Is Jamestown, IN Tap Water Safe to Drink?
Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
92.7/100
waterverge.com Jamestown, IN — Water Quality Report
Jamestown's drinking water received a grade of A (92.7 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,000 residents using groundwater.
Lead levels were measured at 0.0 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 25 violations on record, including 3 health-based violations. 3 remain unresolved.
What to know about Jamestown's water
Jamestown ranks #21 out of 414 cities in Indiana for water quality, placing it one of the best in the state.
Jamestown 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.
As a small community water system, Jamestown may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Jamestown, IN water safe to drink?
Jamestown's drinking water has significant quality concerns based on EPA testing data. With a grade of A (92.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,000 residents using groundwater (wells).
Recent water quality updates for Jamestown
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Jamestown's water quality assessment. Grade: A (92.7/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Lead and Copper Rule.
Contaminants: Total Haloacetic Acids (HAA5).
Federal disaster declaration (FEMA DR-3238). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-1109). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Jamestown's water supply.
Well within EPA limits.
Violation history
Jamestown's water system has 25 total violations on record, including 3 health-based violations. 3 remain unresolved.
Flood & environmental risk
Boone 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 Big Walnut Creek.
Where does Jamestown's water come from?
Jamestown's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,000 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Big Walnut Creek (river).
What Jamestown residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Jamestown's water.
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.
Jamestown'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 Jamestown
Industrial polluters nearby
Reported releases to surface water by facilities near Jamestown, ranked by pounds discharged annually.
Total reported releases to surface water: 87 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
STEEL DYNAMICS INC-ENGINEERED BAR PRODUCTS DIV PITTSBORO, IN46167 | Manganese compounds | 87 | 8.5 mi |
KEN'S FOODS LEBANON LEBANON, IN46052 | — | — | 9.6 mi |
FUKAI TOYOTETSU INDIANA CORP JAMESTOWN, IN46147 | — | — | 0.1 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Boone 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.
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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Jamestown compares by contaminant
Explore where Jamestown ranks among all Indiana cities for specific contaminants.
Water source & infrastructure
Where Jamestown's water comes from
Jamestown'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 1,000 people through 1 water system.
Water bodies near Jamestown
Jamestown is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Jamestown
| System Name | PWSID | Population | Source |
|---|---|---|---|
| JAMESTOWN MUNICIPAL WATER | IN5206008 | 1,000 | GW |
How Jamestown compares
Full Indiana rankings →Jamestown's score of 92.7/100 is above the average of 70/100 among major Indiana cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Indiana rankings →About Jamestown, IN
Learn more about your water
Guides and resources related to Jamestown's water quality findings.
Explore water quality across Boone
Frequently asked questions
Is Jamestown, IN tap water safe to drink?
Jamestown's water quality earned a grade of A (92.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #21 out of 414 cities tested in Indiana.
What contaminants are in Jamestown's water?
Lead was measured at 0.0 ppb (90th percentile). 25 violations are on record.
How is Jamestown'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 Jamestown?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Jamestown's water come from?
Jamestown's water is sourced from Groundwater. The city has 1 water system serving approximately 1,000 residents.
What health violations has Jamestown's water system had?
Jamestown has 3 health-based violations on record. The most recent violation was recorded in July 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
Is Jamestown's groundwater at risk of contamination?
Jamestown 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 25 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 Jamestown's water compare to other cities?
Jamestown ranks #21 out of 414 cities in Indiana (better than 95% of state cities) and #1152 out of 15744 cities nationally (93th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Jamestown's small water system affect quality?
Jamestown's system serves approximately 1,000 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 25 violations on record.