Is Waterproof, LA Tap Water Safe to Drink?
Graded C, with 33 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
61.6/100
waterverge.com Waterproof, LA — Water Quality Report
Waterproof's drinking water received a grade of C (61.6 out of 100), indicating fair water quality. The city's 1 water system serves approximately 786 residents using purchased surface water.
Lead levels were measured at 2.0 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 85 violations on record, including 14 health-based violations. 33 remain unresolved.
What to know about Waterproof's water
Waterproof ranks #172 out of 309 cities in Louisiana for water quality, placing it below average 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.
As a small community water system, Waterproof may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 12 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Waterproof, LA water safe to drink?
Waterproof's drinking water has significant quality concerns based on EPA testing data. With a grade of C (61.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 786 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Waterproof
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Waterproof's water quality assessment. Grade: C (61.6/100).
Contaminants: Lead and Copper Rule.
Contaminants: Consumer Confidence Rule.
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Key contaminant findings
Based on the most recent EPA sampling data for Waterproof's water supply.
Well within EPA limits.
Violation history
Waterproof's water system has 85 total violations on record, including 14 health-based violations. 33 remain unresolved. 12 violations were issued in the last 5 years.
Where does Waterproof's water come from?
Waterproof's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 786 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.
What Waterproof residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Waterproof'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
D3 — extreme droughtTensas Parish is currently in D3 (extreme 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. | 2.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Waterproof compares by contaminant
Explore where Waterproof ranks among all Louisiana cities for specific contaminants.
Water source & infrastructure
Where Waterproof's water comes from
Waterproof'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 786 people through 1 water system.
Water systems serving Waterproof
| System Name | PWSID | Population | Source |
|---|---|---|---|
| WATERPROOF WATER SYSTEM | LA1107005 | 786 | SWP |
How Waterproof compares
Full Louisiana rankings →Waterproof's score of 61.6/100 is above the average of 53/100 among major Louisiana cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Louisiana rankings →About Waterproof, LA
Learn more about your water
Guides and resources related to Waterproof's water quality findings.
Explore water quality across Tensas Parish
Frequently asked questions
Is Waterproof, LA tap water safe to drink?
Waterproof's water quality earned a grade of C (61.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #172 out of 309 cities tested in Louisiana.
What contaminants are in Waterproof's water?
Lead was measured at 2.0 ppb (90th percentile). 85 violations are on record.
How is Waterproof'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 Waterproof?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Waterproof's water come from?
Waterproof's water is sourced from Purchased surface water. The city has 1 water system serving approximately 786 residents.
What health violations has Waterproof's water system had?
Waterproof has 14 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 33 violations remain unresolved.
How does Waterproof's water compare to other cities?
Waterproof ranks #172 out of 309 cities in Louisiana (better than 44% of state cities) and #11974 out of 15744 cities nationally (24th percentile). The grade of C reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Waterproof's small water system affect quality?
Waterproof's system serves approximately 786 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 85 violations on record.