Water wells in the Plum Creek Conservation District

Q: What does a groundwater conservation district do?

In Texas, districts are the local authority over groundwater: they can require registration or permits for new wells, set spacing from other wells and property lines, and limit pumping. Each district writes its own rules, so ask the Plum Creek Conservation District before drilling inside it.

Home water wells inside the Plum Creek Conservation District (Caldwell and Hays counties, Texas) are typically 200 to 305 feet deep (median 260 ft, 279 wells drilled in the last 10 years). 2025 was the busiest year for new home wells here since 2002: 58 reported. Estimated cost of a complete well at the median depth: $9,000 to $22,000.

Updated every day from Texas Water Development Board driller reports. Last update: November 11, 2026, using the state file of November 10, 2026.

See the wells and layers at an exact point

Under the center of the Plum Creek CD

District boundary from TWDB's file current as of November 2019. Later changes are not shown.

Home wells in and around the Plum Creek CD

Each dot is a home well from a state driller report, colored by depth. Tap one for its details and official report. Tap an empty spot to see what is under that point.

See underground

Well depth (ft)

<100
100
200
300
400
600
800+

Dark line: the district boundary (TWDB, 2019)

Key figures

Typical depth (middle half): 200 to 305 feet
Median depth: 260 feet
Deepest 10% are past: 401 feet
Water level (median): 84 feet; 250 wells
Yield (median): 30 gpm; 238 wells, gallons per minute
Wells used: 279; In the last 10 years
Counties: 2
All years on file: 451; median 260 ft, since 1977
Confidence: Standard (30 or more wells)

When the wells were finished, the water stood a median 84 feet below the surface (250 wells), well above the bottom: the typical well holds about 176 feet of water.

District boundary from TWDB's file current as of November 2019. Later changes are not shown.

New home wells per year

2025 was the busiest year for new home wells here since 2002: 58 reported.

Domestic wells with a depth, by the year they were finished. 2026 is still in progress.

Show the data table

Year	Wells
2002	15
2003	19
2004	13
2005	16
2006	16
2007	6
2008	11
2009	10
2010	7
2011	8
2012	9
2013	11
2014	12
2015	12
2016	5
2017	15
2018	13
2019	9
2020	13
2021	20
2022	20
2023	40
2024	54
2025	58
2026	35

Places with the most wells in the district

Place	Median depth (ft)	Middle half (ft)	Wells	Main layer
Lockhart	200	78–246	56	—

Counties

Depth over time

New home wells in the district are shallower than 20 years ago: the median went from 296 feet (2003 to 2007) to 248 feet (2021 to 2025), 16% less. That usually happens when new homes go up in a different area or drillers switch layers.

Period	Median depth (ft)	Wells
2001–2005	270	66
2006–2010	265	50
2011–2015	255	52
2016–2020	280	55
2021–2025	248	192
2026	300	35

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Common questions

How deep are wells in the Plum Creek CD?

Home water wells inside the Plum Creek Conservation District (Caldwell and Hays counties, Texas) are typically 200 to 305 feet deep (median 260 ft, 279 wells drilled in the last 10 years).

What does a groundwater conservation district do?

In Texas, districts are the local authority over groundwater: they can require registration or permits for new wells, set spacing from other wells and property lines, and limit pumping. Each district writes its own rules, so ask the Plum Creek Conservation District before drilling inside it.

What a well costs here

At the median depth for the district (260 feet), a complete home well would cost roughly $9,000 to $22,000: $25 to $60 per foot for drilling, casing and seal, plus $2,500 to $6,500 for the pump, pressure tank, controls and hookup at the well. Across the whole middle half of depths (200 to 305 feet) the range runs from $7,500 to $25,000. This is TerraFunded's estimate from published Texas prices, not a quote, and it leaves out trenching and the line to the house. Get prices from at least two licensed drillers.

How these numbers are made

We count new and replacement domestic (home) wells whose coordinates fall inside the district boundary. We use the last 10 years when there are at least 30 wells; otherwise all since 2001. The median is the middle well and the middle half runs from the 25th to the 75th percentile.

These are depths of real wells drilled nearby, not a promise about any property. Groundwater can change over short distances and with drought. A licensed water well driller can tell you what to expect on a specific tract.

Read the full methodology · Download the data (CSV, CC BY 4.0)

How to cite

TerraFunded (2026). Texas Well Atlas: Underground. From Texas Water Development Board driller reports and groundwater availability models (data as of November 10, 2026). https://terrafunded.com/wells/districts/plum-creek-conservation-district. License CC BY 4.0. https://doi.org/10.5281/zenodo.24126380.