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| hyp1 The well known distrubution basin of Vitruvius (8.6.1-2) as depicted by Germain de Montauzan (1908) |
hyp2 The hardware translation of Frontinus 14.3 by Rondelet for the distribution of excess water of Augusta water to the Aqua Marcia and the Aqua Claudia. See the work of Germain de Montauzan (1908) |
| Sitifis collecting basin |  |
Rusicade / Thapsus storage basin |
| alg1 No drawing available |
alg2 A settling basin in the Roman aqueduct of Tigava (present Ksar Soltane) |
alg3 No drawing available |
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| croa1 Water coming from the source (vrelo) to Aeona (present Nin) could partially be diverted to a storage basin (agregat) belonging to a mill complex |
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| fran1,2,3 Basin with one inlet and three outlets with a complex history in five phases, distributing the water from the N of the Alpilles to Arles and partly to the famous grain mills of Barbegal |
fran4 Plan of the two times 8 grain mills of Barbegal, mainly fed by the water of a separate aqueduct from Les Baux / Paradou (Les Alpilles). How was the water distributed amoung the two main corridors? Could one corridor be closed during maintenance or repair? |
fran5 Regulation facility by means of a hole in the floor of the specus to divert water |
fran6 Two set of grooves in a part of the aqueduct of Frčjus near Fondurance. The water went from left to right; at the bottom side the divertion to the river nearby. |
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| fran7,8 The basin just upstream of a 1.100 m long aqueduct bridge over the river Moselle which was crossed in two parallel channels; one extra outlet existed which was equipped with a double set of grooves. |
fran9 Circular distribution basin in Nîmes, with at the inlet one set of grooves, also in the channel floor, possibly for a movable sluice gate, chains and a windlass |
fran10 The Nîmes basin was also equipped with a set of three holes for plugs or standpipes |
fran11 The water of the Nîmes aqueduct was (also) distributed by means of 5 pairs of holes in the side wall, whenever necessary to be blocked by plugs |
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| fran12 At several places in the Nîmes aqueduct regulation basins were present to be able to divert excess water to nearby stream |
fran13,14 Basin in the aqueduct of Reims, 100 m downstream of the source, with two chambers separated by one opening in the common wall |
fran15 Regulation basin, 28 m from the source of the aqueduct of Saint-Bertrand-de-Commignes - to divert excess water to a stream nearby |
fran16,17 (16) Just upstream of three bridges sluice gates were places in side branches as regulation mechanisms in the aqueduct of Saintes. (17) One attested and one conjectured junction basin with settling facilities ("Bassin de reunion") in the aqueduct of Saintes |
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| fran18 About 50 downstream of the original water source of the aqueduct of Fréjus, an ancient bloc of stone was found in the riverbed of the Briancon with a groove referring to a regulation system with a sluice gate. |
fran19 A basin like many 'regards' in the Gier-aqueduct of Lyon but 2 x 7 cm wider than the specus, in use as a facility to block the specus by dam joists, to prevent too much pressure on the conduit upstream during maintenance work: the water flow was diverted over the top of the basin |
fran20 One single set of grooves in the specus. In combination with a second set of grooves in the wall of the specus (conhectured), this facility could regulate the water flow by diverting surplus water to a nearby stream. |
fran21 Sens, captage a Noe. Arrow left under in the wrong direction. |
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| germ1 Just upstream from the settling basin at Grüner Pütz - the start of the aqueduct of Köln/Cologne - Habery maps an overflow facility |
germ23 (2) Settling basin, possibly also a sanctuary, with two small inlets (Grüner Pütz, aqueduct of Köln/Cologne). (3) A stone with guiding groove for protection to block the channel, was found near the settling basin |
germ4 (Mini) square basin, just downstream of the rectangular water collection chamber Klausbrunnen in the aqueduct of Köln / Cologne, with overflow |
germ56 Complex settling and regulation basin just before the aqueduct enters the city of Köln / Cologne (CCAA) |
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| gree1 Under the old church of Agiades, the water of different sources was collected: the start of the Eupalinos aqueduct of Samos |
| Sepphoris storage basin |
| isr1 No drawing available |
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| ital1 Circular shaped distribution basin in Pomepii with additional construction in the floor. Wedges in the horizontal openings (Ohlig) or plugs in the holes (Kessener) of the flow control slabs |
ital2 Gorge of San Cosimato: 'Down-channel' to facilitate the diversion of water from the Claudia aqueduct into the Marcia channel |
ital3,4,5 Start of the Hadrians loop near Madonella. At ρ a splitting with a plug (3) in the old and a sluice gate (4) in the new channel. At τ a 'down-channel' (5) for the diversion of Claudia water into the Marcia aqueduct. |
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Humayma storage basin with regulation |
| jord1,2 Subterranean distribution basin in Gadara (present Umm Qais) with different height levels (1) and small brick walls with holes (2) |
jord3,4 The Nabataean reservoir in Humayma was originally equipped with a passive overflow at 1,35 m above the basin floor. In Roman times this was replaced by a combination of a (conjectured) filtering screen and a large stopcock. The basin was also equipped with an overflow facility |
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| spa1 A sidebranch of the aqueduct of Calahorra was equipped with three set of grooves, problable a combination of two sluice gates and a filter screen |
spa2 The water of the Rio de la Acebeda was partially diverted into the aqueduct channel towards Segovia by means of a moveble sluice gate. |
spa3 The settling basin before the major aqueduct bridge in the city of Segovia; its drain was equipped with a set of grooves |
spa4 The regulation basin just before the aqueduct bridge in the city of Segovia. Both outlets were equipped with filtering devices. Surplus water was diverted to a stream nearby - this outlet was equipped with a set of grooves |
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| spa5 An overflowfacility at the upstream side of the aqueduct bridge in the city of Segovia |
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| syr1 Round table of stone with a stand-up collar with at the edge space for a ring of 12 vertical outgoing pipes, in the middle a somewhat bigger vertical inlet pipe. drawing ©.... |
syr2 The distribution to the town of Banias was through a series of some 20 distribution basins places along the aqueduct channel. The outlet of each basin was a ceramic pipeline leading water to the city. |
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syr4 |
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No drawing available |  |
| tun1 Basin of Tebourba with one inlet and three outlets equipped with control sluices, two with the well known ones, one with a more complex system. |
tun2 Two pipes passed through the wall of the cistern into the circular chamber, from which they left at floor level in an outlet gallery. When the chamber was excavated in 1853 a bronze tap was apparently still in situ on one of the pipes. |
tun3 "… at Sicca Veneria a large 11-chambered cistern was preceded by a small settling chamber, and the exit of water was controlled by pipes leaving at or near floor level, with a stopcock and basin in a tap room, before flowing through an outflow channel". (Wilson 1997) |
tun4 Sluice gates in a chamber between the inlet and the small cistern of Bararus |
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| turk1 The channel of the Side aqueduct was fed by water from the Dumanli spring spilling in across the intervening stream of the Manavgat river |
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