Water Quality Report · Updated October 07, 2026
SCHRIEVER WATER TREATMENT SERVICE AREA
SCHRIEVER WATER TREATMENT SERVICE AREA delivers tap water graded B (75/100) by TapWaterSafety.org. The utility serves approximately 116,460 residents in HOUMA, Louisiana using surface water. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. For questions, the utility can be reached at 985-879-2495.
Is HOUMA tap water safe to drink?
SCHRIEVER WATER TREATMENT SERVICE AREA delivers tap water that earns a grade of B (75/100) from TapWaterSafety.org — a good rating, with only minor concerns relative to health-based guidelines.
The utility serves 116,460 residents in HOUMA, drawing from surface water. Despite being legal under US EPA standards, this water would fail the European Union's Drinking Water Directive, primarily due to haloacetic acids (haa9) significantly above health guideline.
Public testing data identifies 14 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Bromodichloromethane, Trichloroacetic acid, Chloroform, Dibromoacetic acid, Dichloroacetic acid, Dibromochloromethane, Nitrate and nitrite, Radium, combined (-226 and -228), Chromium (hexavalent), Chlorate, Atrazine. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
EPA compliance record
Official U.S. EPA records for SCHRIEVER WATER TREATMENT SERVICE AREA (system ID LA1109002) for the last 3 years. Checked 2026-10-07.
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Quick actions for HOUMA residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for SCHRIEVER WATER TREATMENT SERVICE AREA.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 21.1 ppb, 352x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 39.0 ppb, 260x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 21.1 ppb, 211x above the EWG health guideline of 0.1 ppb.
Contact SCHRIEVER WATER TREATMENT SERVICE AREA
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for HOUMA
Filters matched to the specific contaminants in this water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 75/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
21.1 ppb | 0.06 | — | — | — | — | — | 352× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
39.0 ppb | 0.15 | 80.0 | 100 | — | — | — | 260× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
21.1 ppb | 0.1 | 60.0 | 60 | — | — | — | 211× over |
| Bromodichloromethane Disinfection byproduct |
12.1 ppb | 0.06 | — | — | — | — | — | 202× over |
| Trichloroacetic acid Disinfection byproduct |
8.08 ppb | 0.1 | — | — | — | — | — | 81× over |
| Chloroform Disinfection byproduct |
21.5 ppb | 0.4 | — | — | — | — | — | 54× over |
| Dibromoacetic acid Disinfection byproduct |
1.55 ppb | 0.03 | — | — | — | — | — | 52× over |
| Dichloroacetic acid Disinfection byproduct |
10.5 ppb | 0.2 | — | — | — | — | — | 52× over |
| Dibromochloromethane Disinfection byproduct |
5.08 ppb | 0.1 | — | — | — | — | — | 51× over |
| Nitrate and nitrite Inorganic |
0.6 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 4.3× over |
| Radium, combined (-226 and -228) Radiological |
0.21 pCi/L | 0.05 | 5.0 | — | — | — | — | 4.3× over |
| Chromium (hexavalent) Heavy metal |
0.0763 ppb | 0.02 | — | — | — | — | — | 3.8× over |
| Chlorate Disinfection byproduct |
303.8 ppb | 210.0 | — | — | — | — | — | 1.4× over |
| Atrazine Pesticide/Herbicide |
0.131 ppb | 0.1 | 3.0 | 0.1 | 100 | 0.15 | — | Fails EU |
| Bromoform Disinfection byproduct |
0.281 ppb | 0.5 | — | — | — | — | — | Below guideline |
| 1,4-Dioxane Semi-volatile organic compound |
0.0975 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| Simazine Pesticide/Herbicide |
0.0122 ppb | 0.1 | 4.0 | — | — | — | — | Below guideline |
| Vanadium Other |
1.46 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Aluminum Heavy metal |
36.7 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Manganese Heavy metal |
3.9 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Molybdenum Other |
1.3 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.829 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
6.3 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.114 ppb | 25.0 | — | — | — | — | — | Below guideline |
| 2,4-D Pesticide/Herbicide |
0.035 ppb | 20.0 | 70.0 | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
0.8 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.155 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.773 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
2.32 ppb | — | — | — | — | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
SCHRIEVER WATER TREATMENT SERVICE AREA service area
This water system serves 1 community in Terrebonne Parish County, Louisiana. Click any city for its dedicated tap water quality page.
Find the right filter for HOUMA water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.