Is Sheridan, IN Tap Water Safe to Drink?
Graded A — but Copper, Strontium and 1 more were detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
92.2/100
Sheridan, IN — Water Quality Report
Sheridan's drinking water received a grade of A (92.2 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 4,435 residents using groundwater.
Lead levels were measured at 2.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 5 violations on record, including 2 health-based violations. All violations have been resolved.
What to know about Sheridan's water
Sheridan ranks #24 out of 414 cities in Indiana for water quality, placing it one of the best in the state.
Sheridan relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
Hexavalent chromium (chromium-6) was detected at 0.03 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.
Water quality score
See methodology →Is Sheridan, IN water safe to drink?
Based on EPA testing data, Sheridan's tap water is generally safe to drink. The water system earned a grade of A (92.2/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 4,435 residents using groundwater (wells).
Recent water quality updates for Sheridan
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Sheridan's water quality assessment. Grade: A (92.2/100).
Federal disaster declaration (FEMA DR-3238). Hurricane event — may have impacted local water infrastructure.
Contaminants: Coliform (TCR).
Federal disaster declaration (FEMA DR-1109). Flood event — may have impacted local water infrastructure.
Contaminants: Coliform (TCR).
1 health-based. Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Sheridan's water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Sheridan's water system has 5 total violations on record, including 2 health-based violations. All violations have been resolved.
Flood & environmental risk
Johnson County has experienced 3 federally declared disasters since 1991. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include White River, Germania Creek, Neeld Ditch, Eagle Creek, White R..
Where does Sheridan's water come from?
Sheridan's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 4,435 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include White River (river), Germania Creek (river), Neeld Ditch (river), Eagle Creek (river), White R. (river).
What Sheridan residents can do
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Sheridan's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Sheridan
Industrial polluters nearby
Reported releases to surface water by facilities near Sheridan, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
EMC PRECISION II SHERIDAN, IN46069 | — | — | 0.2 mi |
COUNTRYMARK REFINING & LOGISTICS LLC WESTFIELD, IN46074 | — | — | 6.1 mi |
INDIANA MILLS & MANUFACTURING INC. WESTFIELD, IN46074 | — | — | 6.9 mi |
WEAS ENGINEERING WESTFIELD, IN46074 | — | — | 7.5 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Sheridan
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- NORTHSIDE SANITARY LANDFILL INC7.7 mi
- ENVIROCHEM CORP7.7 mi
Source: EPA Superfund National Priorities List
Flood & disaster history
Johnson County has experienced 3 federally declared disasters since 1991. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Sheridan's water supply, we recommend the following filter types.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 2.0 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 1.90 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Sheridan compares by contaminant
Explore where Sheridan ranks among all Indiana cities for specific contaminants.
Water source & infrastructure
Where Sheridan's water comes from
Sheridan's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 4,435 people through 1 water system.
Water bodies near Sheridan
Sheridan is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Sheridan
| System Name | PWSID | Population | Source |
|---|---|---|---|
| INDIANA AMERICAN WATER - SHERIDAN | IN5229014 | 4,435 | GW |
How Sheridan compares
Full Indiana rankings →Sheridan's score of 92.2/100 is above the average of 70/100 among major Indiana cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Indiana rankings →About Sheridan, IN
Wikipedia →Greenwood is a city in Johnson County, Indiana, United States. The population was 63,830 at the 2020 Census. Greenwood is located southeast of central Indianapolis between Interstate 65 and Interstate 69. It is the most populous suburban municipality in the southern portion of the Indianapolis Metropolitan Area.
Learn more about your water
Guides and resources related to Sheridan's water quality findings.
Explore water quality across Hamilton
Frequently asked questions
Is Sheridan, IN tap water safe to drink?
Sheridan's water quality earned a grade of A (92.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #24 out of 414 cities tested in Indiana.
What contaminants are in Sheridan's water?
Lead was measured at 2.0 ppb (90th percentile). 5 violations are on record.
How is Sheridan's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Sheridan?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Sheridan's water come from?
Sheridan's water is sourced from Groundwater. The city has 1 water system serving approximately 4,435 residents.
What health violations has Sheridan's water system had?
Sheridan has 2 health-based violations on record. The most recent violation was recorded in January 1998. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. All health violations have been resolved.
Is Sheridan's groundwater at risk of contamination?
Sheridan uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 5 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Sheridan's water compare to other cities?
Sheridan ranks #24 out of 414 cities in Indiana (better than 94% of state cities) and #1332 out of 15744 cities nationally (92th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.