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WaterSafeCheck

ZIP Code 70450 Water Quality Report

Mount Hermon, LA · Washington Parish County

Safety Score
B

Water Safety Grade

Good — Minor issues on record

Health Violations

2

Total Violations

2

Lead Risk

Moderate

Contaminants

2

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Active Water Quality Issues Detected

EPA records show 1 unresolved violation. Contact Mount Hermon Water District for current status.

About Tap Water in ZIP Code 70450

Tap water in ZIP code 70450 (Mount Hermon, LA) meets all federal safety standards and earns a solid B grade (score: 77/100). Served by Mount Hermon Water District, the water system has maintained general compliance with EPA Safe Drinking Water Act regulations, with only minor issues on record.

Water System

Mount Hermon Water District

EPA ID: LA1117021

Water Source

Ground Water

Population Served

1,107 residents

County

Washington Parish County, Louisiana

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Lead Levels in ZIP 70450

EPA action level: 15 ppb | Public health goal: 0 ppb

Lead Data Not Available

Lead testing data was not found in EPA records for ZIP code 70450. This may occur with very small systems or systems that report under a parent utility. Contact Mount Hermon Water District directly to request lead testing results or a copy of their Consumer Confidence Report.

Lead exposure risk in 70450 is rated Moderate. EPA models estimate a 33% probability of lead exposure risk in this ZIP code based on housing age, infrastructure age, and water system data. This may reflect a mix of older and newer housing stock and infrastructure. Families with young children should test their home's water and consider a certified NSF/ANSI 53 water filter.

Lead Exposure Risk Rating
Moderate
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

33%
Note: Lead levels above are the 90th percentile from EPA monitoring — meaning 90% of samples were at or below this level. Even "undetected" tap water lead doesn't account for lead leaching from home plumbing. If your home was built before 1986, individual tap testing is recommended.
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Violation History

Past 5 years — EPA SDWIS data

Mount Hermon Water District has recorded 2 health-based violations in the past 5 years. Multiple health violations suggest recurring compliance challenges. Residents should request a copy of the annual Consumer Confidence Report to understand what contaminants were involved and what corrective actions were taken. 1 violation is currently unresolved — meaning the issue has not yet been formally corrected in EPA records. This is a serious concern that residents should follow up on with their water utility.

Total Violations (5 yr)
2
Health-Based Violations
2
Unresolved Violations
1
Boil Water Advisories
0
Compliance Risk
High

Regulatory compliance risk is rated High. Mount Hermon Water District has a pattern of compliance issues that goes beyond isolated incidents. Residents should stay informed via their utility's Consumer Confidence Report.

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Contaminants Detected

Contaminants with health-based violations on record

EPA records identify 2 contaminants associated with health-based violations in ZIP code 70450: Stage 2 DBP Rule, Contaminant 0700. These contaminants exceeded the Maximum Contaminant Levels (MCLs) established by the EPA under the Safe Drinking Water Act at some point in the 5-year monitoring period. The presence of these violations does not necessarily mean water is currently unsafe — water systems are often required to increase monitoring and treatment when violations occur. Review the annual Consumer Confidence Report for the most current status.

Stage 2 DBP RuleContaminant 0700

⚖ Enforcement Actions

3 enforcement actions have been issued against Mount Hermon Water District — a high number that reflects sustained compliance struggles. Enforcement actions escalate from administrative orders to financial penalties when utilities repeatedly fail to meet safe drinking water standards.
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Water Source & Environmental Factors

Ground Water

This system draws water from underground aquifers. Groundwater is naturally filtered through soil and rock, but can still contain naturally occurring minerals like arsenic, radium, or nitrates.

Water Source Type
Ground Water
EPA Radon Zone

Lower potential

Zone 3
Annual Flood Risk Cost

Estimated annual flood-related costs per property

$6
Energy Burden

% of household income spent on energy — indicator of older infrastructure

4.37%

EPA Radon Zone 3 — lower radon potential, though the EPA still recommends testing all homes.

🛡 What Should You Do? — ZIP 70450 Recommendations

  • ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
  • ✓ Request your annual Consumer Confidence Report from Mount Hermon Water District
  • ✓ If your home was built before 1986, consider testing your own tap for lead
  • ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste

Frequently Asked Questions — ZIP 70450 Water Quality

Is tap water safe to drink in ZIP code 70450?+
Yes — tap water in 70450 (Mount Hermon, LA) currently meets all federal EPA standards with a water safety grade of B. No health-based violations are on record in the past 5 years. You can drink your tap water with confidence, though running the tap for 30 seconds in the morning is always a good practice.
What is the lead level in 70450 tap water?+
Lead level data from EPA monitoring is not available for 70450. Contact Mount Hermon Water District directly for the most recent lead testing results.
Who provides tap water to 70450?+
Tap water in ZIP code 70450 is provided by Mount Hermon Water District (EPA ID: LA1117021). This system serves approximately 1,107 residents. You can contact them directly for Consumer Confidence Reports, current advisories, and billing information.
What is the water source for 70450?+
ZIP code 70450 is served by ground water. Groundwater systems draw from underground aquifers. While naturally filtered, groundwater can still contain naturally occurring contaminants such as arsenic, radium, or nitrates at elevated levels in some regions.
Does 70450 have any active water quality violations?+
Yes — there are currently 1 unresolved violation on record for this water system. Unresolved violations indicate issues that have not yet been formally corrected in EPA tracking systems. Contact Mount Hermon Water District for the latest update.
How do I get a copy of my water quality report for 70450?+
Your water utility — Mount Hermon Water District — is required by law to send you an annual Consumer Confidence Report (CCR) by July 1 each year. You can also request it directly from the utility or find it online by searching "Mount Hermon Water District Consumer Confidence Report." The EPA's ECHO database also has historical compliance data.
What water filter should I use in 70450?+
The right filter depends on what contaminants are present. For lead, look for a filter certified to NSF/ANSI Standard 53. For chlorine byproducts (like THMs), NSF/ANSI 42 filters work well. For a broad range of contaminants including PFAS, look for NSF/ANSI 58 (reverse osmosis) systems. For ZIP code 70450, with detected contaminants including Stage 2 DBP Rule and Contaminant 0700, a multi-stage filter or reverse osmosis system is recommended.
Is 70450 tap water safe for babies and infants?+
Infants are especially vulnerable to lead, nitrates, and microbial contaminants in drinking water. Current EPA data for 70450 shows no available lead data — we recommend using a certified NSF/ANSI 53 lead filter as a precaution for infant formula. Always consult your pediatrician for guidance specific to your child's health.

Data Sources & Methodology

Water quality data for ZIP code 70450 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Mount Hermon Water District. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →