32656
Keystone Heights, FL
Clay County · Jacksonville, FL metro area
KEYSTONE POSTMASTER GRID

Is Keystone Heights tap water safe to drink?

Some concern
Last tested: August 2025
Source: EPA UCMR5 utility monitoring plus EPA Water Quality Portal well sampling (mapped to nearest ZIP). Last tested August 2025.
Township:
  • Keystone Heights CCD, FL
Neighborhood:
  • Keystone Heights

The short answer for Keystone Heights

Keystone Heights tap water has 5 detected contaminants, currently below EPA limits (tested July 2024). Arsenic measured closest to the threshold. See the full compound-by-compound report.

The health risk for Keystone Heights

Arsenic was detected in local water tests, currently below EPA limits. Even below-limit detections can still be meaningful for sensitive households, so a targeted certified filter can add protection.
  • PFAS or other chemicals detected; no confirmed exceedances in multiple samples.
Arsenic concentration (µg/L) July 2024
0 µg/L 10 µg/L 20 µg/L
0.500 µg/L
Detected
µg/L
10 µg/L
EPA limit
guideline
5% of limit
Comparison
vs. guideline
EPA limit: 10 µg/L | Your water: 0.500 µg/L
Add a Layer of Protection for Keystone Heights Tap Water

Arsenic was detected below EPA limits. A certified filter can still add an extra layer of protection.

Water filter recommendation for Keystone Heights tap water: Epic Pure XP Water Filter Pitcher
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Most elevated compounds

No compounds above or close to EPA limits in available data.

View all tested compounds

C-0705 · Tested: Multiple dates

Compound Measurement EPA Limit Comparison
Arsenic 0.500 µg/L 10 µg/L 5% of limit
Chromium 0.500 µg/L 100 µg/L 0.5% of limit
Lead 0.050 µg/L 15 µg/L 0.3% of limit
Copper 0.500 µg/L 1300 µg/L 0.0% of limit
Nitrate + Nitrite 0.010 mg/L 1E+04 mg/L 0.0% of limit
Alkalinity, total 67.683 mg/L — —
Aluminum 5.000 µg/L — —
Ammonia 0.060 mg/L — —
Ammonia-nitrogen 0.396 mg/L — —
Antimony 0.500 µg/L — —
Barium 4.907 µg/L — —
Beryllium 0.050 µg/L — —
Cadmium 0.050 µg/L — —
Calcium 29.720 mg/L — —
Chloride 6.910 mg/L — —
Escherichia coli 1.000 MPN/100mL — —
Fluoride 0.130 mg/L — —
Iron 5.000 µg/L — —
Magnesium 5.144 mg/L — —
Manganese 25.557 µg/L — —
Molybdenum 4.157 µg/L — —
Nickel 0.500 µg/L — —
Nitrogen, mixed forms (NH3)... 0.160 mg/L — —
Organic carbon 1.000 mg/L — —
Orthophosphate 0.025 mg/L — —
Phosphorus 0.048 mg/L — —
Potassium 0.544 mg/L — —
Purge Volume 57.000 gal — —
Selenium 5.000 µg/L — —
Silver 0.050 µg/L — —
Sodium 2.944 mg/L — —
Strontium 28.238 µg/L — —
Sulfate 3.000 mg/L — —
Thallium 0.050 µg/L — —
Tin 0.500 µg/L — —
Total Coliform 1.000 MPN/100mL — —
Total dissolved solids 110.000 mg/L — —
Total hardness 108.163 mg/L — —
Total Kjeldahl nitrogen (Or... 0.071 mg/L — —
True color 5.500 PCU — —
Vanadium 0.500 µg/L — —
Water level in well, depth ... 57.670 ft — —
Zinc 5.000 µg/L — —

KEYSTONE HEIGHTS WTP · Tested: August 2025

Compound Measurement EPA Limit Comparison
lithium <9.000 µg/L 10 µg/L Below limit
PFHxS <0.003 µg/L 0.004 µg/L Below limit
HFPO-DA <0.005 µg/L 0.01 µg/L Below limit
PFNA <0.004 µg/L 0.01 µg/L Below limit
PFHxA <0.003 µg/L 3 µg/L Below limit
PFBA <0.005 µg/L 6 µg/L Below limit
11Cl-PF3OUdS <0.005 µg/L 0.005 µg/L Below limit
4:2 FTS <0.003 µg/L 0.003 µg/L Below limit
6:2 FTS <0.005 µg/L 0.005 µg/L Below limit
8:2 FTS <0.005 µg/L 0.005 µg/L Below limit
9Cl-PF3ONS <0.002 µg/L 0.002 µg/L Below limit
ADONA <0.003 µg/L 0.003 µg/L Below limit
PFBS <0.003 µg/L 0.003 µg/L Below limit
PFDA <0.003 µg/L 0.003 µg/L Below limit
PFDoA <0.003 µg/L 0.003 µg/L Below limit
PFHpA <0.003 µg/L 0.003 µg/L Below limit
PFHpS <0.003 µg/L 0.003 µg/L Below limit
PFOA <0.004 µg/L 0.004 µg/L Below limit
PFOS <0.004 µg/L 0.004 µg/L Below limit
PFPeA <0.003 µg/L 0.003 µg/L Below limit
PFTrDA <0.007 µg/L 0.007 µg/L Below limit
PFUnA <0.002 µg/L 0.002 µg/L Below limit

POSTMASTER VILLAGE · Tested: August 2025

Compound Measurement EPA Limit Comparison
lithium <9.000 µg/L 10 µg/L Below limit
PFHxS <0.003 µg/L 0.004 µg/L Below limit
HFPO-DA <0.005 µg/L 0.01 µg/L Below limit
PFNA <0.004 µg/L 0.01 µg/L Below limit
PFHxA <0.003 µg/L 3 µg/L Below limit
PFBA <0.005 µg/L 6 µg/L Below limit
11Cl-PF3OUdS <0.005 µg/L 0.005 µg/L Below limit
4:2 FTS <0.003 µg/L 0.003 µg/L Below limit
6:2 FTS <0.005 µg/L 0.005 µg/L Below limit
8:2 FTS <0.005 µg/L 0.005 µg/L Below limit
9Cl-PF3ONS <0.002 µg/L 0.002 µg/L Below limit
ADONA <0.003 µg/L 0.003 µg/L Below limit
PFBS <0.003 µg/L 0.003 µg/L Below limit
PFDA <0.003 µg/L 0.003 µg/L Below limit
PFDoA <0.003 µg/L 0.003 µg/L Below limit
PFHpA <0.003 µg/L 0.003 µg/L Below limit
PFHpS <0.003 µg/L 0.003 µg/L Below limit
PFOA <0.004 µg/L 0.004 µg/L Below limit
PFOS <0.004 µg/L 0.004 µg/L Below limit
PFPeA <0.003 µg/L 0.003 µg/L Below limit
PFTrDA <0.007 µg/L 0.007 µg/L Below limit
PFUnA <0.002 µg/L 0.002 µg/L Below limit

Water utilities serving ZIP 32656

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline. Outlines appear when service-area boundary data is available for this ZIP.

Frequently Asked Questions about ZIP 32656 Tap Water

What's in ZIP 32656 tap water?

ZIP 32656 has 5 detected contaminants below EPA limits in this dataset. Arsenic measured closest to its guideline.

Will boiling ZIP 32656 tap water remove Arsenic?

Boiling tap water can kill many pathogens, but it does not remove most chemical contaminants tracked in EPA monitoring. Several dissolved contaminants can even concentrate as water evaporates. For the chemical contaminants reported in ZIP 32656, a certified filter is more reliable.

Do basic pitcher filters remove Arsenic?

Basic pitcher filters are typically rated for chlorine, taste, and odor (NSF/ANSI 42), not for the broader list of contaminants tracked in EPA monitoring. Match the certification (NSF/ANSI 42, 53, 58, or P473) to the specific compounds listed in this report before assuming a filter helps.

Who provides tap water in ZIP 32656?

Public records identify KEYSTONE POSTMASTER GRID as a primary water system associated with ZIP 32656. Service boundaries can vary by address, so confirm exact service with the utility.

When was ZIP 32656 tap water last tested?

The most recent test date used in this report is August 2025. EnviroClarity last refreshed this page on 2026-05-05.

Where can I find the official water quality report for ZIP 32656?

Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact KEYSTONE POSTMASTER GRID or visit their website for the latest official report covering ZIP 32656. The EPA also maintains a national CCR locator.

Primary source EPA UCMR5 (2023-2025) + EPA WQP (well monitoring near ZIP)
Guideline source EPA drinking water standard (PFHpA: 0,003 µg/L)
Last tested August 2025
Last page update 2026-05-05

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    Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.

    Filter Keystone Heights tap water → see certified options