Water Quality in Humarock, MA: No Violations - Grade D
Grade D · Score 45/100 · 2 water systems · Updated 2026-07-18
Humarock's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-07-18
What does the EPA compliance record show for Humarock, MA? Zero violations documented across 2 water systems, with all health-based and monitoring thresholds met across all available federal records.
Water Quality by ZIP Code in Humarock
Humarock is covered by a single ZIP code, so one water-quality profile applies citywide. See the contaminant data below.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 02047 | D | 45 | 0 | 0 | View report → |
Violation Trend
EPA violations recorded for water systems serving Humarock.
Water Quality Overview
Humarock, Massachusetts receives a water quality grade of D with an overall score of 45 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
No EPA violations have been recorded for the 2 water systems serving Humarock. This is a positive indicator, though it does not guarantee the absence of all contaminants - some substances (like PFAS) are not yet fully regulated.
What Grade D Means
A grade of D indicates significant compliance issues. Humarock's water systems have accumulated violations that suggest ongoing water quality challenges. Residents should check their specific ZIP code report and consider water testing or filtration.
Lead Levels
Lead testing data for Humarock is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
With 80% of homes built before 1986, Humarock has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Radon Risk
Humarock is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Humarock
Humarock is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 142 people across 1 ZIP code.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 10 enforcement actions against water systems serving Humarock. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Humarock
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR - your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test - certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration - NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories - monitor your local utility website and local news for boil water advisories or system alerts
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving Humarock:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2021 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
Violation counts have remained stable over the observed period.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Humarock. Recent actions:
| Date | Action Type |
|---|---|
| 2025-01-23 | State Order Extension |
| 2025-01-22 | State Filed Suit |
| 2024-08-28 | State Filed Suit |
| 2024-04-24 | State Filed Suit |
| 2023-08-17 | State Filed Suit |
| 2023-08-15 | State Order Extension |
| 2022-08-15 | State Filed Suit |
| 2022-08-15 | State Order Extension |
| 2021-09-21 | State Filed Suit |
| 2021-08-27 | State Filed Suit |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-01-23.
Humarock vs. Nearby Massachusetts Cities
How Humarock's water quality compares to similar cities in Massachusetts:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Humarock | D | 0 | 2 | 142 |
| Hathorne | D | 0 | 1 | 146 |
| Monponsett | C | 0 | 2 | 149 |
| Whately | B | 1 | 2 | 149 |
Common Questions About Humarock Water
These are the most common questions residents search for about water quality in Humarock, Massachusetts:
Is Humarock water hard or soft? Water hardness varies by source. Humarock's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Humarock tap water? Humarock's water receives a grade of D (45/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Humarock? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Humarock vs. Massachusetts Average
Understanding how Humarock compares to the broader Massachusetts average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below - water quality can vary significantly even within Humarock.
ZIP Codes in Humarock
Humarock spans 1 ZIP code. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.