Is Holton, IN Tap Water Safe to Drink?
Graded A-, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
88.8/100
waterverge.com Holton, IN — Water Quality Report
Holton's drinking water received a grade of A- (88.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,363 residents using purchased ground water.
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 12 violations on record, including 1 health-based violation. 6 remain unresolved.
What to know about Holton's water
Holton ranks #78 out of 414 cities in Indiana for water quality, placing it above average in the state.
Holton purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.
As a small community water system, Holton may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Holton, IN water safe to drink?
Holton's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,363 residents using groundwater (wells).
Recent water quality updates for Holton
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Holton's water quality assessment. Grade: A- (88.8/100).
Contaminants: Consumer Confidence Rule.
1 health-based. Contaminants: Coliform (TCR).
Contaminants: Consumer Confidence Rule.
Federal disaster declaration (FEMA DR-3238). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-247). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Holton's water supply.
Well within EPA limits.
Violation history
Holton's water system has 12 total violations on record, including 1 health-based violation. 6 remain unresolved.
Flood & environmental risk
Ripley County has experienced 2 federally declared disasters since 1968. 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 Brush Creek.
Where does Holton's water come from?
Holton's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,363 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Brush Creek (river).
What Holton residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Holton'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.
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 Holton
Industrial polluters nearby
Reported releases to surface water by facilities near Holton, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
BEST METAL FINISHING / EFG OSGOOD OSGOOD, IN47037 | — | — | 5.5 mi |
DAVE O'MARA CONTRACTOR INC. VERSAILLES, IN47042 | — | — | 7.9 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Ripley County has experienced 2 federally declared disasters since 1968. 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 Holton compares by contaminant
Explore where Holton ranks among all Indiana cities for specific contaminants.
Water source & infrastructure
Where Holton's water comes from
Holton purchases its water supply from a regional wholesale provider rather than treating raw water directly.
Water quality depends on both the wholesaler's treatment standards and the condition of Holton's local distribution pipes and storage facilities.
Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.
The system is operated by private ownership and serves approximately 2,363 people through 1 water system.
Water bodies near Holton
Holton is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Holton
| System Name | PWSID | Population | Source |
|---|---|---|---|
| HOLTON COMMUNITY WATER CORP. | IN5269008 | 2,363 | GWP |
How Holton compares
Full Indiana rankings →Holton's score of 88.8/100 is above the average of 70/100 among major Indiana cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Indiana rankings →About Holton, IN
Wikipedia →Holton is a town in Otter Creek Township, Ripley County, in the U.S. state of Indiana. As of the 2020 census, Holton had a population of 417.
Learn more about your water
Guides and resources related to Holton's water quality findings.
Explore water quality across Ripley
Frequently asked questions
Is Holton, IN tap water safe to drink?
Holton's water quality earned a grade of A- (88.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #78 out of 414 cities tested in Indiana.
What contaminants are in Holton's water?
Lead was measured at 0.0 ppb (90th percentile). 12 violations are on record.
How is Holton'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 Holton?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Holton's water come from?
Holton's water is sourced from Purchased ground water. The city has 1 water system serving approximately 2,363 residents.
What health violations has Holton's water system had?
Holton has 1 health-based violation on record. The most recent violation was recorded in October 2009. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.
Is Holton's groundwater at risk of contamination?
Holton 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 12 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 Holton's water compare to other cities?
Holton ranks #78 out of 414 cities in Indiana (better than 81% of state cities) and #3238 out of 15744 cities nationally (79th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Holton's small water system affect quality?
Holton's system serves approximately 2,363 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 12 violations on record.