Is Sandy Hook, MS Tap Water Safe to Drink?
Graded A, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
91.2/100
waterverge.com Sandy Hook, MS — Water Quality Report
Sandy Hook's drinking water received a grade of A (91.2 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 2,666 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 82 violations on record, including 1 health-based violation. 2 remain unresolved.
What to know about Sandy Hook's water
Sandy Hook ranks #9 out of 320 cities in Mississippi for water quality, placing it one of the best in the state.
Sandy Hook 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, Sandy Hook may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Sandy Hook, MS water safe to drink?
Sandy Hook's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.2/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 2,666 residents using groundwater (wells).
Recent water quality updates for Sandy Hook
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Sandy Hook's water quality assessment. Grade: A (91.2/100).
Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Federal disaster declaration (FEMA DR-4626). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3569). Hurricane event — may have impacted local water infrastructure.
Contaminants: Radium-226, Radium-228, Combined Uranium.
Contaminants: Radium-228, Radium-226.
Key contaminant findings
Based on the most recent EPA sampling data for Sandy Hook's water supply.
Well within EPA limits.
Violation history
Sandy Hook's water system has 82 total violations on record, including 1 health-based violation. 2 remain unresolved. 2 violations were issued in the last 5 years.
Flood & environmental risk
Marion County has experienced 10 federally declared disasters since 2008. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.
Where does Sandy Hook's water come from?
Sandy Hook's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,666 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Sandy Hook residents can do
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.
Sandy Hook's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
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 droughtWalthall County 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.
Flood & disaster history
Marion County has experienced 10 federally declared disasters since 2008. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
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 Sandy Hook compares by contaminant
Explore where Sandy Hook ranks among all Mississippi cities for specific contaminants.
Water source & infrastructure
Where Sandy Hook's water comes from
Sandy Hook'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 public/private ownership and serves approximately 2,666 people through 1 water system.
Water systems serving Sandy Hook
| System Name | PWSID | Population | Source |
|---|---|---|---|
| IMPROVE WATER ASSOCIATION | MS0740002 | 2,666 | GW |
How Sandy Hook compares
Full Mississippi rankings →Sandy Hook's score of 91.2/100 is above the average of 54/100 among major Mississippi cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Mississippi rankings →Learn more about your water
Guides and resources related to Sandy Hook's water quality findings.
Explore water quality across Walthall
Frequently asked questions
Is Sandy Hook, MS tap water safe to drink?
Sandy Hook's water quality earned a grade of A (91.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #9 out of 320 cities tested in Mississippi.
What contaminants are in Sandy Hook's water?
Lead was measured at 0.0 ppb (90th percentile). 82 violations are on record.
How is Sandy Hook'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 Sandy Hook?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Sandy Hook's water come from?
Sandy Hook's water is sourced from Groundwater. The city has 1 water system serving approximately 2,666 residents.
What health violations has Sandy Hook's water system had?
Sandy Hook has 1 health-based violation on record. The most recent violation was recorded in January 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.
Is Sandy Hook's groundwater at risk of contamination?
Sandy Hook 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 82 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 Sandy Hook's water compare to other cities?
Sandy Hook ranks #9 out of 320 cities in Mississippi (better than 97% of state cities) and #1816 out of 15744 cities nationally (89th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Sandy Hook's small water system affect quality?
Sandy Hook's system serves approximately 2,666 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 82 violations on record.