Is Cromwell, IN Tap Water Safe to Drink?
Graded A-, with 14 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
86/100
Cromwell, IN — Water Quality Report
Cromwell's drinking water received a grade of A- (86 out of 100), indicating good water quality. The city's 2 water systems serve approximately 1,143 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 109 violations on record, including 1 health-based violation. 14 remain unresolved.
What to know about Cromwell's water
Cromwell ranks #144 out of 414 cities in Indiana for water quality, placing it mid-range in the state.
Cromwell 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, Cromwell may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Cromwell, IN water safe to drink?
Cromwell's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (86/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,143 residents using groundwater (wells).
Recent water quality updates for Cromwell
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Cromwell's water quality assessment. Grade: A- (86/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Lead and Copper Rule.
Contaminants: Consumer Confidence Rule.
Federal disaster declaration (FEMA DR-3238). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-891). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Cromwell's water supply.
Well within EPA limits.
Violation history
Cromwell's water system has 109 total violations on record, including 1 health-based violation. 14 remain unresolved. 1 violation was issued in the last 5 years.
Flood & environmental risk
Noble County has experienced 2 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 Tippecanoe River, Nb Elkhart River.
Where does Cromwell's water come from?
Cromwell's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,143 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Tippecanoe River (river), Nb Elkhart River (river).
What Cromwell residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Cromwell'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 Cromwell
Industrial polluters nearby
Reported releases to surface water by facilities near Cromwell, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
FOREST RIVER INC. - MILLERSBURG MILLERSBURG, IN46543 | — | — | 9.6 mi |
HIGHWATER MARINE LLC. SYRACUSE OPERATIONS SYRACUSE, IN46567 | — | — | 7.2 mi |
J.P. INC. DBA JASPER PLASTIC SOLUTIONS SYRACUSE, IN46567 | — | — | 7.3 mi |
KEYSTONE RECREATIONAL VEHICLE CO 840 DUTCHMEN SYRACUSE, IN46567 | — | — | 7.6 mi |
NISHIKAWA COOPER LLC TOPEKA, IN46571 | — | — | 9.9 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Noble County has experienced 2 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 Cromwell compares by contaminant
Explore where Cromwell ranks among all Indiana cities for specific contaminants.
Water source & infrastructure
Where Cromwell's water comes from
Cromwell'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 1,143 people through 2 water systems.
Water bodies near Cromwell
Cromwell is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Cromwell
| System Name | PWSID | Population | Source |
|---|---|---|---|
| TURKEY CREEK REGIONAL SEWER DISTRICT | IN5243032 | 593 | GW |
| CROMWELL WATER WORKS | IN5257004 | 550 | GW |
How Cromwell compares
Full Indiana rankings →Cromwell's score of 86/100 is above the average of 70/100 among major Indiana cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Indiana rankings →About Cromwell, IN
Learn more about your water
Guides and resources related to Cromwell's water quality findings.
Explore water quality across Kosciusko
Frequently asked questions
Is Cromwell, IN tap water safe to drink?
Cromwell's water quality earned a grade of A- (86/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #144 out of 414 cities tested in Indiana.
What contaminants are in Cromwell's water?
Lead was measured at 0.0 ppb (90th percentile). 109 violations are on record.
How is Cromwell'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 Cromwell?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Cromwell's water come from?
Cromwell's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,143 residents.
What health violations has Cromwell's water system had?
Cromwell has 1 health-based violation on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.
Is Cromwell's groundwater at risk of contamination?
Cromwell 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 109 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 Cromwell's water compare to other cities?
Cromwell ranks #144 out of 414 cities in Indiana (better than 65% of state cities) and #5000 out of 15744 cities nationally (68th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.