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Community Water System · PWS GA1830017

Calhoun Utility

Diamond Springs, Georgia 95619 - drinking water served from groundwater sources to 213 people, tracked in EPA SDWIS and UCMR5.

213
People served
262
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 262 drinking-water violations at Calhoun Utility, 2% of them health-based - above the Georgia per-system average.

262
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
213
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Calhoun Utility

Calhoun Utility is a private-owned community water system that delivers drinking water to 213 residents in Diamond Springs, Georgia (Long County) through 71 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 262 total violations for this system , of which 6 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 215 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 54 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Georgia, EPA tracks 2,382 public water systems serving 10,694,477 people, with 108,966 cumulative violations and 12,032 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 45.7 violations. Statewide, 77 of 254 UCMR5-tested systems have reported PFAS detections (30.3%).

Calhoun Utility's 262 violations sit above the Georgia average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
213
Total Violations
262
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
71
County
Long
School/Daycare
No
MCL Violations
6
Monitoring Violations
215
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 54 2007
Nitrate MR 22 2001
Consumer Confidence Rule Other 19 2023
Revised Total Coliform Rule MON 19 2024
Lead and Copper Rule MR 14 2022
Nitrate-Nitrite MR 7 2022
Coliform (TCR) MCL 6 2007
Public Notice Other 4 2022
Benzene MR 3 1993
o-Dichlorobenzene MR 3 1993
1,2-Dichloroethane MR 3 1993
1,1-Dichloroethylene MR 3 1993
trans-1,2-Dichloroethylene MR 3 1993
DICHLOROMETHANE MR 3 1993
Ethylbenzene MR 3 1993
CHLOROBENZENE MR 3 1993
Styrene MR 3 1993
Tetrachloroethylene MR 3 1993
Toluene MR 3 1993
1,2,4-Trichlorobenzene MR 3 1993
1,1,1-Trichloroethane MR 3 1993
1,1,2-Trichloroethane MR 3 1993
Vinyl chloride MR 3 1993
Arsenic MR 3 2020
Barium MR 3 2020
Cadmium MR 3 2020
Chromium MR 3 2020
CYANIDE MR 3 2020
Fluoride MR 3 2020
Nickel MR 3 2020

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Calhoun Utility.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID GA1830017 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Georgia Drinking Water Authority

Georgia EPD, Drinking Water Program is the primacy agency that licenses and inspects Calhoun Utility under EPA-delegated authority.

Open GA regulator portal

Source: Georgia EPD, Drinking Water Program

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Revised Total Coliform Rule MON 19 SDWIS / GA1830017 / 8000
2023 Consumer Confidence Rule Other 19 SDWIS / GA1830017 / 7000
2022 Lead and Copper Rule MR 14 SDWIS / GA1830017 / 5000
2022 Nitrate-Nitrite MR 7 SDWIS / GA1830017 / 1038
2022 Public Notice Other 4 SDWIS / GA1830017 / 7500
2020 Arsenic MR 3 SDWIS / GA1830017 / 1005
2020 Barium MR 3 SDWIS / GA1830017 / 1010
2020 Cadmium MR 3 SDWIS / GA1830017 / 1015
2020 Chromium MR 3 SDWIS / GA1830017 / 1020
2020 CYANIDE MR 3 SDWIS / GA1830017 / 1024
2020 Fluoride MR 3 SDWIS / GA1830017 / 1025
2020 Nickel MR 3 SDWIS / GA1830017 / 1036
2020 Thallium, Total MR 3 SDWIS / GA1830017 / 1085
2020 Selenium MR 3 SDWIS / GA1830017 / 1045
2020 Mercury MR 3 SDWIS / GA1830017 / 1035

How Calhoun Utility Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Calhoun Utility Georgia avg Federal benchmark
Total violations 262 45.7 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 5.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 30.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 213 4,490 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,382 regulated public water systems in Georgia.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Calhoun Utility water safe to drink? ▼
Calhoun Utility (PWS ID: GA1830017) has 262 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 213 people using Groundwater sources.
How many people does Calhoun Utility serve? ▼
Calhoun Utility serves 213 people in Diamond Springs, Georgia. It is a Private-owned system using Groundwater water sources with 71 service connections.
What type of violations does Calhoun Utility have? ▼
Calhoun Utility has 262 total violations: 6 health-based violations (MCL exceedances or treatment failures), 215 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Calhoun Utility water? ▼
No PFAS testing data is available for Calhoun Utility under the EPA's UCMR5 monitoring program.
What water source does Calhoun Utility use? ▼
Calhoun Utility uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.