Is Rosedale, LA Tap Water Safe to Drink?
Graded B-, with 8 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
70.2/100
waterverge.com Rosedale, LA — Water Quality Report
Rosedale's drinking water received a grade of B- (70.2 out of 100), indicating fair water quality. The city's 1 water system serves approximately 664 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 19 violations on record, including 9 health-based violations. 8 remain unresolved.
What to know about Rosedale's water
Rosedale ranks #151 out of 309 cities in Louisiana for water quality, placing it mid-range in the state.
Rosedale 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, Rosedale may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Rosedale, LA water safe to drink?
Rosedale's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (70.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 664 residents using groundwater (wells).
Recent water quality updates for Rosedale
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Rosedale's water quality assessment. Grade: B- (70.2/100).
1 health-based. Contaminants: TTHM.
1 health-based. Contaminants: TTHM.
1 health-based. Contaminants: TTHM.
Key contaminant findings
Based on the most recent EPA sampling data for Rosedale's water supply.
Well within EPA limits.
Violation history
Rosedale's water system has 19 total violations on record, including 9 health-based violations. 8 remain unresolved. 7 violations were issued in the last 5 years.
Where does Rosedale's water come from?
Rosedale's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 664 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Bayou Grosse Tete S. Of I10 At Grosse Tete (river), Choctaw Bayou At I-10 East Of Grosse Tete (river).
What Rosedale residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Rosedale'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
Drought conditions
D1 — moderate droughtIberville Parish 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.
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 Rosedale compares by contaminant
Explore where Rosedale ranks among all Louisiana cities for specific contaminants.
Water source & infrastructure
Where Rosedale's water comes from
Rosedale'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 664 people through 1 water system.
Water bodies near Rosedale
Rosedale is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Rosedale
| System Name | PWSID | Population | Source |
|---|---|---|---|
| VILLAGE OF ROSEDALE WATER SYSTEM | LA1047006 | 664 | GW |
How Rosedale compares
Full Louisiana rankings →Rosedale's score of 70.2/100 is above the average of 53/100 among major Louisiana cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Louisiana rankings →About Rosedale, LA
Wikipedia →Rosedale is a village in Iberville Parish, Louisiana, United States. The population was 664 in 2020. It is part of the Baton Rouge metropolitan statistical area.
Learn more about your water
Guides and resources related to Rosedale's water quality findings.
Explore water quality across Iberville Parish
Frequently asked questions
Is Rosedale, LA tap water safe to drink?
Rosedale's water quality earned a grade of B- (70.2/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #151 out of 309 cities tested in Louisiana.
What contaminants are in Rosedale's water?
Lead was measured at 0.0 ppb (90th percentile). 19 violations are on record.
How is Rosedale'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 Rosedale?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Rosedale's water come from?
Rosedale's water is sourced from Groundwater. The city has 1 water system serving approximately 664 residents.
What health violations has Rosedale's water system had?
Rosedale has 9 health-based violations on record. The most recent violation was recorded in April 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.
Is Rosedale's groundwater at risk of contamination?
Rosedale 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 19 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 Rosedale's water compare to other cities?
Rosedale ranks #151 out of 309 cities in Louisiana (better than 51% of state cities) and #10797 out of 15744 cities nationally (31th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Rosedale's small water system affect quality?
Rosedale's system serves approximately 664 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 19 violations on record.