WaterVerge

Is Heidelberg, MS Tap Water Safe to Drink?

Graded B, with 11 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 2 water systems PWSID: MS0310010
Overall Score
77.3 / 100
Violations
11 active
Last Updated
May 2026
Source
Groundwater
#124 of 320 in Mississippi Top 58% nationally
Public/Private
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
77.3/100
waterverge.com
B 77.3/100

Heidelberg, MS — Water Quality Report

Heidelberg's drinking water received a grade of B (77.3 out of 100), indicating good water quality. The city's 2 water systems serve approximately 3,176 residents using groundwater.

Lead levels were measured at 1.1 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 363 violations on record, including 4 health-based violations. 11 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Heidelberg's water

Heidelberg ranks #124 out of 320 cities in Mississippi for water quality, placing it mid-range in the state.

Heidelberg 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, Heidelberg may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
77.3 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
25.3/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.1 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Heidelberg, MS water safe to drink?

Concerns Identified

Heidelberg's drinking water has significant quality concerns based on EPA testing data. With a grade of B (77.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,176 residents using groundwater (wells).

11
Active Violations
1.1 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Heidelberg

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Heidelberg's water quality assessment. Grade: B (77.3/100).

Disaster
HURRICANE IDA

Federal disaster declaration (FEMA DR-4626). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE IDA

Federal disaster declaration (FEMA DR-3569). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
9 drinking water violations recorded

Contaminants: Combined Uranium, Radium-226, Radium-228.

Violation
11 drinking water violations recorded

Contaminants: Radium-226, Radium-228, Combined Uranium.

Key contaminant findings

Based on the most recent EPA sampling data for Heidelberg's water supply.

Lead Within Limits
Detected: 1.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Heidelberg's water system has 363 total violations on record, including 4 health-based violations. 11 remain unresolved.

OtherMRMCL
Most recent violations:
Jul 2017 Consumer Confidence Rule Open
Oct 2012 Combined Uranium Resolved
Oct 2012 Combined Uranium Resolved
Oct 2012 Combined Uranium Resolved
Oct 2012 Radium-226 Resolved

Flood & environmental risk

Jasper County has experienced 10 federally declared disasters since 1979. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Tallahala Creek.

HURRICANE IDA
Hurricane FEMA DR-4626
HURRICANE IDA
Hurricane FEMA DR-3569
HURRICANE ISAAC
Hurricane FEMA DR-4081

Where does Heidelberg's water come from?

Heidelberg's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,176 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Tallahala Creek (river).

What Heidelberg residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Heidelberg's water.

Request your utility's CCR

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.

Monitor alerts during storms

Heidelberg'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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.1 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

363
Total violations
4
Health-based
11
Active / unresolved
Jul 2017
Most recent violation
Compliance Record

Violations & advisories

363 Total
11 Active
4 Health-based
352 Resolved
Violations by category
Radionuclides and Revised Rad Rule
343
Consumer Confidence Rule
5
Stage 1 Disinfectants and Disinfection Byproducts Rule
5
Total Coliform Rule
4
Public Notice Rule and Revised PN Rule
3
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Sep 2010 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2008 Active
Public Notice
Other Violation 0
Oct 2008 Active
Public Notice
Other Violation 0
Jul 2008 Active
Consumer Confidence Rule
Other Violation 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
May 2006 Active
Public Notice
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Oct 2012 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Showing 20 of 363 violations
Industrial pollution

Top industrial polluters within 10 miles of Heidelberg

Industrial polluters nearby

Reported releases to surface water by facilities near Heidelberg, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
HUNT SOUTHLAND REFINING CO-SANDERSVILLE
Petroleum · HUNT CONSOLIDATED INC
SANDERSVILLE, MS39477
7.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Jasper County is currently in D2 (severe 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.

3
Weeks at D2+ (current streak)
17.2%
Months in D2+ (last 30y)
3
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

10
Declared disasters
Oct 2021
Most recent
Hurricane
Most common type

Jasper County has experienced 10 federally declared disasters since 1979. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2021
HURRICANE IDA
Hurricane FEMA #4626
Aug 2021
HURRICANE IDA
Hurricane FEMA #3569
Aug 2012
HURRICANE ISAAC
Hurricane FEMA #4081
Aug 2012
TROPICAL STORM ISAAC
Hurricane FEMA #3348
Aug 2008
HURRICANE GUSTAV
Hurricane FEMA #3291
Aug 2005
HURRICANE KATRINA
Hurricane FEMA #1604

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.1 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 2.0 ppb from 1993 (3.0 ppb) to 2023 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Public/Private
Population Served
3,176
Water Systems
2
Water Source

Where Heidelberg's water comes from

Groundwater

Heidelberg'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 3,176 people through 2 water systems.

Local Hydrology

Water bodies near Heidelberg

Heidelberg is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Tallahala Creek
river
Infrastructure

Water systems serving Heidelberg

System Name PWSID Population Source
PHILADELPHIA WATER ASSN MS0310010 2,062 GW
TOWN OF HEIDELBERG MS0310005 1,114 GW
Regional Comparison

How Heidelberg compares

Full Mississippi rankings →

Heidelberg's score of 77.3/100 is above the average of 54/100 among major Mississippi cities. It outscores 9 of 10 nearby cities.

Heidelberg (this city)
77.3
Jackson
47.8
Canton
50
Oxford
40.5
Mississippi avg
54
City Profile

About Heidelberg, MS

Wikipedia →

Heidelberg is a town in Jasper County, Mississippi, United States. As of the 2020 census, Heidelberg had a population of 637.

Economic Profile
$50,041
Median Income
$88,102
Median Home Value
$1,087/mo
Median Rent
3.3%
Unemployment
Community
42.9
Median Age
56
People / sq mi
7.6%
College Educated
70.2%
Homeownership
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Frequently asked questions

Is Heidelberg, MS tap water safe to drink?

Heidelberg's water quality earned a grade of B (77.3/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #124 out of 320 cities tested in Mississippi.

What contaminants are in Heidelberg's water?

Lead was measured at 1.1 ppb (90th percentile). 363 violations are on record.

How is Heidelberg'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 Heidelberg?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Heidelberg's water come from?

Heidelberg's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,176 residents.

What health violations has Heidelberg's water system had?

Heidelberg has 4 health-based violations on record. The most recent violation was recorded in July 2017. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 11 violations remain unresolved.

Is Heidelberg's groundwater at risk of contamination?

Heidelberg 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 363 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 Heidelberg's water compare to other cities?

Heidelberg ranks #124 out of 320 cities in Mississippi (better than 61% of state cities) and #9034 out of 15744 cities nationally (43th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.