43338
Mount Gilead, OH
Morrow County · Columbus, OH metro area
DEL-CO WATER COMPANY, INC.

Is Mount Gilead tap water safe to drink?

Higher concern
Last tested: September 2025
Source: Official EPA UCMR5 federal monitoring data. Last tested September 2025.
CDP:
Townships:
  • Congress, OH
  • Gilead, OH
  • Franklin, OH
  • Washington, OH
  • Perry, OH
  • Chester, OH
  • Harmony, OH
Neighborhood:
  • Mount Gilead

The short answer for Mount Gilead

Mount Gilead tap water has 4 contaminants above EPA guidelines, including lithium at 3.7× the limit (tested September 2025). See the full compound-by-compound breakdown and filter recommendations.

The health risk for Mount Gilead

lithium has been detected above EPA limits in this water system's recent tests. A certified filter designed for this contaminant type is strongly recommended.
  • lithium, PFBS, PFPeA above limit.
lithium concentration (µg/L) September 2025
0 µg/L 10 µg/L 50 µg/L
37.000 µg/L
Detected
µg/L
10 µg/L
EPA limit
guideline
270% above limit
Comparison
vs. guideline
EPA limit: 10 µg/L | Your water: 37.000 µg/L
Certified Filters for Mount Gilead Tap Water

lithium was detected above EPA limits. These filters are independently certified to reduce common drinking-water contaminants.

Water filter recommendation for Mount Gilead tap water: Epic Pure XP Water Filter Pitcher
Pitcher filter
Epic Pure XP Water Filter Pitcher
NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.
NSF/ANSI 42, 53, 401 & P473Removes 99.99% PFASMade in USABPA-free
Best for renters or quick setup. No installation needed.
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Most elevated compounds
Compound Measurement EPA Limit Comparison
lithium
Tested: September 2025 · Treatment Plant (5956763) - Wells 1-5		 37.000 µg/L 10 µg/L 270% above limit
PFPeA
Tested: April 2024 · Olentangy WTP		 0.005 µg/L 0.003 µg/L 80% above limit
lithium
Tested: January 2024 · East Knox WTP		 12.900 µg/L 10 µg/L 29% above limit
PFBS
Tested: April 2024 · Olentangy WTP		 0.004 µg/L 0.003 µg/L 27% above limit
4:2 FTS
Tested: April 2024 · Alum Creek WTP		 0.003 µg/L 0.003 µg/L 100% of limit
View all tested compounds

Olentangy WTP · Tested: April 2024

Compound Measurement EPA Limit Comparison
PFPeA 0.005 µg/L 0.003 µg/L 80% above limit
PFBS 0.004 µg/L 0.003 µg/L 27% above limit
PFHxA 0.006 µg/L 3 µg/L 0.2% of limit
PFBA 0.008 µg/L 6 µg/L 0.1% of limit
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
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
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
PFTrDA <0.007 µg/L 0.007 µg/L Below limit
PFUnA <0.002 µg/L 0.002 µg/L Below limit

East Knox WTP · Tested: January 2024

Compound Measurement EPA Limit Comparison
lithium 12.900 µg/L 10 µg/L 29% above 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

Treatment Plant (5956763) - Wells 1-5 · Tested: September 2025

Compound Measurement EPA Limit Comparison
lithium 37.000 µg/L 10 µg/L 270% above 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

Alum Creek WTP · Tested: April 2024

Compound Measurement EPA Limit Comparison
4:2 FTS 0.003 µg/L 0.003 µg/L 100% of limit
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 43338

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 43338 Tap Water

What contaminants are above EPA limits in ZIP 43338?

ZIP 43338 has 4 contaminants above EPA health guidelines in the latest available data, including lithium at 3.7x the EPA guideline. The full table on this page lists every tested compound and its measured level.

Will boiling ZIP 43338 tap water remove lithium?

No. Boiling tap water does not remove lithium. Lithium is a dissolved mineral, so heat does not break it down and evaporation can actually concentrate it. Reverse osmosis (NSF/ANSI 58) is the most reliable at-home option for reducing lithium.

Do basic pitcher filters remove lithium?

Standard pitcher filters are not certified to reduce lithium. Reverse osmosis (NSF/ANSI 58) is the most widely available home option for reducing lithium in drinking water.

Who provides tap water in ZIP 43338?

Public records identify DEL-CO WATER COMPANY, INC. as a primary water system associated with ZIP 43338. Service boundaries can vary by address, so confirm exact service with the utility.

When was ZIP 43338 tap water last tested?

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

Where can I find the official water quality report for ZIP 43338?

Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact DEL-CO WATER COMPANY, INC. or visit their website for the latest official report covering ZIP 43338. The EPA also maintains a national CCR locator.

Primary source EPA UCMR5 (2023-2025)
Guideline source EPA drinking water standard (lithium: 10 µg/L)
Last tested September 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.

    Protect your water in Mount Gilead → see certified filters