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Tap water quality report

St Tam Parish - Cross Gates Sd

EPA monitoring tested this supplier for 110 contaminants and detected 16. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

110
contaminants tested
16
detected
8,037
people served
16
health-based violations
Louisiana rankingsLead in LouisianaPFAS in Louisiana
Water source
Ground water
Ownership
Local government
Counties served
St. Tammany Parish

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

16
health-based violations
42
violations on file
0
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2021-08-13
TT Health-based Resolved 2021-08-13
TT Health-based Resolved 2021-08-13
TT Health-based Resolved 2021-08-13
MCL Health-based Archived 2006-10-01 → 2006-10-31
MCL Health-based Archived 2006-10-01 → 2006-10-31
MCL Health-based Archived 2004-06-01 → 2004-06-30
MCL Health-based Archived 2004-06-01 → 2004-06-30
MCL Health-based Archived 2004-06-01 → 2004-06-30
MCL Health-based Archived 1992-07-01 → 1992-07-31

PFAS detected

PFAS are industrial “forever chemicals”. These are the EPA's latest nationwide test results (2023–2025).
ContaminantMaxDetection ratePeriod
6:2 Fts 0.0082 µg/L 1/4 2024

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 21/21 LCR 2024
Lead
3.8 µg/L 25%
of the EPA limit 15 µg/L
worst single sample: 5 µg/L
13/62 SYR4 2012–2018
Copper
335 µg/L 26%
of the EPA limit 1300 µg/L
worst single sample: 500 µg/L
12/62 SYR4 2012–2018
Chloroform
21.89 µg/L
No EPA limit set
worst single sample: 29 µg/L
7/14 SYR4 2013–2019
Dichloroacetic Acid
6.42 µg/L
No EPA limit set
worst single sample: 6.9 µg/L
7/14 SYR4 2013–2019
TTHM
23.99 µg/L 30%
of the EPA limit 80 µg/L
worst single sample: 32 µg/L
7/14 SYR4 2013–2019
Total Haloacetic Acids (HAA5)
9.28 µg/L 15%
of the EPA limit 60 µg/L
worst single sample: 10.6 µg/L
7/14 SYR4 2013–2019
Nitrate-Nitrite
100 µg/L 1%
of the EPA limit 10000 µg/L
 6/28 SYR4 2012–2019
Trichloroacetic Acid
3.148 µg/L
No EPA limit set
worst single sample: 3.7 µg/L
5/14 SYR4 2013–2019
Fluoride
385 µg/L 9.6%
of the EPA limit 4000 µg/L
worst single sample: 400 µg/L
4/4 SYR4 2014–2017
Lithium
12.3 µg/L
No EPA limit set
 4/4 UCMR-5 2024
Dalapon
2.033 µg/L 1%
of the EPA limit 200 µg/L
 2/4 SYR4 2014–2017
Di(2-ethylhexyl) Phthalate
0.7445 µg/L 12%
of the EPA limit 6 µg/L
worst single sample: 0.7500 µg/L
2/4 SYR4 2014–2017
Pentachlorophenol
0.2460 µg/L 25%
of the EPA limit 1 µg/L
 2/4 SYR4 2014–2017
Bromodichloromethane
3 µg/L
No EPA limit set
 1/14 SYR4 2013–2019
94 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalArsenicAtrazineBhc-GammaBariumBenzeneBenzo(A)PyreneBeryllium, TotalBromoformChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumCombined Radium (-226 And -228)Combined UraniumDichloromethaneDi(2-ethylhexyl) AdipateDibromoacetic AcidDibromochloromethaneDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon And UGross Beta Particle ActivityHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNetfosaaNfdhaNmefosaaOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
TISSUE, CHRISTOPHER
Phone
985-893-1717
Email
[email protected]

Frequently asked questions about St Tam Parish - Cross Gates Sd

Is St Tam Parish - Cross Gates Sd tap water safe to drink?

EPA monitoring detected 16 contaminants in St Tam Parish - Cross Gates Sd's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in St Tam Parish - Cross Gates Sd's water?

EPA monitoring detected Lead, Lead, Copper, Chloroform, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.

How many people does St Tam Parish - Cross Gates Sd serve?

St Tam Parish - Cross Gates Sd reports serving 8,037 people in Louisiana, per its EPA record.

Has St Tam Parish - Cross Gates Sd had any water quality violations?

The EPA has 42 violations on file for St Tam Parish - Cross Gates Sd, of which 16 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.