GUIN WATER & SEWER BOARD

Q: Is GUIN WATER & SEWER BOARD water safe to drink?

GUIN WATER & SEWER BOARD (PWS ID: AL0000924) has 79 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,350 people using Surface Water sources.

Q: What type of violations does GUIN WATER & SEWER BOARD have?

GUIN WATER & SEWER BOARD has 79 total violations: 17 health-based violations (MCL exceedances or treatment failures), 61 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Q: Has PFAS been detected in GUIN WATER & SEWER BOARD water?

No. GUIN WATER & SEWER BOARD was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.

Q: What water source does GUIN WATER & SEWER BOARD use?

GUIN WATER & SEWER BOARD uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

Q: 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.

Reviewed byPlainWater Editorial, Drinking Water Quality Editorial Team · June 4, 2026

PWS ID: AL0000924 · GUIN, Alabama 35563

GUIN WATER & SEWER BOARD serves 4,350 people in GUIN, Alabama using Surface Water water sources. It has 79 recorded EPA violations, including 17 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GUIN WATER & SEWER BOARD

GUIN WATER & SEWER BOARD is a local-owned community water system that delivers drinking water to 4,350 residents in GUIN, Alabama (Marion County) through 1,450 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 79 total violations for this system , of which 17 (22%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 61 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is TTHM, recorded in 8 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Alabama, EPA tracks 562 public water systems serving 6,193,356 people, with 40,486 cumulative violations and 3,786 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 72 violations. GUIN WATER & SEWER BOARD's 79 violations sit above the Alabama average. Statewide, 157 of 306 UCMR5-tested systems have reported PFAS detections (51.3%). 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

4,350

Total Violations

Health-Based Violations

Water Source

Surface Water

System Details

System Type: Community
Owner Type: Local
Connections: 1,450
County: Marion
School/Daycare: No
MCL Violations: 17
Monitoring Violations: 61
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
TTHM	MCL	8	1996
Total Haloacetic Acids (HAA5)	MCL	8	2011
Coliform (TCR)	MR	6	1994
Nitrite	MR	4	2018
Barium	MR	2	1996
Cadmium	MR	2	1996
CYANIDE	MR	2	1996
Fluoride	MR	2	1996
Nitrate	MR	2	1996
Selenium	MR	2	1996
Beryllium, Total	MR	2	1996
Thallium, Total	MR	2	1996
Gross Alpha, Excl. Radon and U	MR	2	1996
Chromium	MR	2	1996
Nickel	MR	2	1996
Mercury	MR	2	1996
Arsenic	MR	2	1996
Lead and Copper Rule	MR	2	1994
Antimony, Total	MR	2	1996
DICHLOROMETHANE	MR	1	1996
Ethylbenzene	MR	1	1996
Benzene	MR	1	1996
Xylenes, Total	MR	1	1996
1,2-Dichloropropane	MR	1	1996
cis-1,2-Dichloroethylene	MR	1	1996
Trichloroethylene	MR	1	1996
trans-1,2-Dichloroethylene	MR	1	1996
CHLOROBENZENE	MR	1	1996
1,2,4-Trichlorobenzene	MR	1	1996
Tetrachloroethylene	MR	1	1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 240 samples detected PFAS.

Contaminant	Date	Result	MRL	Status
PFUnA	9/11/2024	<0.002 µg/L	0.002 µg/L	Not Detected
PFPeS	9/11/2024	<0.004 µg/L	0.004 µg/L	Not Detected
NFDHA	9/11/2024	<0.02 µg/L	0.02 µg/L	Not Detected
PFEESA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFMBA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFPeA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFMPA	9/11/2024	<0.004 µg/L	0.004 µg/L	Not Detected
8:2 FTS	9/11/2024	<0.005 µg/L	0.005 µg/L	Not Detected
4:2 FTS	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
6:2 FTS	9/11/2024	<0.005 µg/L	0.005 µg/L	Not Detected
PFBA	9/11/2024	<0.005 µg/L	0.005 µg/L	Not Detected
HFPO-DA	9/11/2024	<0.005 µg/L	0.005 µg/L	Not Detected
ADONA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpS	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
11Cl-PF3OUdS	9/11/2024	<0.005 µg/L	0.005 µg/L	Not Detected
PFNA	9/11/2024	<0.004 µg/L	0.004 µg/L	Not Detected
PFHxA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFOA	9/11/2024	<0.004 µg/L	0.004 µg/L	Not Detected
PFOS	9/11/2024	<0.004 µg/L	0.004 µg/L	Not Detected
PFHxS	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFBS	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFDoA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFDA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
lithium	9/11/2024	<9 µg/L	9 µg/L	Not Detected
NMeFOSAA	9/11/2024	<0.006 µg/L	0.006 µg/L	Not Detected
NEtFOSAA	9/11/2024	<0.005 µg/L	0.005 µg/L	Not Detected
PFTrDA	9/11/2024	<0.007 µg/L	0.007 µg/L	Not Detected
PFTA	9/11/2024	<0.008 µg/L	0.008 µg/L	Not Detected
9Cl-PF3ONS	9/11/2024	<0.002 µg/L	0.002 µg/L	Not Detected
PFHpA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
6:2 FTS	9/11/2024	<0.005 µg/L	0.005 µg/L	Not Detected
PFMPA	9/11/2024	<0.004 µg/L	0.004 µg/L	Not Detected
PFOA	9/11/2024	<0.004 µg/L	0.004 µg/L	Not Detected
PFPeA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFBA	9/11/2024	<0.005 µg/L	0.005 µg/L	Not Detected
HFPO-DA	9/11/2024	<0.005 µg/L	0.005 µg/L	Not Detected
11Cl-PF3OUdS	9/11/2024	<0.005 µg/L	0.005 µg/L	Not Detected
PFUnA	9/11/2024	<0.002 µg/L	0.002 µg/L	Not Detected
PFHxA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFDoA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFDA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
4:2 FTS	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
ADONA	9/11/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFTA	9/11/2024	<0.008 µg/L	0.008 µg/L	Not Detected
PFTrDA	9/11/2024	<0.007 µg/L	0.007 µg/L	Not Detected
PFOS	9/11/2024	<0.004 µg/L	0.004 µg/L	Not Detected
8:2 FTS	9/11/2024	<0.005 µg/L	0.005 µg/L	Not Detected
NEtFOSAA	9/11/2024	<0.005 µg/L	0.005 µg/L	Not Detected
lithium	9/11/2024	<9 µg/L	9 µg/L	Not Detected
9Cl-PF3ONS	9/11/2024	<0.002 µg/L	0.002 µg/L	Not Detected

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 GUIN WATER & SEWER BOARD.

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 AL0000924 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Alabama Drinking Water Authority

Alabama's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find AL regulator via EPA SDWIS

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
2018	Nitrite	MR	4	SDWIS / AL0000924 / 1041
2011	Total Haloacetic Acids (HAA5)	MCL	8	SDWIS / AL0000924 / 2456
2005	Coliform (TCR)	MCL	1	SDWIS / AL0000924 / 3100
1996	TTHM	MCL	8	SDWIS / AL0000924 / 2950
1996	Barium	MR	2	SDWIS / AL0000924 / 1010
1996	Cadmium	MR	2	SDWIS / AL0000924 / 1015
1996	CYANIDE	MR	2	SDWIS / AL0000924 / 1024
1996	Fluoride	MR	2	SDWIS / AL0000924 / 1025
1996	Nitrate	MR	2	SDWIS / AL0000924 / 1040
1996	Selenium	MR	2	SDWIS / AL0000924 / 1045
1996	Beryllium, Total	MR	2	SDWIS / AL0000924 / 1075
1996	Thallium, Total	MR	2	SDWIS / AL0000924 / 1085
1996	Gross Alpha, Excl. Radon and U	MR	2	SDWIS / AL0000924 / 4000
1996	Chromium	MR	2	SDWIS / AL0000924 / 1020
1996	Nickel	MR	2	SDWIS / AL0000924 / 1036

How GUIN WATER & SEWER BOARD Compares

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

Metric	GUIN WATER & SEWER BOARD	Alabama avg	Federal benchmark
Total violations	79	72	SDWA compliance — any non-zero count is a recorded breach
Health-based violations	17	6.7	Indicates a contaminant exceeded a federal MCL
PFAS detection	None	51.3%	EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served	4,350	11,020	Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 562 regulated public water systems in Alabama.

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
Nitrate (as N)	10 mg/L	Acute health risk for infants

Frequently Asked Questions

Is GUIN WATER & SEWER BOARD water safe to drink? ▼

GUIN WATER & SEWER BOARD (PWS ID: AL0000924) has 79 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,350 people using Surface Water sources.

How many people does GUIN WATER & SEWER BOARD serve? ▼

GUIN WATER & SEWER BOARD serves 4,350 people in GUIN, Alabama. It is a Local-owned system using Surface Water water sources with 1,450 service connections.

What type of violations does GUIN WATER & SEWER BOARD have? ▼

GUIN WATER & SEWER BOARD has 79 total violations: 17 health-based violations (MCL exceedances or treatment failures), 61 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in GUIN WATER & SEWER BOARD water? ▼

No. GUIN WATER & SEWER BOARD was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.

What water source does GUIN WATER & SEWER BOARD use? ▼

GUIN WATER & SEWER BOARD uses Surface Water 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

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