McFarland Tap Water Quality Report
McFarland's water has 1 contaminant above EPA MCLGs. Consider using a certified water filter for additional protection.
Water system
MCFARLAND, CITY OF
People Served
15,506
Health-based violations since 2020
6
MCFARLAND, CITY OF. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Aug 2025 ยท MCFARLAND, CITY OF
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is McFarland Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. McFarland's water has 1 contaminant above EPA health-based guidelines (MCLGs).
MCFARLAND, CITY OF, McFarland's water system, serves 15,506 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for MCFARLAND, CITY OF is from Aug 2025.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in California
McFarland Water Service Areas

What these numbers actually mean for McFarland, CA
We read McFarland, 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.
- 1 contaminant above EPA MCLGs, 9 contaminants with an EPA health goal detected in some samples (no level on file) and 6 health-based EPA violations that began after the latest compliance result on file
- 166 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Fluoride in McFarland's water
MCFARLAND, CITY OF
PWSID CA1510013
MCFARLAND, CITY OF reported 0.3 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
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Recommended Water Filters for McFarland
Based on McFarland's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

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

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:

iSpring Water Systems LLC
RCC7
NSF Certified:
Daily Production
21.04 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 21.04 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 1 contaminants:
Test Your Water Quality
Professional laboratory testing provides accurate, detailed analysis of your drinking water.

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

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
What McFarland's water readings can explain
Utility-reported data for McFarland 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 McFarland, 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 McFarland? Public-water results do not apply to private wells. See Kern County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in McFarland
McFarland's tap water measures 0.3 grains per gallon (5.0 mg/L) โ soft on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for 0.3 gpg water in McFarland 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 McFarland Tap Water
McFarland's water has 1 contaminant above EPA MCLGs. We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. EPA records 6 health-based violations for MCFARLAND, CITY OF that began after its latest compliance result on file (Mar 2023): Maximum Contaminant Level Violation, Single Sample (Nitrate), 6 violations, the first beginning on August 1, 2023 and the latest on October 1, 2025. Every such result predates them; its later EPA UCMR 5 results (Aug 2025) screen for unregulated contaminants and cannot show the water met this standard, so this page does not call the water safe.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach MCFARLAND, CITY OF. For a problem with your water now (discolored water, no water, low pressure, a leak), contact MCFARLAND, CITY OF directly.
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