Colorado Well Finder › Wells by county › Weld County › Frederick
Well records within 5 miles of Frederick show a mostly shallow plains setting, with a median reported well depth of 23 feet. The middle half runs from 15 to 80 feet, although the record also includes wells as deep as 1,026 feet.
That shallow median does not guarantee an inexpensive or dependable new well on a particular parcel. The records include different uses, aquifers and reporting quality. Only 156 wells report a pump yield, and 158 report a static water level. Use these figures to frame a site investigation, not to replace a driller's estimate or a review of the permit history.
Figures are computed from Colorado Division of Water Resources permit records for permitted wells within 5 miles of Frederick. Not every permit reports every field; each statistic uses the wells that report it.
| Depth statistic | Feet |
|---|---|
| 25th percentile | 15 |
| Median | 23 |
| 75th percentile | 80 |
| 90th percentile | 354 |
| Deepest on record | 1,026 |
| Aquifer named on permits | Wells |
|---|---|
| unnamed / fractured-bedrock aquifer | 1,327 |
| Alluvial | 260 |
| Laramie Fox Hills | 84 |
| Yield statistic | gpm |
|---|---|
| 25th percentile | 10.0 |
| Median | 11.2 |
| 75th percentile | 15.0 |
| Median depth to water | 9 ft |
| Median water level by decade | Depth to water |
|---|---|
| 2010s | 9 ft |
| 2020s | 8 ft |
Depth records around Frederick are concentrated near the surface: 77% are under 100 feet. Another 10% fall from 100 to 300 feet, 10% from 300 to 600 feet, and 3% exceed 600 feet. The middle half, from 15 to 80 feet, is the useful starting point for a local bid.
For a buyer, the important point is the spread. A median of 23 feet may support a shallow-hole estimate, but a nearby deep outlier shows that geology and the target aquifer can change the plan. Permits name unnamed or fractured-bedrock aquifers most often, followed by alluvial and Laramie Fox Hills sources. Have the driller review neighboring completion records before pricing the work.
Among the 156 records reporting pump yield, the median is 11.2 gallons per minute. The middle half is 10.0 to 15.0 gallons per minute. 62% report yields from 5 to 15 gallons per minute, while 32% report more than 15 gallons per minute. No reported wells fall under 1 gallon per minute, and 6% fall from 1 to 5 gallons per minute.
That is a relatively strong local record, but it is not a promise for an unbuilt well. Yield depends on the formation, completion and pumping test. Ask what rate the driller expects to test and what storage tank size will be needed. A household well also has to meet the limits and conditions on its DWR permit.
The reported static water level has a median depth of 9 feet, with the middle half between 6 and 14 feet below the ground surface. That means many recorded wells encounter standing water close to the surface, but it does not describe the pumping level under sustained household demand.
The decade comparison does not show a dropping water table in these records: the median was 9 feet below surface in the 2010s and 8 feet in the 2020s. Treat that as a broad record-based snapshot, not a site guarantee. Only 158 wells report static water level, and measurement conditions vary. A driller should check nearby logs and account for seasonal conditions when evaluating a lot.
DWR records show drilling activity stretching from the 1950s through the newest permit year, 2026. Permit counts were 28 in the 1950s, 35 in the 1960s, 184 in the 1970s, 113 in the 1980s, 201 in the 1990s, 377 in the 2000s, 286 in the 2010s, and 362 in the 2020s.
The most active names in the records are Authorized (Pe, Pg), with 669 wells, followed by Waneka & Son Drilling (Waneka, Don), with 67, and A. E. Crandall & Sons (Williams, G C), with 50. Those counts describe permit records, not a recommendation or proof that a company is available for a new project.
The local cost model uses Denver Basin sedimentary bedrock and a drilling rate of $50-$70 per foot. At the recorded median depth of 23 feet, the drilled hole is modeled at about $1,200-$1,600. That is only the hole, not the complete water system.
A finished well with pump, pressure tank, trenching and electrical is modeled at about $7,200-$13,600 at the median depth. Actual bids can move outside that range when depth, casing, grout, access, power distance, water treatment or difficult ground changes. Get a written scope that separates drilling from pump equipment, trenching and electrical. A shallow record nearby should not be used as a fixed price for your parcel.
Frederick’s records show 98% of permitted wells associated with Denver Basin aquifers. The aquifer name alone does not establish safe drinking water or a reliable result on an individual lot. Test a private well after construction and ask what treatment may be needed for the water's actual chemistry.
Mapped environmental information also deserves a parcel-level review: there are 1,344 PFAS sampling or contamination sites, 38 historic mine features and 9 EPA Superfund or cleanup sites within about 10 miles. Mapping proximity is not proof of contamination, but it is a reason to check the address, test the water and understand land-use history.
Before building, confirm septic setbacks, reserve area, access for a rig, electrical routing and separation from livestock or other potential sources. Low-yield and dry-hole risk still needs a driller's opinion even though no reported yield is under 1 gallon per minute.
Start with the Colorado DWR permit file, not a seller's verbal estimate. Of the 2,090 wells in this area, 1,075 are recorded as constructed and 1,144 report total depth. The missing construction and yield information matters when a property has few close neighbors or an unusual aquifer designation.
Have a licensed driller compare the closest logs in Frederick, Dacono, Firestone, Erie, Leyner, Longmont and Mead only when they are genuinely comparable in geology and use. Confirm the permit allows the intended household use; exempt household-use wells have specific limits, including the general 35 gallons per minute pumping limit. If the basin or proposed use requires more water, an augmentation plan may be necessary.
For new construction, coordinate the well location with the septic system, driveway, foundation, utility trench and future repairs. Put testing, well completion, pump sizing and water treatment allowances into the project budget before closing.
| Decade permitted | Wells |
|---|---|
| 1950s | 28 |
| 1960s | 35 |
| 1970s | 184 |
| 1980s | 113 |
| 1990s | 201 |
| 2000s | 377 |
| 2010s | 286 |
| 2020s | 362 |
| Most active drillers on record | Wells |
|---|---|
| Authorized (Pe, Pg) | 669 |
| Waneka & Son Drilling (Waneka, Don) | 67 |
| A. E. Crandall & Sons (Williams, G C) | 50 |
How this is built: the median permitted depth here times the per-foot range for this ground, plus the normal system costs. A lot at the 75th-percentile depth (80 ft) would run roughly $10,000–$17,600. See the full Colorado well cost guide.
Counts come from EPA, USGS and state datasets layered on the Colorado Well Finder map. A count is not a verdict on any one well; it tells you what to test for.
The numbers above are the area average. Your lot is one point on the map. Search the address to see the real depth, yield and aquifer of each permitted well around it.
Map wells near FrederickTri-Lakes Contracting is a licensed Colorado contractor serving Frederick and surrounding Weld County communities with access driveways, site development, new-build septic systems and custom homes. Coordinate the well, septic, utilities and building work through one site plan.
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A listing photo can't tell you whether a lot is a dream or a money pit. Two parcels near Frederick can carry the same asking price while one needs an $80,000 driveway and a $45,000 engineered septic the other doesn't. The well numbers on this page are the start of that answer. A Tri-Lakes Site Feasibility Report is the rest of it: a licensed general contractor, excavator and septic installer reads the parcel the way we would if we were about to build on it, and puts the real cost in writing before your money is committed.
Spend a little to know. Or gamble a lot to guess. Realtors sell the view and inspectors look at houses that already exist. We're the people who'd build it, so we catch what quietly turns a "great deal" into a budget disaster: bad access, buried rock, steep grade, soil that won't pass for a normal septic, water that's a fortune to reach. And if the lot is good, you've already got a builder ready to do the work, driveway to drywall.
Under contract, comparing parcels, or a realtor with a rural listing whose buyers keep asking "what will it cost to build here?" This is the due-diligence step almost everyone skips, and the one that saves the most.
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The median reported well depth within 5 miles of Frederick is 23 feet. The middle half runs from 15 to 80 feet, and 77% are under 100 feet. Depth still varies sharply: 10% are 300 to 600 feet, 3% exceed 600 feet, and the deepest record is 1,026 feet.
The local model uses $50-$70 per foot. At the 23-foot median depth, the drilled hole is estimated at $1,200-$1,600. A finished system with pump, tank, trenching and electrical is estimated at $7,200-$13,600. A written bid may differ because access, casing, grout, utilities and actual depth vary.
Of the 156 records reporting pump yield, the median is 11.2 gallons per minute and the middle half is 10.0-15.0 gallons per minute. Sixty-two percent report 5-15 gallons per minute, and 32% report more than 15. These figures are local records, not a guaranteed result for a new well.
The well records do not establish that water is safe to drink. Within about 10 miles, mapping shows 1,344 PFAS sampling or contamination sites, 38 historic mine features and 9 EPA Superfund or cleanup sites. Test the completed well for site-appropriate contaminants and review nearby land-use history before relying on the water.
The reported median static water level was 9 feet below surface in the 2010s and 8 feet in the 2020s. That comparison does not show a dropping trend in this dataset. Only 158 wells report static water levels, however, and measurements vary by location and conditions. A driller should evaluate the specific parcel and nearby logs.
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