CITY WATER REPORT
Is Willis Tap Water Safe? 2026 Water Quality Report
CITY OF WILLIS serves Willis · 14,133 residents.
- Utility
- CITY OF WILLIS
- Population served
- 14,133
- Water source
- Groundwater
- Disinfectant
- Pending utility report
- Hardness
- Pending utility report
Perfluorooctanoic acid (PFOA): not detected (limit 4.0 ng/L).
About this score
What the record shows
CITY OF WILLIS (EPA PWSID TX1700003) delivers groundwater to 14,133 residents. This report reflects 3 federally regulated PFAS result(s) from the 2024 UCMR5 round and the latest Lead & Copper Rule 90th-percentile result. Water hardness and disinfectant type are pending the utility's own annual report.
Your water system
resolution confirmed
- CITY OF WILLIS — serves most of the city
CITY OF WILLIS is the primary municipal supplier for most Willis addresses. Confirm your supplier on your utility bill.
CITY OF WILLIS is the public system on record for this city. This identifies which utility serves the city — confirm yours on your water bill before acting on a specific finding.
What stands out in Willis
Each row links to a dated measurement in the supplier profile. A missing measurement is never shown as a non-detect.
What this data doesn’t tell you
Public water-system monitoring reflects the system, not the water at an individual household tap at a given moment. Home plumbing, fixtures, storage, sampling location and timing can all change what actually reaches your glass.
The data behind this report
| Contaminant | Result | Benchmark | Sampled | Source |
|---|---|---|---|---|
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | 2024 | UCMR5 Analytical Results — CITY OF WILLIS (TX1700003) |
| Perfluorooctane sulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | 2024 | UCMR5 Analytical Results — CITY OF WILLIS (TX1700003) |
| Perfluorohexane sulfonic acid (PFHxS) | < 10 ng/L | 10.0 ng/L federal MCL (2024) | 2024 | UCMR5 Analytical Results — CITY OF WILLIS (TX1700003) |
| Lead (90th percentile) | 0.699 µg/L | 15 µg/L federal action level | 2025-2025 | Lead & Copper Rule 90th-percentile — CITY OF WILLIS (TX1700003) |
| Total coliform bacteria | = | Federal MCL | 2025 | EPA SDWIS Violations & Enforcement — CITY OF WILLIS (TX1700003) |
Perfluorooctanoic acid (PFOA)
- Result
- < 4 ng/L
- Benchmark
- 4.0 ng/L federal MCL (2024)
- Sampled
- 2024
Perfluorooctane sulfonic acid (PFOS)
- Result
- < 4 ng/L
- Benchmark
- 4.0 ng/L federal MCL (2024)
- Sampled
- 2024
Perfluorohexane sulfonic acid (PFHxS)
- Result
- < 10 ng/L
- Benchmark
- 10.0 ng/L federal MCL (2024)
- Sampled
- 2024
Lead (90th percentile)
- Result
- 0.699 µg/L
- Benchmark
- 15 µg/L federal action level
- Sampled
- 2025-2025
Total coliform bacteria
- Result
- =
- Benchmark
- Federal MCL
- Sampled
- 2025
Every value is the published result from the cited public record. A reporting limit is the lowest level the method could reliably quantify — a non-detect is not a guarantee of zero.
What can you do about it?
To reduce exposure to what was reported in Willis, these treatment technologies are relevant to the contaminants found here:
- Reverse osmosis
- NSF/ANSI 53 lead-certified filters
- Replacing lead service lines
Understand water treatment technologies — then the specific products below are matched to these findings.
Recommended solutions
NSF/ANSI 53 lead-reduction filter (optional)
leadOur pick: Clearly Filtered Water Filter Pitcher, 10 Cup BPA Free Water Filtration
Recommended because There is no safe level of lead, and older home plumbing can add it at the tap.
Recommendations are matched to the published findings first; the commercial offer is looked up afterwards and never changes which products qualify. As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure.
Frequently asked questions
Who provides tap water in Willis?
CITY OF WILLIS (PWS ID TX1700003) is the public water system on record for Willis, Texas. Confirm the utility on your water bill before acting on a specific finding.
Where does Willis get its drinking water?
Groundwater (primary source of record in EPA SDWIS).
What does the latest Willis water report show?
Across the tracked parameters, PurityMap's current record for Willis shows 1 contaminant measured above its benchmark and 4 within benchmark. Each finding links to its dated public record; a parameter that was never monitored is shown as pending, not as a pass.
Is there lead in Willis's tap water?
In Willis, lead is detected but within its action level in the published record. Lead can still enter water from household plumbing after it leaves the system, so a system result cannot rule out an individual tap — a certified home test is the only way to know yours.
Are PFAS "forever chemicals" in Willis's water?
PFAS compounds appear in Willis's published record; the findings show each one's measured state and how it compares to its benchmark.
Sources
Methodology: how we analyze water.
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- Systems published
- 1 of 1
- Latest sample on record
- 2024 (PFAS) / LCR (lead)
The record, not the water. These describe how completely the city is monitored — not a quality score.