Is Decatur, IN tap water safe?
The short answer
2 of the 3 utilities serving Decatur have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Oakwood Community Association, Inc. and Riverbend Estates.
Decatur Water Department, which serves the most people here, has 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 41.3 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Decatur’s ZIP codes, from EPA’s estimates.
- Open report
Decatur Water Department
Indiana · serves 9,900 people · about 370 in Decatur
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 41.3 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Oakwood Community Association, Inc.
Indiana · serves 210 people · under 100 in Decatur
Nothing in its records is above a health goal.
1 health-based violation since 2016
- Open report
Riverbend Estates
Indiana · serves 50 people · under 100 in Decatur
2 results above the health goal. The worst: Lead at 1.9 ppb, above the health goal.
3 health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Decatur Water Department’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Lead, Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Lead, Arsenic
Water testing near Decatur
The 3 labs Indiana certifies closest to Decatur, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
CF Environmental
Fort Wayne, IN · about 18 miles
Certified for bacteria, nitrate, lead and copper, metals
Element Laboratories -Ft. Wayne
Fort Wayne, IN · about 24 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Sandhill Environmental Services, LLC
Waterloo, IN · about 43 miles
Certified for bacteria, nitrate
Indiana Department of Health laboratory: Test kits for well water: nitrate, fluoride, and arsenic, lead and copper, ordered from the lab and returned by mail. They are open to the public. Nitrate is $10 a sample plus $6.50 shipping per order, fluoride $10 plus shipping, and the arsenic, lead and copper kit $20 plus $6.50 shipping. Water Testing, Indiana Department of Health.
All 81 certified labs for IndianaZIP codes in Decatur
Which ZIP codes are in Decatur: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Indiana Department of Health, certified drinking water laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Decatur
Towns nearby with a page of their own.
What to do next
- Read Decatur Water Department’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water