Water Districts
400 water districts in Harris County reported $16,064,424,383 of principal outstanding at the end of fiscal year 2025.
| Issuer? | County? | Principal outstanding, FY 2025? | Debt service outstanding? | Issues? |
|---|---|---|---|---|
| North Harris County Regional WA | Harris | $2,193,990,000 | $3,238,885,805 | 13 |
| West Harris County Regional WA | Harris | $1,331,120,000 | $2,031,848,314 | 18 |
| Harris County FCD | Harris | $1,211,870,000 | $1,793,053,082 | 9 |
| Port of Houston Authority | Harris | $1,100,019,397 | $1,834,626,152 | 10 |
| Harris County MUD 165 | Harris | $328,180,000 | $487,105,504 | 12 |
| Harris County MUD 489 | Harris | $229,160,000 | $330,705,045 | 15 |
| Harris County ID 18 | Harris | $213,515,000 | $286,584,206 | 13 |
| Harris County MUD 500 | Harris | $180,180,000 | $258,431,556 | 23 |
| Harris County MUD 171 | Harris | $174,520,000 | $260,907,839 | 14 |
| Northwest Harris County MUD 05 | Harris | $166,355,000 | $224,633,250 | 13 |
| Clear Lake City WA | Harris | $160,650,000 | $218,322,119 | 11 |
| Harris-Montgomery Counties MUD 386 | Harris | $154,185,000 | $201,870,392 | 13 |
| Generation Park Management District | Harris | $144,380,000 | $204,977,765 | 13 |
| Harris-Waller Counties MUD 03 | Harris-Waller | $135,850,000 | $200,079,147 | 16 |
| Harris-Waller Counties MUD 04 | Harris, Waller | $118,475,000 | $205,087,676 | 8 |
| Harris County MUD 495 | Harris | $115,520,000 | $185,620,106 | 12 |
| Southeast Regional Management District | Harris, Montgomery | $113,690,000 | $194,603,972 | 9 |
| Bridgestone MUD | Harris | $111,335,000 | $151,794,963 | 10 |
| Harris County MUD 504 | Harris | $109,400,000 | $178,948,920 | 12 |
| Harris County MUD 419 | Harris | $108,635,000 | $136,775,517 | 22 |
| Harris County MUD 082 | Harris | $102,265,000 | $155,454,727 | 12 |
| Harris County MUD 400 | Harris | $101,905,000 | $155,942,068 | 13 |
| Dowdell PUD | Harris | $98,160,000 | $143,052,432 | 13 |
| Coastal WA | Harris | $94,020,000 | $122,889,950 | 6 |
| Harris County MUD 319 | Harris | $87,665,000 | $133,999,162 | 10 |
| Harris County MUD 433 | Harris | $84,475,000 | $123,053,078 | 14 |
| Harris County MUD 536 | Harris | $83,755,000 | $121,699,622 | 13 |
| Timber Lane UD | Harris | $83,180,000 | $105,927,278 | 16 |
| Harris County MUD 105 | Harris | $80,385,000 | $110,855,494 | 9 |
| Harris County MUD 490 | Harris | $77,495,000 | $132,739,367 | 7 |
| Clear Brook City MUD | Harris | $76,660,000 | $95,853,138 | 10 |
| Harris County MUD 390 | Harris | $71,640,000 | $101,996,565 | 16 |
| Newport MUD | Harris | $71,625,000 | $108,651,485 | 9 |
| Central Harris County Regional WA | Harris | $71,330,000 | $98,138,551 | 8 |
| Northwest Harris County MUD 12 | Harris | $71,120,000 | $108,641,988 | 10 |
| Baybrook MUD 1 | Harris | $68,755,000 | $107,193,717 | 5 |
| Harris County MUD 423 | Harris | $68,590,000 | $106,723,614 | 8 |
| Harris County MUD 558 | Harris | $68,175,000 | $101,931,410 | 10 |
| Harris County WCID 157 | Harris | $67,800,000 | $93,722,476 | 16 |
| Harris County MUD 406 | Harris | $67,505,000 | $94,310,015 | 12 |
| Harris County MUD 165 Defined Area 2 | Harris | $66,485,000 | $110,132,028 | 7 |
| Harris County MUD 449 | Harris | $66,110,000 | $89,333,313 | 8 |
| Harris County MUD 432 | Harris | $63,235,000 | $88,764,072 | 14 |
| Harris-Brazoria County MUD 509 | Harris | $62,765,000 | $89,378,099 | 8 |
| Harris County MUD 001 | Harris | $62,160,000 | $78,636,770 | 11 |
| Harris County WCID 159 | Harris | $61,515,000 | $88,745,479 | 9 |
| Greenwood UD | Harris | $60,845,000 | $92,982,683 | 9 |
| Harris County MUD 368 | Harris | $58,940,000 | $77,176,410 | 10 |
| Harris County MUD 049 | Harris | $58,495,000 | $84,863,094 | 7 |
| Northwest Harris County MUD 19 | Harris | $58,215,000 | $79,509,776 | 7 |
| Harris County MUD 285 | Harris | $57,305,000 | $77,634,532 | 11 |
| Baytown Area WA | Harris | $55,905,000 | $75,142,913 | 5 |
| Harris-Waller Counties MUD 05 | Harris; Waller | $55,690,000 | $93,048,988 | 6 |
| Harris County MUD 167 | Harris | $54,535,000 | $67,697,554 | 9 |
| Harris County MUD 287 | Harris | $54,470,000 | $67,448,053 | 9 |
| Harris County MUD 213A | Harris | $52,970,000 | $86,702,906 | 6 |
| Harris County MUD 321 | Harris | $52,560,000 | $70,571,389 | 10 |
| Harris County MUD 457 | Harris | $52,470,000 | $75,012,767 | 9 |
| Cypress Hill MUD 1 | Harris | $51,685,000 | $66,691,608 | 11 |
| Northampton MUD | Harris | $51,680,000 | $70,056,832 | 14 |
| Parkway UD | Harris | $51,110,000 | $76,637,832 | 5 |
| Northeast Harris County MUD 1 | Harris | $50,720,000 | $86,414,874 | 14 |
| Hunter's Glen MUD | Harris | $50,305,000 | $72,937,773 | 9 |
| Harris County MUD 460 | Harris | $50,155,000 | $73,289,563 | 9 |
| Harris County MUD 278 | Harris | $50,090,000 | $71,590,814 | 7 |
| Northwest Harris County MUD 10 | Harris | $47,175,000 | $64,939,449 | 7 |
| Langham Creek UD | Harris | $47,065,000 | $72,236,122 | 9 |
| Harris County MUD 434 | Harris | $46,680,000 | $67,676,220 | 11 |
| Harris County WCID 158 | Harris | $46,610,000 | $78,075,010 | 3 |
| Harris County MUD 290 | Harris | $45,780,000 | $54,723,463 | 9 |
| Harris County WCID 119 | Harris | $45,645,000 | $67,048,026 | 7 |
| Harris-Fort Bend Counties MUD 3 | Fort Bend-Harris | $44,935,000 | $60,256,050 | 7 |
| Harris County MUD 534 | Harris | $44,385,000 | $76,963,274 | 6 |
| Harris County MUD 502 | Harris | $42,685,000 | $65,636,839 | 6 |
| Harris County WCID 161 | Harris | $42,165,000 | $57,498,397 | 11 |
| Harris County WCID 089 | Harris | $42,000,000 | $56,330,550 | 6 |
| CNP UD | Harris | $41,925,000 | $60,839,157 | 5 |
| Harris County MUD 055 | Harris | $41,310,000 | $53,163,951 | 3 |
| Harris County MUD 391 | Harris | $40,500,000 | $48,852,878 | 11 |
| Harris County MUD 165 Defined Area 1 | Harris | $39,945,000 | $65,646,638 | 4 |
| Encanto Real UD | Harris | $39,055,000 | $54,023,338 | 9 |
| Harris County MUD 530 | Harris | $37,490,000 | $53,580,286 | 8 |
| Harris County ID 1 | Harris | $35,290,000 | $47,179,715 | 4 |
| Cy-Champ PUD | Harris | $34,280,000 | $49,415,045 | 7 |
| Harris County MUD 569 | Harris | $34,130,000 | $61,200,929 | 5 |
| Harris County MUD 401 | Harris | $34,020,000 | $43,938,780 | 10 |
| Rolling Creek UD | Harris | $33,775,000 | $52,146,876 | 7 |
| Harris County MUD 468 | Harris | $33,120,000 | $40,430,246 | 9 |
| Harris County MUD 071 | Harris | $32,745,000 | $39,095,757 | 6 |
| West Harris County MUD 21 | Harris | $32,640,000 | $48,102,084 | 7 |
| Harris County MUD 561 | Harris | $32,315,000 | $49,658,176 | 5 |
| Harris County MUD 383 | Harris | $32,280,000 | $40,419,265 | 11 |
| Harris County MUD 494 | Harris | $32,025,000 | $45,694,094 | 9 |
| Harris County MUD 531 | Harris | $31,875,000 | $42,806,177 | 10 |
| Harris County FWSD 61 | Harris | $31,850,000 | $36,834,350 | 4 |
| Lower Kirby Pearland Management District | Harris | $31,385,000 | $42,020,875 | 11 |
| Harris County MUD 421 | Harris | $30,875,000 | $50,336,563 | 4 |
| Remington MUD 1 | Harris | $30,280,000 | $33,877,800 | 5 |
| Harris County ID 14 | Harris | $30,100,000 | $50,840,888 | 4 |
| Harris County MUD 374 | Harris | $29,320,000 | $36,039,912 | 7 |
EMMA links appear after review.
Source: Local Issuance Fee By Year (updated by the publisher 10/6/2026); Debt Outstanding By Issuance Local By Year (updated by the publisher 9/9/2026). Loaded here 10/9/2026.
Texas fiscal years run September 1 to August 31.
Issuer names are shown as published, without source footnote letters.
Figures are as reported to the agency and have not been independently verified.