Top NASA water supply and irrigation systems contractors
In the 12 months ending Oct 5, 2026, the National Aeronautics and Space Administration obligated $13.7M in net prime contract dollars under NAICS 221310, up 105.3% from $6.7M in the preceding 12 months. 8 prime contractors received positive obligations, and 2 of them accounted for 80% of that spend.
Prime contracts funded by the National Aeronautics and Space Administration. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top NASA contractors for NAICS 221310
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Clear Lake City Water Authority | $9.2M | $1.0M | 67.1% | ▲ 2 |
| 2 | Northeast Ohio Regional Sewer District | $2.3M | $2.3M | 17.1% | ▼ 1 |
| 3 | Washington Suburban Sanitary Commission | $937K | $954K | 6.8% | ▲ 1 |
| 4 | City of Newport News | $498K | $209K | 3.6% | ▲ 2 |
| 5 | Hampton Roads Sanitation District | $295K | $239K | 2.1% | — |
| 6 | City of Cocoa | $249K | $1.7M | 1.8% | ▼ 4 |
| 7 | County of Erie | $133K | $112K | 1.0% | ▲ 1 |
| 8 | Evoqua Water Technologies LLC | $65K | $138K | 0.5% | ▼ 1 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Clear Lake City Water Authority$1.0M → $9.2M (+$8.2M) · now #1
- City of Newport News$209K → $498K (+$289K) · now #4
- Northeast Ohio Regional Sewer District$2.3M → $2.3M (+$65K) · now #2
Largest declines
- City of Cocoa$1.7M → $249K (−$1.5M) · now #6
- Evoqua Water Technologies LLC$138K → $65K (−$73K) · now #8
- Washington Suburban Sanitary Commission$954K → $937K (−$17K) · now #3
Where the money comes from
Funding sub-agencies within the National Aeronautics and Space Administration, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| National Aeronautics and Space Administration | $13.7M | $6.7M | Up $7.0M (105.3%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 80JSC021CA004 | Clear Lake City Water Authority WATER AND SEWAGE TREATMENT UTILITY CONTRACT | $14.8M | Sep 30, 2027 |
Common questions
Who are the top NASA contractors for NAICS 221310?
In the latest 12 months, Clear Lake City Water Authority ($9.2M), Northeast Ohio Regional Sewer District ($2.3M), Washington Suburban Sanitary Commission ($937K) received the most NASA obligations for water supply and irrigation systems.
How concentrated is this market?
The eight largest primes held 100.0% of positive obligations, and Clear Lake City Water Authority alone held 67.1%. 0 contractors won their first obligations in this market during the latest 12 months.
Are any large NASA NAICS 221310 contracts ending soon?
1 of the largest awards in this market reach their current end date in the next 18 months. The first is 80JSC021CA004 (Clear Lake City Water Authority, $14.8M obligated), ending Sep 30, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$6.9MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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