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Buena Park Tap Water Quality Report
Buena Park's water has 3 contaminants above EPA MCLGs and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029). We recommend using a certified water filter.
Water system
CITY OF BUENA PARK
People Served
81,998
Health-based violations since 2020
0
CITY OF BUENA PARK. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Sep 2025 ยท CITY OF BUENA PARK
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Buena Park Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Buena Park'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 Buena Park's water.
CITY OF BUENA PARK, Buena Park's water system, serves 81,998 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for CITY OF BUENA PARK is from Sep 2025.
In EPA's 2023โ2026 UCMR 5 testing, CITY OF BUENA PARK measured lithium at up to 36.517 ยตg/L, which EPA counts as above its health reference level of 10 ยตg/L. That level is a screening value EPA uses to decide what to study further, not a legal limit, and this result does not change this page's water-quality summary.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in California
Buena Park Water Service Areas

What these numbers actually mean for Buena Park, CA
We read Buena Park, CAโs 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.
- 3 contaminants above EPA MCLGs and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029) and 8 contaminants with an EPA health goal detected in some samples (no level on file)
- 156 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Fluoride in Buena Park's water
CITY OF BUENA PARK
PWSID CA3010003
CITY OF BUENA PARK reported 0.69 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
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Recommended Water Filters for Buena Park
Based on Buena Park's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA's health goals (MCLGs) or legal limits (MCL).

AquaTru
Classic
NSF Certified:
Flow Rate
0.04 gpm
Daily Production
600 gpd
Highlights:
- Best overall contaminant reduction score
- Most performance certifications
- Lifetime warranty
- NSF-42, NSF-53, NSF-58, NSF-401 certified
Removes 23 contaminants:
+18 more
Molybdenum, Barium, Chlorine, Arsenic, 83+ contaminants, Calcium, Chloride, Copper, Magnesium, Nitrate, Phosphorus, Sodium, Sulfate, Total Dissolved Solids, Zinc, Total THMs, Chloroform, Nitrate (as N)

AquaTru
Carafe
NSF Certified:
Flow Rate
0.3 gpm
Daily Production
4 gpd
Highlights:
- Verified PFAS reduction
- Glass collection vessel
- Plug-and-play installation
- NSF-53, NSF-42, NSF-58, NSF-401, NSF-372 certified
Removes 17 contaminants:
+12 more
Arsenic, 83+ contaminants, Copper, Total THMs, Chloroform, Chloride, Sulfate, Nitrate (as N), Molybdenum, Barium, Strontium, Uranium

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

Waterdrop
G3 P600
NSF Certified:
Flow Rate
600 gpm
Daily Production
600 gpd
Highlights:
- Space-saving design
- Good contaminant reduction
- NSF-58 certified
Removes 4 contaminants:
Filters for what Buena Park reported
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA MCLGs and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029) and 8 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
PFAS Forever Chemicals Test
$339.95
Specialized test for PFOA, PFOS, and 24 other forever chemicals. Essential for areas near military bases, airports, or industrial sites.

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 Buena Park's water readings can explain
Utility-reported data for Buena Park includes turbidity, sulfate and a chlorine-based disinfectant โ the readings behind these common tap water questions. We publish a city-level hardness figure for Buena Park, 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 Buena Park? Public-water results do not apply to private wells. See Orange County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Buena Park
Buena Park's tap water measures 9.0 grains per gallon (154.0 mg/L) โ hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 9.0 gpg water in Buena Park 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 California as a whole, read water softener cost in California โ priced against the plumber wage published for the state.
Frequently Asked Questions About Buena Park Tap Water
Buena Park's water has 3 contaminants above EPA MCLGs and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029). 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 Buena Park's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach CITY OF BUENA PARK. For a problem with your water now (discolored water, no water, low pressure, a leak), contact CITY OF BUENA PARK directly.
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