Acadia Parish County, Louisiana — public water systems
At a glance
12 active public water systems are filed under Acadia Parish County, Louisiana in EPA's SDWIS records, together reporting 63,321 people served. The largest is Lawco - Crowley Water System, which reports serving 17,733 people. All 12 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
12
Population served
63.3K
Community systems
12
Groundwater share
100%
How does Acadia Parish County compare with other Louisiana counties?
Acadia Parish County has the 31st-most active public water systems among the 79 counties listed for active Louisiana systems in EPA records; among the 59 with 3 or more systems, the median has 13. Its systems report 63,321 people served in total, the 20th-largest county figure in the state and 1.2% of the statewide total. The average system here reports serving 5,277 people, about 13% above the Louisiana average of 4,685. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Acadia Parish County's drinking water come from?
By primary water source, Acadia Parish County's active systems draw on groundwater (12, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 92% and 7.7% across Louisiana. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Lawco - Crowley Water System, draws primarily on groundwater.
What kinds of water systems operate in Acadia Parish County?
Acadia Parish County's active systems break down as 12 community systems (100%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. EPA lists their owner types as local government (50%) and private (50%).
Water systems in Acadia Parish County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Lawco - Crowley Water System | Acadia Parish | 17,733 | Community | Groundwater |
| 2 | City of Rayne Water System | Acadia Parish | 10,908 | Community | Groundwater |
| 3 | Mire Branch Water Corporation | Acadia Parish | 9,480 | Community | Groundwater |
| 4 | Egan Water Corporation | Acadia Parish | 5,337 | Community | Groundwater |
| 5 | South Rayne Water Corporation | Acadia Parish | 4,254 | Community | Groundwater |
| 6 | Town of Church Point Water System | Acadia Parish | 4,176 | Community | Groundwater |
| 7 | North of Crowley Water Corporation | Acadia Parish | 4,020 | Community | Groundwater |
| 8 | Egan Water Corporation No 2 | Acadia Parish | 2,835 | Community | Groundwater |
| 9 | Town of Iota Water System | Acadia Parish | 1,842 | Community | Groundwater |
| 10 | Village of Morse Water System | Acadia Parish | 1,065 | Community | Groundwater |
| 11 | Village of Estherwood Water System | Acadia Parish | 891 | Community | Groundwater |
| 12 | Village of Mermentau Water System | Acadia Parish | 780 | Community | Groundwater |
Acadia Parish County water systems: frequently asked questions
How many public water systems are in Acadia Parish County, Louisiana?
EPA's SDWIS records file 12 active public water systems under Acadia Parish County, Louisiana: 12 community systems (100%).
Who supplies drinking water in Acadia Parish County, LA?
The largest community water systems filed under Acadia Parish County are Lawco - Crowley Water System (17,733 people served), City of Rayne Water System (10,908 people served) and Mire Branch Water Corporation (9,480 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Acadia Parish County's drinking water come from groundwater or surface water?
Of the 12 active public water systems in Acadia Parish County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Lawco - Crowley Water System, uses groundwater.
Where can I find a water quality report for Acadia Parish County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 12 community systems are filed under Acadia Parish County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Acadia Parish County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More Louisiana water systems
- All Louisiana public water systems· 1,121 active
- Grant Parish County· 13 systems
- Iberia Parish County· 13 systems
- Iberville Parish County· 13 systems
- Winn Parish County· 13 systems
- De Soto Parish County· 12 systems
- La Salle Parish County· 12 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Public water systems in Acadia Parish County, Louisiana”, https://aquacensus.com/water-systems/louisiana/acadia-parish (data as of October 1, 2026).