St. Tammany Parish County, Louisiana Water Systems

St. Tammany Parish County, Louisiana

187 community water systems on record — 95 active, 92 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Louisiana’s official records. Always confirm current status with Louisiana before making decisions based on this information.

Community water systems in St. Tammany Parish County, Louisiana

System name	City	Population served	Status
ABITA EAST APARTMENTS	ABITA SPRINGS	100	Inactive
ABITA SPRINGS RV PARK	TEXARKANA	372	Inactive
ABITA SPRINGS WATER SYSTEM	ABITA SPRINGS	3,693	Active
ALEXANDER MILNE HOME FOR WOMEN	COVINGTON	42	Active
ALVIN PATECEK	COVINGTON	35	Inactive
AMY PRATTINI	SLIDELL	50	Inactive
ARROWWOOD SUBDIVISION	SLIDELL	640	Inactive
AZALEA LANE TRAILER PARK	SLIDELL	84	Active
BAYOU LIBERTY WATER ASSOCIATION	SLIDELL	10,791	Active
BEAU CHENE WATER SYSTEM	MANDEVILLE	4,650	Active
BIG BRANCH TRAILER PARK	PRAIRIEVILLE	92	Active
BILL TOY	SLIDELL	28	Inactive
BISHOPS MOBILE HOME PARK	SLIDELL	90	Inactive
BLOSSMAN RUHL INC-AA MHP	MANDEVILLE	120	Inactive
BRIARWOOD UTILITIES COMPANY	MANDEVILLE	150	Inactive
BUTLER & MARTHA TABCO	GRETNA	30	Inactive
CENTRAL PARK SUBDIVISION	LORANGER	342	Active
CHAHTA MOBILE HOME PARK	PRAIRIEVILLE	180	Active
CHAPMAN APARTMENTS	BATON ROUGE	80	Active
COUNTRY CLUB TRAILER PK	SLIDELL	0	Inactive
COVINGTON MANOR MHP	COVINGTON	150	Inactive
COVINGTON WATER SUPPLY	COVINGTON	16,185	Active
CRAIN'S MOBILE HOME PARK	PEARL RIVER	70	Inactive
CRAWFORD T/P	PEARL RIVER	60	Inactive
CREEK PLACE APARTMENTS	SLIDELL	100	Active
DEL OAKS SUBDIVISION	MANDEVILLE	50	Inactive
DIVERSION WATER-DEERFIELD	AMITE	10	Inactive
E V LUKE	PEARL RIVER	120	Inactive
E. T. RIECKE	MANDEVILLE	150	Inactive
EAGLE LAKE MOBILE HOME PARK	BROOKLYN	300	Active
EDWARD KHEDOURI	NEW YORK	28	Inactive
EVERETT STANLEY	SLIDELL	28	Inactive
FALCON CREST WATER SYS	SLIDELL	1,720	Inactive
FOLSOM WATER SUPPLY	FOLSOM	1,992	Active
FOREST GLEN SD	LORANGER	270	Active
FOREST R FLEMING JR	SLIDELL	28	Inactive
FRENCH BRANCH EST. WATER	SLIDELL	396	Inactive
GIVING HOPE RETREAT	NEW ORLEANS	45	Active
HILLCREST / SNEAD APARTMENTS	BATON ROUGE	60	Active
HINKLEY & SMITH INC	CHICAGO ILLINOIS	100	Inactive
HOLY REDEMER COL WATER SUPP	LACOMBE	600	Inactive
I-59 TRAILER PARK ATTN MCDANIE	SLIDELL	50	Inactive
INDIAN HILLS TRAILER PARK	SLIDELL	100	Active
INDIAN VILLAGE GARDEN HOMES	SLIDELL	40	Inactive
INGRAM ESTATES	METAIRIE	210	Inactive
INTERSTATE STATION INC #17	SLIDELL	3	Inactive
JESSIE A VAULTZ	SLIDELL	60	Inactive
JOHN POITEVENT	MANDEVILLE	60	Inactive
KING'S FOREST SUBD	COVINGTON	384	Inactive
KIRKLAND TRAILER PARK	SLIDELL	39	Inactive
LA WATER PIRATES HARBOR W S	COVINGTON	390	Inactive
LA WATER - FRENCHMEN ESTATES	COVINGTON	200	Inactive
LA WATER - VILLAGE ACADIAN	COVINGTON	212	Inactive
LACOMBE NURSING CENTRE	LACOMBE	150	Active
LAKE RAMSEY	COVINGTON	840	Active
LAWRENCE B HOOVER	PONCHATOULA	30	Inactive
LAZY WHEELS TRAILER PARK	SLIDELL	69	Inactive
LEE ROAD WATER CORPORATION	COVINGTON	6,048	Active
LESTER DAVIS WATER SYS	PEARL RIVER	75	Inactive
LEWISBURG ESTATES	MADISONVILLE	60	Active
LIFEMARK, INC	COVINGTON	20	Inactive
MADISONVILLE ON THE LAKE	MANDEVILLE	51	Active
MADISONVILLE WATER SUPPLY	MADISONVILLE	871	Active
MAGNOLIA - OAKLAWN TRACE	DES PERES	480	Active
MAGNOLIA WATER UTILITES - CHERRYWOOD	DES PERES	306	Active
MAGNOLIA-AUTUMN HAVEN	DES PERES	267	Active
MAGNOLIA-BEAU PRE	DES PERES	240	Active
MAGNOLIA-BEVERLY HEIGHTS	DES PERES	100	Active
MAGNOLIA-BLEU LAKE HILLS	DES PERES	420	Active
MAGNOLIA-BRIER LAKE UTILITIES INC	DES PERES	630	Active
MAGNOLIA-EDEN ISLES	DES PERES	10,155	Active
MAGNOLIA-GRANDE PALMS	DES PERES	579	Active
MAGNOLIA-GREENLEAVES	DES PERES	8,031	Active
MAGNOLIA-GUSTE ISLAND	DES PERES	2,847	Active
MAGNOLIA-HOMELAND HEIGHT	DES PERES	234	Active
MAGNOLIA-I59 MHP	DES PERES	255	Active
MAGNOLIA-LAKESHORE ESTATES	DES PERES	4,146	Active
MAGNOLIA-MONEY HILLS ESTATES	DES PERES	825	Active
MAGNOLIA-MONTEREY SUBDIVISION	DES PERES	1,356	Active
MAGNOLIA-PENN MILL LAKES	DES PERES	1,152	Active
MAGNOLIA-PENN MILL PLACE	DES PERES	171	Active
MAGNOLIA-PILOT STREET	DES PERES	174	Active
MAGNOLIA-PORT LOUIS TOWNHOMES	DES PERES	200	Active
MAGNOLIA-PRUDEN CREEK	DES PERES	324	Active
MAGNOLIA-RESOLVE WHISPERWOOD	DES PERES	6,867	Active
MAGNOLIA-RIGOLETS ESTATES	DES PERES	273	Active
MAGNOLIA-RIGOLETS HARBOR	DES PERES	200	Active
MAGNOLIA-RIVER PARK	DES PERES	822	Active
MAGNOLIA-THE MEADOWS	DES PERES	4,701	Active
MAGNOLIA-WHIPPOORWILL GROVE	DES PERES	78	Active
MANDEVILLE WATER SUPPLY	MANDEVILLE	13,000	Active
MANGANOS MOBILE HOME PARK	PEARL RIVER	234	Active
MARINA DEL RAY WATER SYSTEM	MADISONVILLE	500	Active
MARY LYN MCGINN	LACOMBE	130	Inactive
MESSERS MOBILE MANOR	PEARL RIVER	119	Inactive
MR & MRS JULIEU SALAMONE	SLIDELL	32	Inactive
MR ROBERT HARRISON	SLIDELL	44	Inactive
MRS BILLIE SEMMES	SLIDELL	25	Inactive
MRS MARGUERITE LEMONS	ABITA SPRINGS	20	Inactive
NATURES WAY	SLIDELL	68	Inactive
NEW MEDICO	FOLSOM	130	Inactive
NORTHSHORE WORKFORCE	COVINGTON	100	Inactive
OAK RIVER ESTATES	COVINGTON	25	Active
OAK VILLA MH COMMUNITY	PINEHURST	420	Active
OZONE PINE SUBDIVISION	SLIDELL	75	Active
PARADISE TRAILER COURT	NEW ORLEANS	70	Inactive
PEARL PLANTATION TOWNHSE	MANDEVILLE	60	Active
PINE CREST TRAILER PARK	SLIDELL	600	Active
PINEY RIDGE TRAILER PARK	SLIDELL	152	Inactive
PINK PANTHER TRAILER PK	SLIDELL	200	Inactive
PONDEROSA ESTATES	LORANGER	213	Inactive
PONDEROSA RANCHES SUBDIVISION	LORANGER	579	Active
PONTCHARTRAIN GUEST HOUSE	MANDEVILLE	300	Inactive
POUNDS TRAILER PARK	COVINGTON	100	Inactive
RIVER FOREST WATER SUPPLY	COVINGTON	262	Inactive
ROCKET RANCH MOBILE HOMES	SLIDELL	214	Inactive
ROYAL GARDENS HOMEOWNERS	SLIDELL	300	Inactive
ROYAL GOLF CLUB S/D	SLIDELL	100	Inactive
S AND J RV PARK	SLIDELL	87	Inactive
SALT BAYOU KAMPGROUND - VISTA SITES	SAINT AMANT	25	Active
SELA - TIMBER BRANCH	MANDEVILLE	300	Inactive
SHADY LANE TRAILER PARK	COVINGTON	80	Inactive
SHADY OAKS MOBILE HME PK	MANDEVILLE	292	Inactive
SHADY PINES TRAILER PARK	NEW ORLEANS	120	Inactive
SHORT-SINGLETARY-SMITH	PEARL RIVER	36	Inactive
SLIDELL TRAILER PARK	GRETNA	60	Inactive
SLIDELL WATER SUPPLY	SLIDELL	35,547	Active
SOUTHEASTERN LA W &S- FOX BRANCH	MANDEVILLE	40	Inactive
SOUTHEASTERN LA W &S-BRIARWOOD WEST	MANDEVILLE	3,292	Inactive
SOUTHERN MANOR M H P	SLIDELL	246	Inactive
ST JOSEPH ABBEY	ST. BENEDICT	127	Active
ST TAM PARISH - CHRISTWOOD LIVING	COVINGTON	400	Inactive
ST TAM PARISH - NORTHLAKE BEHAVIORAL	COVINGTON	480	Active
ST TAM PARISH - ST GERTRUDE	COVINGTON	72	Active
ST TAM PARISH - TIMBERLANE SUBD	COVINGTON	598	Inactive
ST TAM PARISH - ABITA LAKES	COVINGTON	609	Active
ST TAM PARISH - ALTON	COVINGTON	499	Active
ST TAM PARISH - BRIARWOOD TERRACE	COVINGTON	17,536	Active
ST TAM PARISH - CROSS GATES SD	COVINGTON	8,037	Active
ST TAM PARISH - INDIAN TRACE	COVINGTON	0	Inactive
ST TAM PARISH - LAKE HILLS VILLAGE	COVINGTON	88	Active
ST TAM PARISH - MEADOWLAKE SUBDIVISION	COVINGTON	1,197	Inactive
ST TAM PARISH - RIVER OAKS	COVINGTON	933	Active
ST TAM PARISH - TAMANEND	COVINGTON	125	Active
ST TAM PARISH -NORTHRIDGE ESTATES	COVINGTON	1,653	Active
ST TAM PARISH -SAVANNAH TRACE	COVINGTON	0	Inactive
ST TAM PARISH PINELAND PARK SUBD	COVINGTON	2,500	Active
ST TAM PARISH SALVATION MANOR ST JOE	COVINGTON	171	Active
ST TAM PARISH- BEDICO -FAUBOURG-COQUILLE	COVINGTON	18,372	Active
ST TAM PARISH- BEDICO CREEK	COVINGTON	2,580	Inactive
ST TAM PARISH- BEN THOMAS RD	COVINGTON	220	Active
ST TAM PARISH- LAZY CREEK SD	COVINGTON	260	Inactive
ST TAM PARISH-BLACK RIVER	MANDEVILLE	560	Inactive
ST TAM PARISH-MADISONVILLE WOODS	COVINGTON	87	Active
ST TAMMANY WATER DISTRICT 3	COVINGTON	2,920	Active
ST. TAMMANY WATER DISTRICT #2	COVINGTON	5,200	Active
STANLEY WORCHEL	SLIDELL	28	Inactive
STONESTHROW APARTMENTS	BATON ROUGE	150	Inactive
SUN WATER SUPPLY	SUN	726	Active
TAMMANY MOBILE HOME PARK	SLIDELL	330	Inactive
TCHEFUNCTA CLUB ESTATES	COVINGTON	1,245	Active
TCHEFUNCTE HARBOR TWNHMS	METAIRE	300	Inactive
TERRA MARIAE	COVINGTON	132	Inactive
TEST SDWIS SYSTEM	BATON ROUGE	7,300	Inactive
TIMBERLAND MOBILE HOME PARK	SLIDELL	60	Active
TOWERING PINES CENTER	SLIDELL	35	Inactive
TOWN OF MANDEVILLE	MANDEVILLE	25	Inactive
TOWN OF PEARL RIVER	PEARL RIVER	3,333	Active
TWIN OAKS MOBILE HME PK	PEARL RIVER	42	Inactive
UTILITIES INC - BEAU VILLAGE	MANDEVILLE	165	Active
UTILITIES INC - GREEN BRIER WATER SUPPLY	MANDEVILLE	2,250	Active
UTILITIES INC - HUNTWYCK VILLAGE	MANDEVILLE	2,088	Active
UTILITIES INC - KINGSPOINT SUBDIVISION	MANDEVILLE	6,351	Active
UTILITIES INC - LAKE VILLAGE SD	MANDEVILLE	2,724	Active
UTILITIES INC - MAGNOLIA FOREST SUBD	MANDEVILLE	1,635	Active
UTILITIES INC - NORTH PARK WATER SUPPLY	MANDEVILLE	11,298	Active
UTILITIES INC - OAKMONT SUBD	MANDEVILLE	612	Active
UTILITIES INC - QUAIL RIDGE SUBDIVISION	MANDEVILLE	1,563	Active
UTILITIES INC - RAVENWOOD SUBDIVISION	COVINGTON	0	Inactive
UTILITIES INC - WOODRIDGE SUBDIVISION	MANDEVILLE	1,590	Active
VICS TRAILER PARK	SLIDELL	50	Inactive
VILLAGE GUTHRIE SUBDIVISION	LORANGER	405	Active
VILLAGE SQUARE	SLIDELL	80	Inactive
VILLAGE WATER COMPANY	SLIDELL	50	Inactive
VILLAGES OF BOCAGE- MADISONVILLE	MADISONVILLE	894	Active
WESTBEND TRAILER PARK	SLIDELL	70	Inactive
WHISPERING PINES TRLR PK	SLIDELL	109	Inactive