Olean Tap Water Quality Report
Olean's water has 4 contaminants above EPA MCLGs. We recommend using a certified water filter.
1 other system serving parts of Olean reports results above guidelines โ check which system bills you. OLEAN TOWN WATER DISTRICT (3 above guidelines)
People Served
14,500
Health-based violations since 2020
0
OLEAN CITY. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
May 2020 ยท OLEAN CITY
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Olean Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Olean's water has 4 contaminants above EPA health-based guidelines. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Olean's water.
OLEAN CITY, Olean's water system, serves 14,500 people. 1 other system also serves parts of Olean. Each system's results are listed under its own name, never added to OLEAN CITY's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for OLEAN CITY is from May 2020.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in New York
Olean Water Service Areas

What these numbers actually mean for Olean, NY
We read Olean, NYโs published record and send you a short report โ which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 4 contaminants above EPA MCLGs and 5 contaminants with an EPA health goal detected in some samples (no level on file)
- 150 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for Olean
Based on Olean's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

Solventum Purification Inc.
3MRO401
NSF Certified:
Daily Production
11.48 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 11.48 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 15 contaminants:
+10 more
Copper, Cryptosporidium, Fluoride, Lead, Radium 226, Radium 228, Radium, combined (-226 & -228), Selenium, Total Dissolved Solids, Turbidity

Solventum Purification Inc.
3MRO301
NSF Certified:
Daily Production
11.48 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 11.48 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 15 contaminants:
+10 more
Copper, Cryptosporidium, Fluoride, Lead, Radium 226, Radium 228, Radium, combined (-226 & -228), Selenium, Total Dissolved Solids, Turbidity

Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium

Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with โnormalโ faster faucet flow
Removes 1 contaminants:
Verify Your Water Quality with Independent Testing
With 4 contaminants above EPA MCLGs and 5 contaminants with an EPA health goal detected in some samples (no level on file), independent laboratory testing provides a second opinion and can track changes over time.

SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
With 4 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What Olean's water readings can explain
Utility-reported data for Olean includes a chlorine-based disinfectant โ the readings behind these common tap water questions. We publish a city-level hardness figure for Olean, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Olean? Public-water results do not apply to private wells. See Cattaraugus County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Olean
Olean's tap water has an estimated 4.8 grains per gallon (82.4 mg/L, county sampling in Cattaraugus County) โ moderately hard on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for an estimated 4.8 gpg water in Olean โ equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs โ equipment, installation labour and ten-year ownership, each separated out. For New York as a whole, read water softener cost in New York โ priced against the plumber wage published for the state.
Frequently Asked Questions About Olean Tap Water
Olean's water has 4 contaminants above EPA MCLGs. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Olean's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach OLEAN CITY. For a problem with your water now (discolored water, no water, low pressure, a leak), contact OLEAN CITY directly.
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