Is Buffalo, IA tap water safe?
The short answer
None of the 5 utilities serving Buffalo has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Iowa’s records.
Iowa - American WTR Co - Davenport, which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 4.1 ppt, above EPA’s new limit, which takes effect in 2029.
The water from Iowa - American WTR Co - Davenport is very hard, 239 mg/L (14 grains per gallon). How Iowa’s water compares.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Buffalo’s ZIP codes, from EPA’s estimates.
- Open report
Iowa - American WTR Co - Davenport
Iowa · serves 147,720 people · about 1,900 in Buffalo
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 4.1 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: very hard, 239 mg/L (14 grains per gallon).
No health-based violations since 2016
- Open report
Buffalo Water Supply
Iowa · serves 1,176 people · about 960 in Buffalo
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Devils Creek Estates Home Assoc
Iowa · serves 145 people · under 100 in Buffalo
1 result above the health goal. The worst: Lead at 4.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Leaf Lake Estates HOA
Iowa · serves 53 people · lists Buffalo among the places it serves
1 result above the health goal. The worst: Lead at 2.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Kauths Oak Valley HOA 2nd Addition
Iowa · serves 31 people · lists Buffalo among the places it serves
1 result above the health goal. The worst: Lead at 1.4 ppb, above the health goal.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Iowa - American WTR Co - Davenport’s water, which serves the most people here. Another utility’s report names what handles its own results.
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ZeroWater 10 Cup Pitcher (ZP-010)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53checked Oct. 4, 2026
Certified for: PFOA, Lead
Aquasana Claryum Direct Connect (AQ-MF-1)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOA, Lead
Express Water StreamLine Direct Connect System (USC001)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOA, Lead
Water testing near Buffalo
The 3 labs Iowa certifies closest to Buffalo, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Quad Cities Metallurgical Laboratory
Davenport, IA · about 9 miles
Certified for bacteria, nitrate
Ion Environmental Solutions
Muscatine, IA · about 17 miles
Certified for bacteria, nitrate
QC Analytical Services
Le Claire, IA · about 20 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics
State Hygienic Laboratory at the University of Iowa: Through the Grants-to-Counties program, private well owners in participating counties can have their water tested for total coliform bacteria and nitrate. Start with the county sanitarian at your county health department. No cost in a participating county. The Grants-to-Counties Program, State Hygienic Lab at the University of Iowa.
All 36 certified labs for IowaWhich ZIP codes are in Buffalo: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Iowa DNR, laboratories certified for drinking water; distances from the Census 2020 ZIP code tabulation area gazetteer.
What to do next
- Read Iowa - American WTR Co - Davenport’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOARanked by certification and what they cost over five years.The best water filters for PFAS, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water