Buffalo
EPA ID: OK2003003 · 1,200 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Buffalo (OK2003003): 2 EPA violations in the last five years. Beyond the 2 historical violations on Buffalo's EPA record, nothing remains open - the utility is currently compliant and supplies water to 1,200 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Buffalo Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Buffalo serves a community with a median household income of $72,266 and an estimated 1,587 residents across its service area. Approximately 88% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 50% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Buffalo's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Detected Contaminants
How Buffalo compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 1 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
Similar-sized systems in Oklahoma
System Overview
Buffalo (EPA ID: OK2003003) is a community water system in Oklahoma that serves approximately 1,200 people from groundwater sources.
This system serves ZIP code 73834 in Buffalo.
Violation History
Status breakdown for accepted records with record years 2021-2026: 0 resolved, 2 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| January 1, 2025 | Haloacetic Acids (HAA5) | Non-health-based | Archived |
| January 1, 2025 | Total Trihalomethanes (TTHM) | Non-health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0011 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by OK or modeled from parcel and building-footprint data.
- 73834 - Buffalo
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Buffalo (OK2003003) on EPA.gov.
Frequently Asked Questions
Is Buffalo water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Buffalo; its 2 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Buffalo serve?
Buffalo serves approximately 1,200 people across 1 ZIP code in Oklahoma.
Where does Buffalo get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Buffalo (OK): 2 EPA Violations. https://zipcheckup.com/water-system/ok2003003/
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author = {{ZipCheckup}},
title = {{Buffalo (OK): 2 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok2003003/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Buffalo (EPA ID: OK2003003) - request the latest Consumer Confidence Report or ask about specific contaminants.