderately hard because of minerals in Lavon Lake.
When was Lake Ray Hubbard built?
Work began in 1964, the lake was impounded in 1968 and the dam was completed in 1969. Wikipedia's Rowlett article says 1971, so sources differ.
Does living on the lake change my water heater?
Not the water, which comes from NTMWD. It adds wind and exposure, so vent terminations and outside-wall pipes get a closer look.
How hard is Rowlett's water?
NTMWD's sampled treated water was 122 to 160 mg/L in 2022 and 2023, about 7.1 to 9.3 grains per gallon, and 183 mg/L (10.7 grains) in January 2015.
Which communities are on the Rowlett shore?
Among those we cover: Lakeshore Park Estates, Dalrock, the Vineyards, Lake Park, Lake Shore Village and Sapphire Bay.
How much does a swap cost near the lake?
A like-for-like tank is estimated at $1,400 to $2,900 and a tank with code updates or attic access at $2,200 to $3,800.
Should a lake-shore house choose gas or electric?
Either. Gas is about 48% of U.S. main water heating fuel and electricity about 46%. A standing-pilot gas tank keeps heating in a power cut.
How far is your shop from the shore communities?
Between about 2.7 and 4.3 miles in a straight line from 5311 Boyd Boulevard, depending on the community.
Does wind affect a tankless heater's vent?
It can. A vent has to stay within the maker's limits for length and bends, so we check the termination on site.
Do I need a permit near the lake?
Texas cities set their own permit rules, so we confirm what Rowlett requires. Any permit is its own line on the quote.
13Sources
Where the Numbers on This Page Come From
Numbers on this page come from the sources below, retrieved October 2026, or from our own estimated price ranges. Where sources disagree or a figure could not be confirmed, the page says so. Distances are straight-line miles.
- Lake Ray Hubbard (Wikipedia)lake size, dam, bridges
- Rowlett, Texas (Wikipedia)history, 2020 census, schools, Sapphire Bay plans
- NTMWD: Protecting Our Drinking Watermoderately hard water, 17.12 conversion
- NTMWD monthly water analysis tables, Wylie treated water, 2015 and 2022-2023total hardness in mg/L; sample months only
- Texas Parks and Wildlife: Paddle Point Creek Paddling Trailtrail length, access, wind note
- NWS Fort Worth: DFW normals, means and extremes, 1991-2020temperatures, 100-degree and freeze days
- U.S. EIA: 2020 Residential Energy Consumption Survey, water heatingnational fuel split
- Texas DSHS: February 2021 winter storm mortality report (reported by KSAT)246 deaths statewide
- Listing records: Scenic Drive and nearby streets, Lakeshore Park Estates (built 1990 to 1998)Rockwall ISD, build years from listings
- Listing record: 8510 Kensington Dr, Dalrock Estates (built 1983)build year 1983, Garland ISD; one listing
- Listing record: 6913 Barolo Dr, The Vineyards (built 2015, HOA $575 a year)one listing
- The Real Deal: Cambridge builds lakeside homes near Dallas (March 2023)142 homes on 35 acres
- Jome: Lake Shore Village by Windsor Homesprice range, school district
- Texas State Board of Plumbing Examinerslicense lookup
- OpenStreetMap geocodes (Nominatim), used to compute straight-line distancesdistances in this site are great-circle miles, so driving distance is longer
- Ray Hubbard Water Heaters: our own estimated price rangesestimates, not quotes; the written quote is the price
14Next step
Book Your Lake-Shore Water Heater Install
For water heater installation near Lake Ray Hubbard, call (972) 472-8210 with your community and the date on the label. You get an estimated range on the call, a written quote before any work, and hot water tested at the tap before we leave.