| TICKER | NAME | ASSIGNED SHARES | PRICE | WEIGHT |
| AMN | Ameron International Inc | 29,107,845 | 72.73 | 3.14 % |
| ARJ | Arch Chemicals | 73,773,515 | 32.39 | 3.55 % |
| ASH | Ashland Inc. | 31,555,696 | 64.43 | 3.02 % |
| BMI | Badger Meter Inc | 86,281,277 | 25.52 | 3.27 % |
| CCC | Calgon Carbon Corp. | 464,037,123 | 5.22 | 3.60 % |
| CLC | CLARCOR Inc. | 63,552,590 | 32.8 | 3.10 % |
| CR | Crane Company | 49,346,163 | 39.39 | 2.89 % |
| CWCO | Consolidated Water Co (Cayman) | 75,728,891 | 25.9 | 2.91 % |
| CWT | California Water Services Group | 52,924,054 | 38.24 | 3.01 % |
| DHR | Danaher Corp. | 29,985,007 | 72.14 | 3.21 % |
| FELE | Franklin Electric Co | 40,461,258 | 52.88 | 3.18 % |
| FLR | Fluor Corp. (New) | 25,670,646 | 83.39 | 3.18 % |
| FLS | Flowserve Corporation | 40,088,194 | 55.22 | 3.29 % |
| IDXX | IDEXX Laboratories | 21,526,208 | 84.4 | 2.70 % |
| IEX | IDEX Corp. | 47,203,210 | 46.55 | 3.26 % |
| INSU | Insituform Technol'A' | 79,744,817 | 23.73 | 2.81 % |
| ITRI | Itron, Inc. | 34,417,484 | 50.36 | 2.57 % |
| ITT | ITT Corporation | 40,666,938 | 53.22 | 3.21 % |
| LAYN | Layne Christensen | 68,027,211 | 29.82 | 3.01 % |
| LNN | Lindsay Mfg | 64,557,779 | 32.99 | 3.16 % |
| MLI | Mueller Industries | 58,021,468 | 34.63 | 2.98 % |
| MWA | Mueller Water Products Inc | 123,456,790 | 13.49 | 2.47 % |
| NLC | Nalco Holdings Inc | 109,890,110 | 19.55 | 3.19 % |
| PLL | Pall Corp. | 64,391,500 | 31.73 | 3.03 % |
| PNR | Pentair Inc. | 70,052,539 | 32.51 | 3.38 % |
| PWEI | PW EAGLE INC COM | 58,771,672 | 36.03 | 3.15 % |
| ROP | Roper Industries | 46,620,047 | 47.91 | 3.32 % |
| SBS | SABESP | 72,020,166 | 30.42 | 3.25 % |
| SZE UN | Suez (ADR) | 45,610,034 | 46.69 | 3.16 % |
| TTEK | Tetra Tech | 120,554,551 | 17.75 | 3.18 % |
| VMI | Valmont Industries | 36,589,828 | 55.5 | 3.02 % |
| WTS | Watts Water Technologies | 61,671,292 | 41.28 | 3.78 % |
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