Is Lower Sipaulovi, Lower Mishongnovi, CT Tap Water Safe to Drink?
Graded D, with 19 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
48/100
waterverge.com Lower Sipaulovi, Lower Mishongnovi, CT — Water Quality Report
Lower Sipaulovi, Lower Mishongnovi's drinking water received a grade of D (48 out of 100), indicating poor water quality. The city's 1 water system serves approximately 609 residents using purchased ground water.
Lead levels were measured at 5.0 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 293 violations on record, including 63 health-based violations. 19 remain unresolved.
What to know about Lower Sipaulovi, Lower Mishongnovi's water
Lower Sipaulovi, Lower Mishongnovi ranks #98 out of 158 cities in Connecticut for water quality, placing it below average in the state.
Lower Sipaulovi, Lower Mishongnovi 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, Lower Sipaulovi, Lower Mishongnovi may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 17 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Lower Sipaulovi, Lower Mishongnovi, CT water safe to drink?
Lower Sipaulovi, Lower Mishongnovi's drinking water has significant quality concerns based on EPA testing data. With a grade of D (48/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 609 residents using groundwater (wells).
Recent water quality updates for Lower Sipaulovi, Lower Mishongnovi
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Lower Sipaulovi, Lower Mishongnovi's water quality assessment. Grade: D (48/100).
Contaminants: Revised Total Coliform Rule, Public Notice, Chlorine.
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
1 health-based. Contaminants: Groundwater Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Lower Sipaulovi, Lower Mishongnovi's water supply.
Well within EPA limits.
Violation history
Lower Sipaulovi, Lower Mishongnovi's water system has 293 total violations on record, including 63 health-based violations. 19 remain unresolved. 17 violations were issued in the last 5 years.
Where does Lower Sipaulovi, Lower Mishongnovi's water come from?
Lower Sipaulovi, Lower Mishongnovi's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 609 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Lower Sipaulovi, Lower Mishongnovi residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Lower Sipaulovi, Lower Mishongnovi'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.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
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. | 5.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Lower Sipaulovi, Lower Mishongnovi compares by contaminant
Explore where Lower Sipaulovi, Lower Mishongnovi ranks among all Connecticut cities for specific contaminants.
Water source & infrastructure
Where Lower Sipaulovi, Lower Mishongnovi's water comes from
Lower Sipaulovi, Lower Mishongnovi 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 Lower Sipaulovi, Lower Mishongnovi'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 native american ownership and serves approximately 609 people through 1 water system.
Water systems serving Lower Sipaulovi, Lower Mishongnovi
| System Name | PWSID | Population | Source |
|---|---|---|---|
| Sipaulovi (Lower Sipaulovi/Lower Mishongnovi) | 090400107 | 609 | GWP |
How Lower Sipaulovi, Lower Mishongnovi compares
Full Connecticut rankings →Lower Sipaulovi, Lower Mishongnovi's score of 48/100 is on par with the average of 47/100 among major Connecticut cities. It outscores 6 of 10 nearby cities.
Nearby cities
View Connecticut rankings →Learn more about your water
Guides and resources related to Lower Sipaulovi, Lower Mishongnovi's water quality findings.
Frequently asked questions
Is Lower Sipaulovi, Lower Mishongnovi, CT tap water safe to drink?
Lower Sipaulovi, Lower Mishongnovi's water quality earned a grade of D (48/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #98 out of 158 cities tested in Connecticut.
What contaminants are in Lower Sipaulovi, Lower Mishongnovi's water?
Lead was measured at 5.0 ppb (90th percentile). 293 violations are on record.
How is Lower Sipaulovi, Lower Mishongnovi'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 Lower Sipaulovi, Lower Mishongnovi?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Lower Sipaulovi, Lower Mishongnovi's water come from?
Lower Sipaulovi, Lower Mishongnovi's water is sourced from Purchased ground water. The city has 1 water system serving approximately 609 residents.
What health violations has Lower Sipaulovi, Lower Mishongnovi's water system had?
Lower Sipaulovi, Lower Mishongnovi has 63 health-based violations 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. 19 violations remain unresolved.
Is Lower Sipaulovi, Lower Mishongnovi's groundwater at risk of contamination?
Lower Sipaulovi, Lower Mishongnovi 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 293 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 Lower Sipaulovi, Lower Mishongnovi's water compare to other cities?
Lower Sipaulovi, Lower Mishongnovi ranks #98 out of 158 cities in Connecticut (better than 38% of state cities) and #13549 out of 15744 cities nationally (14th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Lower Sipaulovi, Lower Mishongnovi's small water system affect quality?
Lower Sipaulovi, Lower Mishongnovi's system serves approximately 609 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 293 violations on record.