Is Taswell, IN Tap Water Safe to Drink?
Graded D — but Lead and Copper were detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
46.4/100
waterverge.com Taswell, IN — Water Quality Report
Taswell's drinking water received a grade of D (46.4 out of 100), indicating poor water quality. The city's 1 water system serves approximately 1,038 residents using purchased surface water.
Lead levels were measured at 16.9 ppb (90th percentile), which exceeds the EPA action level of 15 ppb. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 21 violations on record, including 1 health-based violation. 16 remain unresolved.
What to know about Taswell's water
Taswell ranks #395 out of 414 cities in Indiana for water quality, placing it among the lowest-rated in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
Lead levels exceed the EPA action level of 15 ppb, which typically indicates aging lead service lines or lead solder in the distribution system. An NSF 53-certified filter is strongly recommended for drinking and cooking water.
As a small community water system, Taswell may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 13 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Taswell, IN water safe to drink?
Taswell's drinking water has significant quality concerns based on EPA testing data. With a grade of D (46.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,038 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Taswell
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Taswell's water quality assessment. Grade: D (46.4/100).
Contaminants: Groundwater Rule.
Contaminants: Consumer Confidence Rule.
Contaminants: Consumer Confidence Rule.
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 Taswell's water supply.
Exceeds EPA action level. Lead service line replacement and point-of-use filtration recommended.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Taswell's water system has 21 total violations on record, including 1 health-based violation. 16 remain unresolved. 13 violations were issued in the last 5 years.
Flood & environmental risk
Dubois County has experienced 3 federally declared disasters since 1979. 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 Patoka Lake, Patoka River.
Where does Taswell's water come from?
Taswell's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,038 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Patoka Lake (lake), Patoka River (river).
What Taswell residents can do
Recommended: NSF 53-certified pitcher or under-sink filter. This addresses the specific contaminants found in Taswell'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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Taswell'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
Drought conditions
D1 — moderate droughtCrawford County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Dubois County has experienced 3 federally declared disasters since 1979. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Taswell'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. | 16.9 | 15 | ppb | Inorganic | Over Limit |
| 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. | 1.44 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level (90th percentile)
Latest reading: 1.440 mg/L (2024)
EPA action level: 1.3 mg/L
See how Taswell compares by contaminant
Explore where Taswell ranks among all Indiana cities for specific contaminants.
Water source & infrastructure
Where Taswell's water comes from
Taswell's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 1,038 people through 1 water system.
Water bodies near Taswell
Taswell is located near 2 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Taswell
| System Name | PWSID | Population | Source |
|---|---|---|---|
| PATOKA WATER COMPANY, INC. | IN5213007 | 1,038 | SWP |
How Taswell compares
Full Indiana rankings →Taswell's score of 46.4/100 is below the average of 70/100 among major Indiana cities. It outscores 1 of 10 nearby cities. 9 of 10 nearby cities score higher.
Nearby cities
View Indiana rankings →About Taswell, IN
Learn more about your water
Guides and resources related to Taswell's water quality findings.
Explore water quality across Crawford
Frequently asked questions
Is Taswell, IN tap water safe to drink?
Taswell's water quality earned a grade of D (46.4/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #395 out of 414 cities tested in Indiana.
What contaminants are in Taswell's water?
Lead was measured at 16.9 ppb (90th percentile). 21 violations are on record.
How is Taswell'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 Taswell?
Yes — lead levels exceed the EPA action level of 15 ppb. We recommend an NSF 53-certified filter or reverse osmosis system. Based on current data, basic filtration should suffice for additional peace of mind.
Where does Taswell's water come from?
Taswell's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,038 residents.
What health violations has Taswell's water system had?
Taswell has 1 health-based violation on record. The most recent violation was recorded in November 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 16 violations remain unresolved.
How does Taswell's water compare to other cities?
Taswell ranks #395 out of 414 cities in Indiana (better than 5% of state cities) and #13878 out of 15744 cities nationally (12th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Taswell's small water system affect quality?
Taswell's system serves approximately 1,038 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 21 violations on record.